To turn off mouse acceleration on a Mac, first open the Apple menu in the top-left corner of your screen, then select "System Preferences". In the System Preferences window, click on “Mouse”.
How to turn off mouse acceleration on a MacThere, under the "Point & Click" tab, you will see a slider labeled “Tracking Speed”. Mouse acceleration is linked to this setting; sliding it to the left decreases acceleration.
Unfortunately, macOS doesn’t offer a direct option to completely disable mouse acceleration through the GUI.
For more precise control, use Terminal: type defaults write .GlobalPreferences com.apple.mouse.scaling -1 and hit Enter. Restart your Mac to apply changes.
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Please review the following case study in detail. All of the following questions relate to this case study. Do not extend the scope beyond that specifically described below. Chinese Sugar-cane Growers Association. The Chinese Sugar-cane Growers Association (ASGA) has many thousands of shareholders. There are three sorts of shareholders within the association, which are Growers, Employees and Private. Every shareholder is registered and a record is created on the Information System for them when they first acquire shares. Registration can be done in a number of ways: The shareholder goes to the head office where their details are entered by an office clerk; .The shareholder phones the head office where their details are entered by a phone receptionist, or; . The shareholder enters their details themselves via the web. The following details are entered for all shareholders, regardless of how they register: name, postal address, contact telephone number, mobile telephone number, email address, shareholder category and a unique shareholder number. Grower shareholders require the following details: the name of the local sugar-cane organisation that they are members of, their local cane delivery depot, and the cane varieties that they grow. Employee shareholders have their job title recorded as well as their office number and work telephone number. Private shareholders have the name of their stock broker company recorded. On completion of this registration process, a shareholder's registration certificate is emailed to the shareholder. A monthly newsletter is sent out to all shareholders by the company secretary. Records are kept of each issue of this newsletter. An Issue Id uniquely identifies each newsletter and records the latest prices for cane and the current shipping costs. Each newsletter is personalised for each shareholder with details such as their current total shareholding, as well as the delivery depot which are held on record for each issue and cane- Shareholders may purchase from many different brokers and each broker may sell to any shareholder. Each purchase of a parcel of shares occurs between a broker and a shareholder and has the purchase date, the number of shares, the purchase price per share, commission amount and the total amount recorded. Brokers are identified by their broker registration code. They also have a brokerage company name and postal address. All sales of shares and broker details are recorded by an office clerk at ASGA. Each shareholder is issued with a certificate of purchase each time they purchase shares. Each certificate records a unique certificate number, the certificate issue date, number of shares, purchaser's name and broker's name and is emailed to each shareholder at the time of purchase. Dividend payments are automatically calculated by the system for each shareholder on the anniversary of the purchase date of that particular lot of shares. For each dividend, a unique dividend sequence payment number is recorded as well as the dividend date. The dividend amount to be paid is set at each board meeting by the member of the board and the most recent amount is always used. Review the Chinese Sugar-cane Growers Association case study and answer the following questions with reference to the information in the case study. Do not extend the scope of your answers beyond the information specifically stated in the case study. You are permitted to make reasonable assumptions where necessary but these should be noted. III. Prepare an event table for the Chinese Sugar- cane Growers Association information system. Use at least the following headings for the Event Table: (20 marks.) Event Event Type Trigger Source Activity/Use Case System Response Output Destination 得分 IV. Prepare a Use Case diagram for the Chinese Sugar-cane Growers Association information system.
An event table is used to identify and organize events that occur within a system or organization. The following is an event table for the Chinese Sugar-cane Growers Association information system:EventEvent TypeTriggerSourceActivity/Use Case System ResponseOutputDestinationRegistrationManual registration of a shareholderHead office, phone receptionist, or webName, postal address, contact telephone number, mobile telephone number, email address, shareholder category, unique shareholder number Information System Registration certificateShareholderMonthly NewsletterAutomaticMonthlyBoardMeetingCane and shipping prices, personal details .
Information System Personalized newsletterShareholderPurchaseManualBrokerRegistration code, brokerage company name, postal address Information System Certificate of purchaseShareholderDividend paymentAutomaticAnniversary of share purchase date Information System Dividend paymentShareholderUse Case Diagram for the Chinese Sugar-cane Growers Association information system: The Use Case diagram for the Chinese Sugar-cane Growers Association information system is as follows: The diagram shows the three different types of shareholders in the system: growers, employees, and private shareholders.
Each type of shareholder has different requirements, as outlined in the case study. The system responds to these requirements by providing personalized newsletters, certificates of purchase, and dividend payments.
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Databases and integrity of data is a huge part of business and information systems. Without a database to store your business information, your business cannot stay afloat.
Discuss the following questions:
1) It has been said that you do not need database management software to create a database environment. Discuss.
2) To what extent should end users be involved in the selection of a database management system and database design?
3) What are the consequences of an organization not having an information policy?
1) Database management software: Essential for efficient and secure database management.
2) End user involvement: Important for system alignment and user satisfaction.
3) Consequences of no information policy: Risks include data breaches, inconsistencies, inefficiencies, and non-compliance.
1) While it is technically possible to create a database environment without using database management software, it is highly impractical and inefficient. Database management software provides essential tools and functionalities that ensure the proper organization, management, and security of data. It offers features such as data storage, retrieval, querying, indexing, and transaction management, which are critical for maintaining data integrity and efficiency. Without database management software, businesses would need to develop their own custom solutions, which can be costly, time-consuming, and prone to errors. Therefore, while it is possible in theory, it is not practical or advisable to create a database environment without utilizing dedicated database management software.
2) End users should have some level of involvement in the selection of a database management system and database design. They are the ones who will be using the system on a daily basis and have a better understanding of their specific needs and requirements. Involving end users in the decision-making process helps ensure that the chosen system aligns with their workflow, improves productivity, and meets their data management needs. Additionally, end user input can provide valuable insights into the usability, user interface, and functionality of the system. However, it is important to strike a balance and involve end users within their expertise and knowledge limitations. Database experts and IT professionals should still play a significant role in guiding and evaluating the selection process to ensure technical compatibility and overall system effectiveness.
3) The consequences of an organization not having an information policy can be significant. Without an information policy, organizations may face various challenges and risks. These can include:
- Data breaches and unauthorized access: Without clear guidelines on data security, there is a higher risk of data breaches and unauthorized access to sensitive information, potentially leading to financial loss, reputational damage, and legal implications.
- Inconsistent data management: Lack of an information policy can result in inconsistent practices for data storage, organization, and retrieval. This can lead to data inconsistencies, duplication, and errors, hampering decision-making processes and hindering operational efficiency.
- Lack of data governance: An information policy provides the framework for data governance, including data quality standards, data ownership, and data lifecycle management. Without it, organizations may struggle with maintaining data integrity, reliability, and compliance with regulations.
- Inefficient resource allocation: An information policy helps establish guidelines for data storage, retention, and archiving. Without such policies, organizations may allocate resources inefficiently, leading to unnecessary storage costs, data overload, and difficulties in managing and retrieving relevant information.
- Lack of data privacy and compliance: An information policy ensures compliance with data protection regulations and privacy laws. Without it, organizations may fail to address privacy concerns, risking non-compliance penalties and damaging customer trust.
In summary, an information policy is essential for ensuring data security, consistency, governance, efficiency, and compliance. Its absence can expose organizations to various risks and hinder their ability to effectively manage and utilize data.
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Write a Python program that removes all Empty strings from a given list and prints the modified list. [Your program should work for any given list; make changes to the list below and check whether your program works correctly] Given List:
["hey", "there", "", "what's", "', "up", "", "?"] Sample Output: Original List: ['hey', 'there', ", "what's", ", 'up', ", "?'] Modified List: ['hey', 'there', "what's", 'up', "?']
The Python program that removes all Empty strings from a given list is given and the modified list is ['hey', 'there', "what's", 'up', '?']
def remove_empty_strings(lst):
# Use list comprehension to filter out empty strings
modified_lst = [string for string in lst if string != ""]
return modified_lst
# Given list
given_list = ["hey", "there", "", "what's", "'", "up", "", "?"]
# Print the original list
print("Original List:", given_list)
# Remove empty strings from the list
modified_list = remove_empty_strings(given_list)
# Print the modified list
print("Modified List:", modified_list)
The program defines a function remove_empty_strings() that takes a list as an argument.
It uses list comprehension to create a new list modified_lst by filtering out all the empty strings from the original list.
Finally, it prints the original list and the modified list.
The Original List: ['hey', 'there', '', "what's", "'", 'up', '', '?']
Modified List: ['hey', 'there', "what's", 'up', '?']
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Create a program that finds anagrams within a txt file with multiple sentences . An anagram is two sentences that contain the same letters but in different order. The program should take each SENTENCE in a text file and find its anagram if there's one to find PROGRAM IN C LANGUAGE
This is a relatively complex task, so the program will be split into multiple steps: First, read the text file and store each sentence in a separate array. Then, for each sentence, generate all possible permutations of the letters and store them in a separate array. Next, compare each permutation array with all other permutation arrays to find any matches. If a match is found, print out the two sentences and mark them as anagrams.
Here's the program in C language:
```
#include
#include
#include
#define MAX_SENTENCES 100
#define MAX_LENGTH 100
void read_sentences(char sentences[][MAX_LENGTH], int *num_sentences, FILE *file) {
char line[MAX_LENGTH];
*num_sentences = 0;
while (fgets(line, MAX_LENGTH, file)) {
// remove trailing newline character
line[strcspn(line, "\n")] = 0;
// copy sentence into array
strcpy(sentences[*num_sentences], line);
(*num_sentences)++;
}
}
void generate_permutations(char *sentence, char **permutations, int *num_permutations, int length, int index) {
// base case: all letters have been used, add permutation to array
if (index == length) {
permutations[*num_permutations] = strdup(sentence);
(*num_permutations)++;
return;
}
// recursive case: generate permutations
for (int i = index; i < length; i++) {
// swap letters
char temp = sentence[index];
sentence[index] = sentence[i];
sentence[i] = temp;
// generate permutation for new sentence
generate_permutations(sentence, permutations, num_permutations, length, index + 1);
// swap letters back
temp = sentence[index];
sentence[index] = sentence[i];
sentence[i] = temp;
}
}
int compare_permutations(char **permutations1, int num_permutations1, char **permutations2, int num_permutations2) {
// compare each permutation in permutations1 with each permutation in permutations2
for (int i = 0; i < num_permutations1; i++) {
for (int j = 0; j < num_permutations2; j++) {
if (strcmp(permutations1[i], permutations2[j]) == 0) {
// permutations match, return true
return 1;
}
}
}
// no matches found, return false
return 0;
}
void find_anagrams(char sentences[][MAX_LENGTH], int num_sentences) {
// generate permutations for each sentence
char *permutations[MAX_SENTENCES][MAX_LENGTH * MAX_LENGTH];
int num_permutations[MAX_SENTENCES];
for (int i = 0; i < num_sentences; i++) {
num_permutations[i] = 0;
generate_permutations(sentences[i], permutations[i], &num_permutations[i], strlen(sentences[i]), 0);
}
// compare each sentence with all other sentences to find anagrams
for (int i = 0; i < num_sentences; i++) {
for (int j = i + 1; j < num_sentences; j++) {
if (compare_permutations(permutations[i], num_permutations[i], permutations[j], num_permutations[j])) {
// sentences are anagrams
printf("%s\n%s\n\n", sentences[i], sentences[j]);
}
}
}
}
int main() {
FILE *file = fopen("sentences.txt", "r");
if (file == NULL) {
printf("Error: could not open file.\n");
return 1;
}
char sentences[MAX_SENTENCES][MAX_LENGTH];
int num_sentences;
read_sentences(sentences, &num_sentences, file);
find_anagrams(sentences, num_sentences);
fclose(file);
return 0;
}
The main function first opens the text file and checks for any errors. It then declares an array of sentences and reads in the sentences from the text file using the read sentences function. Finally, it finds any anagrams using the find_ anagrams function and prints them out. The find anagrams function first generates all possible permutations of the letters for each sentence using the generate permutations function. It then compares each sentence with all other sentences using the compare permutations function to find any anagrams. If an anagram is found, the two sentences are printed out. Overall, this program should be able to find anagrams within a text file with multiple sentences using the C language.
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For the given complete binary tree (given in an array), Convert it into a max heap
To convert the given complete binary tree in an array to a max heap, we need to follow the max heapify algorithm. This is the algorithm that helps us convert a binary tree to a max heap.
To convert a binary tree into a max heap, we need to start by comparing the root node to its children. If the root node is greater than both of its children, we are done. However, if the root node is smaller than one of its children, we need to swap the root node with the child that has the greater value. Next, we repeat the same process on the subtree rooted at the child that we swapped the root node with. This process is repeated until we have a complete max heap. The algorithm can be broken down into the following steps: Compare the root node to its children.If the root node is smaller than one of its children, swap it with the child that has the greater value. Repeat the above step on the subtree rooted at the child that we swapped the root node with. Repeat the entire process until we have a complete max heap. Therefore, to convert the given complete binary tree in an array to a max heap, we must use the max heapify algorithm, which is a simple, efficient, and effective algorithm that can be used to convert a binary tree into a max heap.
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Jimmie Flowers, known as Agent 13, is back! However, he has a secret that until now nobody has noticed (although we aren't sure how we missed it!) Jimmie can't stand to have objects that are not properly aligned. If any object is slanted (not aligned), he feels obligated to adjust that object to properly align them. Jimmie needs your help, though! He wants you to take bricks (which we will represent by just one of their edges) and determine if they are aligned or not. The Problem: Given two unique points on a line, create a function that will accept these points and determine if the line is a horizontal or vertical line. How to check if there is vertical or horizontal line Given with two object points: P, (x,y), and P2 (ty). To determine if there are any vertical or horizontal lines, we check if either (x,xorly, y). Note: You need to implement pass by reference in solving this problem to demonstrate the use of pointers. Input Format: The input will begin with a single, positive integer, R, on a single line, representing the number of objects followed by the object unique points separated by line. For each object, there will be four non-negative integers, xl, yl. 22 and y2 (all S 100), on a single line cach separated by a single space where xl, yl) represents one point on the edge and (x2, y2) represents a second and different) point on the same edge. Example Input Output Format For each object, if it is slanted (not horizontal or vertical), output "We need to fix this" or output "It's all good" if it is not. Each output should be on a separate line. Example Output We need to fix this It's all good Example Program Execution: Example 1132 1131 we need to fix this It's all good Example 2 13510 5541 1121 It's all good It's all food He need to fix this Me need to fix this It's all good Note: Use the input from the screen shot above to test your program.
The given problem is a code implementation question. The given problem asks us to create a function that will accept two unique points on a line and determine if the line is a horizontal or vertical line. The given problem provides the format of input, output, and constraints that need to be followed while writing the code.
The function for the given problem can be written in C++ as follows:```#includeusing namespace std;void checkLine(int& x1,int& y1,int& x2,int& y2){ if(x1==x2) cout<<"It's all good\n"; else if(y1==y2) cout<<"It's all good\n"; else cout<<"We need to fix this\n";}int main(){ int n; cin>>n; while(n--){ int x1,y1,x2,y2; cin>>x1>>y1>>x2>>y2; checkLine(x1,y1,x2,y2); } return 0;}```In the above code, we have a function check-in that accepts four integer values x1,y1,x2,y2 which are the unique points on a line. The function uses pass by reference to modify the values of x1,y1,x2,y2 within the function.
The function checks if the line is horizontal by comparing the values of y1 and y2, if they are equal, then the line is horizontal. Similarly, the function checks if the line is vertical by comparing the values of x1 and x2, if they are equal, then the line is vertical.If the line is neither horizontal nor vertical, then the function prints "We need to fix this".In the main function, we take the input in the given format and call the checkLine function with the given points. The output is printed based on the value returned by the checkLine function.
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If you worked for an organization of 100 users and were solely responsible for the security of the user’s data, what would you classify as the most important task to implement to ensure that user data is secured? Be detailed in your answer. Explain what the task is and how you would implement and test it.
As a System Administrator, we have used the command prompt for many tasks throughout the semester. What are 3 main command prompt utilities you believe you would use in this role and when would you use them?
As a security personnel responsible for the data of 100 users in an organization, one of the most important tasks to ensure the data is secured is encryption of the data. Encryption is the process of converting information into a code or cipher that is unreadable by unauthorized users. This makes it extremely difficult for hackers to access or steal sensitive information.
Implementing encryption ensures that in the event of a data breach, the information that has been compromised will not be of any use to hackers.Encryption can be implemented using various methods such as disk encryption, email encryption, and file/folder encryption. In implementing encryption, the following steps can be taken:Data classification: This is the process of identifying the types of data that need to be encrypted. The security personnel should identify the most sensitive data and encrypt it. Implementation of encryption tools: There are various encryption tools that can be used. For instance, BitLocker, VeraCrypt, and AxCrypt are encryption tools that can be used for disk, file/folder, and email encryption respectively.Testing: After implementing encryption, it is important to test the encryption tools to ensure that they are functioning optimally. This can be done through penetration testing, which involves attempting to hack into the system using various methods to ensure that the data is secure.Using command prompt utilities is an important aspect of a System Administrator's role.
Three main command prompt utilities that are essential for a System Administrator include:1. Ping: This utility is used to test connectivity between two devices on a network. It is useful when troubleshooting network connectivity issues.2. Ipconfig: This utility is used to display the IP configuration of a device. It displays information such as the IP address, subnet mask, and default gateway. It is useful when troubleshooting network connectivity issues.3. Netstat: This utility is used to display active network connections, including listening ports and associated protocols. It is useful when troubleshooting network connectivity and security issues.
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Can you use clustering to analyze the heating cost of your house in relation to outside temperature? (Y/N) Explain your choice with some terms and concepts common to Data Science.
Yes, clustering can be used to analyze the heating cost of a house in relation to outside temperature. Clustering is a popular unsupervised learning technique in data science that groups similar data points together based on their characteristics.
In this case, we can apply clustering to identify patterns and relationships between heating costs and outside temperatures. By collecting historical data on heating costs and corresponding outside temperatures, we can create a dataset where each data point represents a specific time period with its associated heating cost and temperature. We can then apply clustering algorithms such as K-means or hierarchical clustering to group similar data points together based on their heating costs and temperature values. This allows us to identify different clusters or segments that exhibit similar heating cost patterns in relation to outside temperature.
Analyzing these clusters can provide valuable insights. For example, we may discover a cluster where heating costs are high during colder months, indicating poor insulation. Alternatively, we may find a cluster where heating costs are consistently low, suggesting energy-efficient insulation. By understanding these patterns, homeowners can make informed decisions to optimize their heating systems and improve energy efficiency. In summary, clustering helps uncover hidden patterns and relationships between heating costs and outside temperatures, allowing for data-driven decision-making to reduce energy consumption and costs.
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What is the final value of x given the following code?
int x = 0
for(int i = 0; i < 20; i++);
{
++x;
}
Answers:
a. - 0
b. - 21
c. - 1
d. - 22
e. - 20
The final value of x would be 0 + 20 = 20.
The semicolon after the for loop header indicates an empty loop body, so the loop will iterate 20 times without actually doing anything.
Therefore, the statements inside the loop body (i.e., ++x) will never be executed.
After the loop is finished, the value of x will still be 0 and will not have been incremented at all.
However, the loop will have executed 20 times, as indicated by the loop condition i < 20.
Thus, The final value of x would be 0 + 20 = 20.
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We want to write a program that accepts a file called pets.txt containing information about the number of pets different people have. pets.txt has the following contents:
Andrew has 5 dogs Julian has 62 pugs Isabella has 6 sheep
Our job is to write a method called numConvert, which will take a Scanner parameter for the input file, a PrintStream parameter for the output file, and a Scanner parameter for the console Scanner.
The method will convert each numerical number into a number written in letters, while preserving the contents of the rest of the file, and output the modified file to a file called output.txt. After running our program, output.txt should contain the following:
Andrew has five dogs
Julian has sixty two
pugs Isabella has six sheep
The way we will do this is by prompting the user to type in each number as a lettered word each time an integer number is found in the tokens of the input file. Using pets.txt, the program should prompt the user with the following:
The user input from console is bold in the example above.
import java.util.*;
import java.io.*;
public class Pets {
public static void main(String[] args) throws FileNotFoundException {
Scanner console = new Scanner(System.in);
String inputFile = "pets.txt";
File file = new File(inputFile);
Scanner scanLine = new Scanner(file);
PrintStream output = new PrintStream(new File("output.txt"));
numConvert(scanLine, output, console);
}
We are required to write a method called numConvert, which will take a Scanner parameter for the input file, a PrintStream parameter for the output file, and a Scanner parameter for the console Scanner. The method will convert each numerical number into a number written in letters, while preserving the contents of the rest of the file, and output the modified file to a file called output.txt.To achieve this, we will have to read each line of pets.txt, one at a time, and tokenize each line using space as a delimiter.
This will give us an array of strings, each of which contains a tokenized part of the line.Then, we will loop through this array of strings and check if any of them contain numerical digits. If so, we will prompt the user to enter the corresponding lettered word for that number. Once we have the lettered word, we will replace the numerical digits in the array with the corresponding word.After the loop is finished, we will join the array back into a single string, separated by spaces, and output it to the output file using the PrintStream object given as a parameter to the method. Here is the implementation of the numConvert method:public static void numConvert(Scanner scanLine, PrintStream output, Scanner console) {while (scanLine.hasNextLine()) {String line = scanLine.nextLine();String[] tokens = line.split(" ");for (int i = 0; i < tokens.length; i++) {if (tokens[i].matches("\\d+")) {System.out.print("Enter word for " + tokens[i] + ": ");String word = console.nextLine();tokens[i] = word;}String modifiedLine = String.join(" ", tokens);output.println(modifiedLine);}We can call this method from the main method as follows:public static void main(String[] args) throws FileNotFoundException {Scanner console = new Scanner(System.in);String inputFile = "pets.txt";File file = new File(inputFile);Scanner scanLine = new Scanner(file);PrintStream output = new PrintStream(new File("output.txt"));numConvert(scanLine, output, console);}The numConvert method reads the pets.txt file using the Scanner object scanLine, and writes the modified output to the file "output.txt" using the PrintStream object output.
It prompts the user for input using the Scanner object console. The main method creates the Scanner, PrintStream, and Scanner objects, and calls the numConvert method with these objects as parameters. The output file "output.txt" will contain the modified contents of the input file, with all numerical digits converted to their lettered form.
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7 days to die how to upgrade frame shapes
To upgrade frame shapes, you can consider the following steps.
The steps to be taken1. Research and explore current design trends and popular frame shapes.
2. Consult with a professional optician or eyewear specialist to understand the options available.
3. Try on different frame shapes to see which ones suit your face shape and personal style.
4. Consider materials, colors, and finishes that can enhance the overall aesthetic of the frames.
5. Seek recommendations from friends, family, or fashion experts for their input and suggestions.
6. Make a final decision and purchase the upgraded frame shapes that best fit your preferences and needs.
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A pharmacy has two types of customers: those who are there to pick up a repeat prescription (this takes on average 1 minute), and those who are there to pick up a first-time prescription (this takes on average 6 minutes as it requires some explanation). On average 20 customers arrive per hour who want a repeat prescription, and also 20 who want a first-time prescription. How many employees should this pharmacy hire at the bare minimum? 4 2 1 3
To determine the minimum number of employees the pharmacy should hire, we need to calculate the maximum number of customers the employees can serve within an hour.
Since each customer takes either 1 minute (repeat prescription) or 6 minutes (first-time prescription), we can calculate the total time required to serve all customers for each type.
For repeat prescriptions:
Number of customers = 20
Time per customer = 1 minute
Total time for repeat prescriptions = 20 customers * 1 minute = 20 minutes
For first-time prescriptions:
Number of customers = 20
Time per customer = 6 minutes
Total time for first-time prescriptions = 20 customers * 6 minutes = 120 minutes
Total time required to serve all customers = Total time for repeat prescriptions + Total time for first-time prescriptions
= 20 minutes + 120 minutes = 140 minutes
Since there are 60 minutes in an hour, the minimum number of employees required is the total time required to serve all customers divided by the number of minutes each employee can work in an hour:
Minimum number of employees = Total time required / Number of minutes per employee
= 140 minutes / 60 minutes = 2.33
Since we cannot have a fraction of an employee, we round up to the nearest whole number. Therefore, the minimum number of employees the pharmacy should hire is 3.
So the correct answer is 3.
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Enter Numbers:
onclick="Avg();">
onclick="minimum();">
onclick="maximum();">
The given question mentions the terms "onclick", "Avg()", "minimum()", and "maximum()". These terms are related to Java Script programming.
The "onclick" is an event handler that executes Java Script when a user clicks on an HTML element. "Avg()", "minimum()", and "maximum()" are functions that can be written in JavaScript programming to perform certain calculations or operations.The "onclick" attribute is used in HTML to define an event to execute JavaScript code. It is typically used to perform an action when the user clicks on an element. Here is an example code for this: Click meWhere "myFunction()" is a JavaScript function that will execute when the button is clicked.
The "Avg()", "minimum()", and "maximum()" functions are used to calculate average, minimum, and maximum values from a set of numbers. Here is an example of how to use these functions: function is used to calculate the average of the given numbers, "minimum()" function is used to find the smallest number from the given numbers, and "maximum()" function is used to find the largest number from the given numbers.
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How does the payload free worm method differ from the payload method?
A worm is a type of computer virus that is self-replicating and can spread throughout a network or the internet. It is a self-contained program that can replicate and spread without the need for a host file. Payload is a program or code that is hidden within the worm and executed on an infected computer.
These payloads can cause damage to the infected system, steal data, or launch additional attacks on other systems or networks. The payload-free worm is a worm that replicates and spreads like a traditional worm but does not contain any payload or malicious code.
It does not cause any damage to the infected system or network. This type of worm is often used for research purposes to study the spread of worms without causing harm to any system. The payload method is a worm that has a hidden code that is designed to cause damage to the infected system or network.
The payload can be programmed to perform various functions, including deleting files, stealing data, launching attacks on other systems, or installing additional malware. This type of worm is often used by cybercriminals to launch attacks on specific targets or to spread malware for financial gain.
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Clock skew could cause failures in the combinational logic circuits. CLB can be configured as RAM. SRAM requires refresh PLDs consist of programmable combinational logic elements Maximum delay of the combinational circuit the connects the output of one register to the input of the other determines the operating clock frequency Adding more registers to the instruction set should not increase the instruction width Flip-Flops are typically not used in the implementation of memory systems because they are not fast enough A good design practice is to use non-blocking assignments when you are modeling both sequential and combinational logic The propagation time in a Flip-Flop needs to be larger than the hold time.
Here are the answers to your given terms: Clock skew could cause failures in the combinational logic circuits: Clock skew is a phenomenon in synchronous digital circuits where the clock signal that reaches different components of the circuit arrives at different times. CLK skew could cause failures in combinational logic circuits.
A clock skew failure happens when two signals should occur simultaneously, but one signal comes after the other. CLB can be configured as RAM: RAM and ROM blocks are configurable logic blocks (CLBs) used in FPGA design. You can configure a CLB to operate as a memory element and store data. SRAM requires refresh: SRAM stands for Static Random-Access Memory. SRAM chips are faster and more expensive than DRAM chips. SRAM doesn't need to be refreshed like DRAM.PLDS consist of programmable combinational logic elements: A programmable logic device (PLD) is a type of digital circuit that can be programmed to carry out various logic operations.
It consists of programmable logic elements, such as a programmable array logic (PAL), a programmable logic array (PLA), and a field-programmable gate array (FPGA).Maximum delay of the combinational circuit that connects the output of one register to the input of the other determines the operating clock frequency: The maximum delay of the combinational circuit connecting one register's output to another register's input is determined by the operating clock frequency.Adding more registers to the instruction set should not increase the instruction width: By adding registers to the instruction set, you do not increase the instruction width.Flip-flops are typically not used in the implementation of memory systems because they are not fast enough: Flip-flops are not used in the implementation of memory systems because they are not fast enough to implement memory elements, and they have high power dissipation.A good design practice is to use non-blocking assignments when you are modeling both sequential and combinational logic: Non-blocking assignments are a good design practice when modeling both sequential and combinational logic.The propagation time in a Flip-Flop needs to be larger than the hold time: The propagation delay of the input signal through the Flip-flop is the amount of time it takes for the signal to pass through the Flip-flop, whereas the hold time is the amount of time the input signal must be stable after the clock edge. To ensure reliable operation, the Flip-flop's propagation time must be greater than the hold time.
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You need to migrate a bunch of documents from an external resource. You're given a list of document identifiers documentIds, which can be used to access and process the external documents. Processing a single document takes time (it needs to be downloaded and processed), and all of these actions are done using the SingleDocumentProcessor interface (so we don't need to worry about how the documents are processed).
Your task is to process the given document ids and return the corresponding list of processed documents.
Try to take into account the following factors:
make your solution applicable for multithreaded environments;
think of an approach which is applicable for a distributed environment, where your code is executed in a cluster of several machines;
make your solution as efficient as possible.
[execution time limit] 50 seconds
To migrate a bunch of documents from an external resource using a list of document identifiers, document Ids, which can be used to access and process the external documents.
Implement the call() method of the Callable interface. The call() method will call the process() function defined in the Document Processor interface and process the document with the corresponding id. This step can be done in parallel for all document Ids using a thread pool. Create a new Array List of Futures and submit each Callable task to the thread pool. Wait for all the tasks to complete and retrieve their results.
Convert the list of Futures to a list of processed documents by using the get() method on each Future. This will block until the corresponding Callable task has completed and returned the processed document. Callable and parameterize the document processor with Document Processor, where T represents the return type of the processed document. The reason for using the Callable interface is to make it possible to return the result from the processing function.
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a star code on qt for the boss to follow player through shortest path
an a* algorithm graph gor the boss to follow enemy in shortest path
A* algorithm is a popular algorithm that helps in solving pathfinding problems. A* (pronounced as "A-star") can be used to find the shortest path between two points. The algorithm creates a tree of paths calculated from the start node to the destination node.
A* evaluates each possible node based on its cost to get to the end node plus the cost to reach that node.The A* algorithm can be used to create a graph that helps the boss to follow the player through the shortest path. It's ideal to use a combination of A* and a graph to create an efficient algorithm that the boss can follow. The following steps explain how you can use the A* algorithm and a graph to create a pathfinding system for the boss to follows:
1. Create a Graph:Create a graph with nodes that represent areas that the boss can move on. The edges represent the connection between nodes. The boss can only move on edges and nodes that are connected. Each edge has a weight, which represents the distance between two nodes.
2. Implement the A* Algorithm:Use the A* algorithm to calculate the shortest path from the boss's current location to the player's location. The A* algorithm takes in the graph and two nodes, the start, and end node, as input. It then returns the shortest path between the two nodes.
3. Update the Boss's Location:Use the calculated path from the A* algorithm to update the boss's location. The boss should move from one node to the next along the path.
4. Repeat Steps 2 and 3:Repeat steps 2 and 3 every time the player moves to update the boss's location. This will ensure that the boss always follows the player through the shortest path.
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Write a C+ program to declare an array of integers of size 10. Then ask the user to enter 10 degrees to the array. Then, print the degrees which are greater than or equal to 60.
A C+ program to declare an array of integers of size 10 is in the explanation part below.
The following C++ program asks the user to enter 10 degrees, declares an array of integers, and outputs the degrees that are more than or equal to 60:
#include <iostream>
int main() {
const int SIZE = 10;
int degrees[SIZE];
// Prompt the user to enter degrees
std::cout << "Enter 10 degrees:\n";
for (int i = 0; i < SIZE; i++) {
std::cout << "Degree " << (i + 1) << ": ";
std::cin >> degrees[i];
}
// Print degrees >= 60
std::cout << "\nDegrees >= 60:\n";
for (int i = 0; i < SIZE; i++) {
if (degrees[i] >= 60) {
std::cout << degrees[i] << " ";
}
}
return 0;
}
Thus, in this program, an array degrees of size 10 is declared to store the degrees entered by the user.
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Level 1: Basic sorts
Implement the selectionSort and insertionSort functions. Note that you can base your code on the sample code
used in lectures, although you will need to modify it from passing the data using an array and two indexes to passing it
using two pointers. The program will check that the final list is sorted correctly.
Given Code skeleton
#include
#include
#include
#include
using namespace std;
static long comparisons = 0;
static long swaps = 0;
void swap(int* a, int* b)
{
// add code here
}
void selectionSort(int* first, int* last)
{
// add code here
}
void insertionSort(int* first, int* last)
{
// add code here
}
void quickSort(int* first, int* last)
{
// add code here
}
int main(int argc, char** argv)
{
string algorithm = "selection";
string dataset = "random";
for (int c; (c = getopt(argc, argv, "ravqsin")) != -1;) {
switch (c) {
case 'r':
dataset = "random";
break;
case 'a':
dataset = "sorted";
break;
case 'v':
dataset = "reverse";
break;
case 'q':
algorithm = "quicksort";
break;
case 's':
algorithm = "selection";
break;
case 'i':
algorithm = "insertion";
break;
case 'n':
algorithm = "none";
break;
}
}
argc -= optind;
argv += optind;
const int size = argc > 0 ? atoi(argv[0]) : 10000;
int* data = new int[size];
if (dataset == "sorted") {
for (int i = 0; i < size; ++i) {
data[i] = i;
}
}
else if (dataset == "reverse") {
for (int i = 0; i < size; ++i) {
data[i] = size - i - 1;
}
}
else if (dataset == "random") {
for (int i = 0; i < size; ++i) {
data[i] = rand() % size;
}
}
if (algorithm == "quicksort") {
quickSort(data, data + size);
}
else if (algorithm == "selection") {
selectionSort(data, data + size);
}
else if (algorithm == "insertion") {
insertionSort(data, data + size);
}
for (int i = 1; i < size; i++) {
if (data[i] < data[i - 1]) {
cout << "Oops!" << '\n';
exit(1);
}
}
cout << "OK" << '\n';
cout << "Algorithm: " << algorithm << '\n';
cout << "Data set: " << dataset << '\n';
cout << "Size: " << size << '\n';
// Uncomment for level 3 and 4
// cout << "Comparisons: " << comparisons << '\n';
// cout << "Swaps: " << swaps << '\n';
delete[] data;
return 0;
}
A list of numbers is created and manipulated with the SortTester class to test the bubble sort algorithm.
The task is to compose an 'all rabbits' rendition of the air pocket sort where the primary pass will go from least to most elevated and the following pass will go from most elevated to most minimal.
To carry out either a highest-to-lowest or lowest-to-highest single pass of a bubble sort (depending on whether the pass is odd or even), the function singleBubblePass() must be filled in.
Using the supplied SortTester class, the accuracy of the first five passes, the accuracy of a fully sorted list at the end, and a bonus for fewer comparisons will be evaluated.
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1.Create a scilab program that would allow the user to input a number and the output would generate
even numbers from 0 up to the input. Example: Input = 11. Output: 0 2 4 6 8 10
2.. Create a scilab program that would compute the final grade and has the following inputs: a) 4 quiz b) final exam c) non board or board course. The output should get the final grade. Final grade is computed as follows 70% quiz, 30% final exam. The program will also determine if the students is under a non board or board program, if the student under a board course then the final grade would be base 0 otherwise the final grade would be base 40.
1. The scilab program that would allow the user to input a number and the output would generate even numbers from 0 up to the input:
In this case, we would make use of the modulo operation to determine if a number is even or odd. If a number is divisible by 2, the modulo operation would return 0, and that number is even. The Scilab code that would allow the user to input a number and output even numbers from 0 up to the input is shown below:
clear all;
clc;
a=input("Enter number:");
for i=0:1:a
if mod(i,2)==0
disp(i)
endif
endfor
The "clear all" command clears all previously defined variables and functions from Scilab's memory. The "clc" command clears Scilab's console. The input function is used to accept user input from the command window.
The for loop would execute as long as the value of the variable i is between 0 and a. The modulo operation is used to determine if a number is even or odd. If i modulo 2 is equal to 0, the number is even and would be displayed on the console.
2. The scilab program that would compute the final grade and has the following inputs: a) 4 quizzes b) final exam c) non-board or board course:
In this case, we would use a combination of Scilab's conditional statements and arithmetic operators to compute the final grade. The final grade is computed as follows: 70% quiz, 30% final exam.
The program would also determine if the student is under a non-board or board program. If the student is under a board course, then the final grade would be based on 0. Otherwise, the final grade would be based on 40. The Scilab code that would compute the final grade is shown below:
clear all;
clc;
quizzes = input("Enter score for the four quizzes [q1 q2 q3 q4]: ");
final_exam = input("Enter final exam score: ");
board_or_non_board = input("Enter 'board' or 'non-board': ", 's');
quiz_score = sum(quizzes);
quiz_percentage = quiz_score * 0.7;
final_percentage = final_exam * 0.3;
total_score = quiz_percentage + final_percentage;
if board_or_non_board == "board" then
final_grade = total_score
else
final_grade = total_score + 40
endif
disp(final_grade)
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1. Is the Colossal 8-feet-tall Olmec Head (1500-300 BCE) an example of Representational Art, Abstract Art, or Non-Representational Art? Explain your reasoning. 2. Describe the FORM/MASS of the Olmec Head. Address the size, density, material(s) used, and how it may have interacted with it's original location. 3. Is the sculpture an example of Closed Form or Open Form? Explain your answer. 4. Which theme(s) best describe the content of the Olmec Heads? Explain why you chose the theme(s). #4 1. Is Jan van Eyck's 1434 oil painting, The Arnolfi Portrait, an example of Representational Art, Abstract Art, or Non-Representational Art? Explain your reasoning. 2. Discuss the use of TEXTURE in van Eyck's painting. Does the work have actual/tactile texture, visual/simulated texture, or a combination of both? Explain your answer. 3. Which theme(s) best describe the content of van Eyck's The Arnolfi Portrait? Explain why you chose the theme(s). #5 1. Is John Gast's 1872 painting, American Progress, an example of Representational Art, Abstracted Art, or Non-Representational Art? Explain your reasoning. 2. Describe the use of LIGHT & VALUE in Gast's painting. Is it generally light or dark? Does it have a broad or narrow value range? Is the light hard or soft? Is one side of the composition brighter than the other? 3. Discuss the ideological meanings assigned to light /vs/ dark. 4. Which theme(s) do you identify in Gast's American Progress? Explain why you chose the theme(s).
#1 1. The Colossal 8-feet-tall Olmec Head (1500-300 BCE) is an example of Representational Art. It depicts a human face and is a realistic and recognizable representation of a person from the Olmec civilization.2. The FORM/MASS of the Olmec Head is quite large, measuring 8 feet in height and weighing about 20 tons. It is made of basalt, a volcanic rock known for its density and durability.
The sculpture may have been created in one location and then transported to its original location, where it would have interacted with its environment as a powerful symbol of Olmec authority.3. The sculpture is an example of Closed Form because it is a self-contained, complete work of art that does not invite the viewer to interact with or move through it.4. The theme of Olmec Heads is about power and authority. The Olmec civilization was one of the earliest and most influential cultures in Mesoamerica, and their colossal heads are a symbol of their political and religious dominance.#4 1. Jan van Eyck's 1434 oil painting, The Arnolfi Portrait, is an example of Representational Art.
It is a realistic and detailed representation of Giovanni di Nicolao Arnolfini and his wife.2. The use of TEXTURE in van Eyck's painting is a combination of actual/tactile texture and visual/simulated texture. The painting has a highly detailed and realistic surface that invites the viewer to touch and feel its textures.3. The theme of the painting is marriage and fidelity. The Arnolfini Portrait depicts the moment of a legal marriage contract, and the painting's symbolic details suggest that the couple is committed to each other for life.#5 1. John Gast's 1872 painting, American Progress, is an example of Representational Art. It depicts a realistic and detailed scene of westward expansion in America.2. The use of LIGHT & VALUE in Gast's painting is generally light and has a broad value range. The painting has a bright and optimistic tone, with a sense of movement and progress. The light is soft and diffuse, suggesting the possibility of a better future for America.3. In the painting, light symbolizes progress, while darkness represents ignorance and stagnation.
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you are designing an application that requires table storage. you are evaluating whether to use azure table storage or azure cosmos db for table. which requirement requires the use of azure cosmos db for table instead of azure table storage?
Azure Cosmos DB for table would be required instead of Azure Table Storage when the application has the need for more advanced querying capabilities and flexible schema design.
Azure Cosmos DB provides rich querying capabilities through its SQL-like query language (SQL API) and supports indexing of various data types, including nested objects and arrays.
If the application requires complex querying patterns such as filtering, sorting, and joining across multiple properties or entities, Azure Cosmos DB would be a better choice. It allows for efficient querying and indexing of large datasets and offers the flexibility to adapt to evolving data models.
Additionally, if the application requires the ability to scale horizontally and handle high throughput with low latency, Azure Cosmos DB's globally distributed and highly available architecture is well-suited for such scenarios. It provides automatic scaling and guarantees low latency access to data across different geographical regions.
In summary, if the application demands advanced querying capabilities, flexible schema design, and high scalability with global distribution, Azure Cosmos DB for table storage would be the preferred choice over Azure Table Storage.
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April has joined a team with members from the sales, customer service, and
shipping and receiving departments. Which term best describes the team
April joined?
O A. Problem-solving team
O B. Self-managing team
O
OD. Work team
C. Cross-functional team
SUBMIT can you give me the answer
Answer:
Explanation:
c.
because its multiple multiple departments
Using the tar command, tar the directory called mid ----term located in my home directory. Create a tar file called midterm.tar. What is the size of the file called in bytes cd to my home directory. Name one of the files that are contained within the tar file called accounts.tar. cd to my home directory. How many files are archived within the tar file called accounts.tar?
Using the `tar` command, tar the directory called mid-term located in my home directory and create a tar file called midterm.tar. To tar the directory called mid-term, the command would be `tar -cvf midterm.tar mid-term`. The size of the file called midterm.
Tar can be found by running the command `ls -l midterm.tar`. The output of this command will show the file size in bytes.To navigate to the home directory, run the command `cd ~`.To name one of the files that are contained within the tar file called accounts.tar, you can run the command `tar -tvf accounts.tar`.
This will display a list of all the files contained within the tar file. You can then choose any file from the list as an answer.To find out how many files are archived within the tar file called accounts.tar, run the command `tar -tvf accounts.tar | wc -l`. This command will count the number of lines displayed by the `tar` command, which corresponds to the number of files contained within the tar file.
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37)
Show all constraints from table student?
38)
Use Like command:
Show all students id, first name and last name but their student id third character starts with number 3 using student table?
39)
Show city and country but display only USA and Canada countries using table countries?
40)
Show city and country but do not display only USA and Canada countries using table countries?
all sql
is to show all the constraints from table student. Here is the SQL command to do that: ```SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME = 'student'```38) The explanation of this question is to show all students id, first name, and last name but their student id third character starts with number 3 using the student table.
Here is the SQL command to do that: ```SELECT student_id, first_name, last_name FROM student WHERE student_id LIKE '__3%'```39) The explanation of this question is to show city and country but display only USA and Canada countries using the table countries. Here is the SQL command to do that: ```SELECT city, country FROM countries WHERE country IN ('USA', 'Canada')```40)
The explanation of this question is to show city and country but do not display only USA and Canada countries using the table countries. Here is the SQL command to do that: ```SELECT city, country FROM countries WHERE country NOT IN ('USA', 'Canada')```
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What is the comparative relationship between Ethical Egoism and Kant’s Categorical Imperative (Second Formulation)? (2.5 marks)
c) How does a compromised peer-review process for academic publications impact the public trust in publication platforms? List and explain at least three trust issues because of the unethical peer-review process. (2.5 marks)
d) Which stakeholder holds the most responsibility in bridging the gap of the digital divide? What are some measuring this stakeholder can take to bridge this gap? (2.5 marks)
a) Comparative relationship between Ethical Egoism and Kant’s Categorical Imperative (Second Formulation):Ethical Egoism is the belief that individuals ought to do whatever it is that satisfies their self-interest. Ethical egoism is often used interchangeably with individualism. Kant's categorical imperative, on the other hand, is the belief that every moral action should be done from a sense of duty, regardless of its consequences.
The second formulation of Kant's Categorical Imperative states that individuals should always treat other people as an end in themselves, rather than as a means to an end. So, the second formulation of Kant's Categorical Imperative is opposed to Ethical Egoism because it advocates for actions that benefit others, even if it may be disadvantageous to the individual.b) How a compromised peer-review process for academic publications impacts the public trust in publication platforms?Trust Issues of Unethical Peer Review Process:Loss of public trust: This is the most significant impact of a compromised peer-review process. If academics are found to be engaging in unethical behavior, it undermines the public's confidence in the entire scientific community, including the publications that publish the research.Lack of Quality Control:
The review process is an essential quality control mechanism in scholarly publishing. It ensures that the research published in scientific journals is of high quality. If reviewers are not completing their task properly, or if editors are not adequately overseeing the process, then the quality of the research published in the journal is compromised and loses its significance. Biasness: Unethical peer review can result in biasness.
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What are the differences
between early and late binding in java?
In Java, there are two types of binding; early and late binding. Both have different functions. Let's dive into each to understand the differences better. Early binding in Java Early binding, also known as compile-time binding or static binding, is a technique in which the compiler detects the method call's name and type at compile-time.
It occurs when a method is called based on the type of the object and not its runtime value. Early binding, in a nutshell, allows for better performance because it saves time in finding the relevant methods. Late binding in Java Late binding, also known as dynamic binding or runtime binding, is a technique in which the compiler detects the method call's name and type at runtime. Unlike early binding, late binding does not rely on the type of the object. Instead, it analyzes the object type during runtime.
Late binding is often utilized in object-oriented programming because it allows for the creation of new objects without needing to modify the original code. ExplanationMain answerThe main difference between early and late binding is that early binding is faster than late binding since it detects the methods during compilation, while late binding does it at runtime. Another difference is that early binding's method is selected based on the object's type, while late binding selects a method based on the actual type of the object.
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Express the following numbers in decimal: (a) * (10110. 0101) 2 (b) * (16. 5) 16 (c) * (26. 24) 8 (d) (dada. B) 16 (e) (1010. 1101) 2
Answer:
(a) To convert from binary to decimal, we can use the formula:
decimal = a_0 * 2^0 + a_1 * 2^1 + a_2 * 2^2 + ... + a_n * 2^n
where a_i is the i-th digit of the binary number.
Using this formula, we can convert (10110.0101)2 to decimal as follows:
(10110.0101)2 = 1 * 2^4 + 0 * 2^3 + 1 * 2^2 + 1 * 2^1 + 0 * 2^0 + 0 * 2^-1 + 1 * 2^-2 + 0 * 2^-3 + 1 * 2^-4
= 22.3125
Therefore, (10110.0101)2 = 22.3125 in decimal.
(b) To convert from hexadecimal to decimal, we can use the formula:
decimal = a_0 * 16^0 + a_1 * 16^1 + a_2 * 16^2 + ... + a_n * 16^n
where a_i is the i-th digit of the hexadecimal number.
Using this formula, we can convert (16.5)16 to decimal as follows:
(16.5)16 = 1 * 16^1 + 6 * 16^0 + 5 * 16^-1
= 22.5
Therefore, (16.5)16 = 22.5 in decimal.
(c) To convert from octal to decimal, we can use the formula:
decimal = a_0 * 8^0 + a_1 * 8^1 + a_2 * 8^2 + ... + a_n * 8^n
where a_i is the i-th digit of the octal number.
Using this formula, we can convert (26.24)8 to decimal as follows:
(26.24)8 = 2 * 8^1 + 6 * 8^0 + 2 * 8^-1 + 4 * 8^-2
= 22.375
Therefore, (26.24)8 = 22.375 in decimal.
(d) To convert from hexadecimal to decimal, we can use the formula:
decimal = a_0 * 16^0 + a_1 * 16
^1 + a_2 * 16^2 + ... + a_n * 16^n
where a_i is the i-th digit of the hexadecimal number.
Using this formula, we can convert (dada.B)16 to decimal as follows:
(dada.B)16 = 13 * 16^3 + 10 * 16^2 + 13 * 16^1 + 10 * 16^0 + 11 * 16^-1
= 56090.6875
Therefore, (dada.B)16 = 56090.6875 in decimal.
(e) To convert from binary to decimal, we can use the formula:
decimal = a_0 * 2^0 + a_1 * 2^1 + a_2 * 2^2 + ... + a_n * 2^n
where a_i is the i-th digit of the binary number.
Using this formula, we can convert (1010.1101)2 to decimal as follows:
(1010.1101)2 = 1 * 2^3 + 0 * 2^2 + 1 * 2^1 + 0 * 2^0 + 1 * 2^-1 + 1 * 2^-3
= 10.8125
Therefore, (1010.1101)2 = 10.8125 in decimal.
dfbf traverses a graph breadth first and computes distances from root to reachable nodes; it then traverses the graph depth firsthand determines whether the graph from root is cyclic.
'''
Breadth First and Depth First Search
The objective is to write a Python program that traverses graphs in BFS
and DFS manner. BFS will determine the shortest path distance (number of
edges) from the root for each node reachable from the root. DFS will find
cycles in the graph of nodes reachable from the root. Study the lecture on
graphs, in particular graph traversals.
Some helper code is provided. Don't change it. Don't change your main,
it is used to check your code's correctness.
It is your job to implement dfs and bfs. In both dfs and bfs, visit
children of a node in left to right order, i.e., if adj is the
adjacency list of a node, visit the children as follows: for nxt in adj
Given an input file in:
a b
b c
c a d
d c
and root a
python dfbf.py in a produces:
dfbf.py
BFS
Input graph: nodeName (color, [adj list]) dictionary
a ('white', ['b'])
b ('white', ['c'])
c ('white', ['a', 'd'])
d ('white', ['c'])
Root node: a
BFS queue: (node name, distance) pairs
[('a', 0), ('b', 1), ('c', 2), ('d', 3)]
END BFS
DFS
Input graph: nodeName (color, [adj list]) dictionary
a ('white', ['b'])
b ('white', ['c'])
c ('white', ['a', 'd'])
d ('white', ['c'])
Root node a
graph with root a is cyclic
END DFS
'''
import sys
cyclic = False #keeping track in dfs whether a cycle was found
def read(fnm):
"""
read file fnm into dictionary
each line has a nodeName followed by its adjacent nodeNames
"""
f = open(fnm)
gr = {} #graph represented by dictionary
for line in f:
l =line.strip().split(" ")
# ignore empty lines
if l==['']:continue
# dictionary: key: nodeName value: (color, adjList of names)
gr[l[0]]= ('white',l[1:])
return gr
def dump(gr):
print("Input graph: nodeName (color, [adj list]) dictionary ")
for e in gr:
print(e, gr[e])
def white(gr) :
"""
paint all gr nodes white
"""
for e in gr :
gr[e] = ('white',gr[e][1])
'''
return bfs queue with (node, distance) pairs
'''
def bfs(gr,q):
"""
breadth first search gr from r
"""
'''
return boolean: True gr bfrom r is cyclic, False otherwise
'''
def dfs(gr,r):
"""
depth first search gr from r for cycles
"""
if __name__ == "__main__":
print(sys.argv[0])
gr = read(sys.argv[1]) # file name
root = sys.argv[2] # root node
db = len(sys.argv)>3 # debug?
print("BFS")
dump(gr)
print("Root node:", root)
gr[root] = ('black',gr[root][1])
q = bfs(gr,[(root,0)])
print("BFS queue: (node name, distance) pairs")
print(q)
print("END BFS")
print()
print("DFS")
white(gr)
dump(gr)
print("Root node", root)
dfsInit(gr,root)
if cyclic:
print("graph with root",root,"is cyclic")
else:
print("graph with root",root,"is not cyclic")
print("END DFS")
The program dfbf traverses a graph breadth-first and computes distances from the root to reachable nodes; it then traverses the graph depth-first and determines whether the graph from root is cyclic.
What is BFS? Breadth-first search (BFS) is a graph traversal algorithm that visits all vertices of a graph in breadth-first order, i.e., it visits vertices at the same level first before moving on to vertices at the next level. What is DFS? Depth-first search (DFS) is a graph traversal algorithm that visits all vertices of a graph in depth-first order, i.e., it visits vertices at the maximum depth first before backtracking.
It is usually implemented using a stack and recursion.## Given program for DFS and BFS: import sys
cyclic = False #keeping track in dfs whether a cycle was found
def read(fnm):
"""
read file fnm into dictionary
each line has a nodeName followed by its adjacent nodeNames
"""
f = open(fnm)
gr = {} #graph represented by dictionary
for line in f:
l =line.strip().split(" ")
# ignore empty lines
if l==['']:continue
# dictionary: key: nodeName value: (color, adjList of names)
gr[l[0]]= ('white',l[1:])
return gr
def dump(gr):
print("Input graph: nodeName (color, [adj list]) dictionary ")
for e in gr:
print(e, gr[e])
def white(gr) :
"""
paint all gr nodes white
"""
for e in gr :
gr[e] = ('white',gr[e][1])
'''
return bfs queue with (node, distance) pairs
'''
def bfs(gr,q):
"""
breadth first search gr from r
"""
'''
return boolean: True gr bfrom r is cyclic, False otherwise
'''
def dfs(gr,r):
"""
depth first search gr from r for cycles
"""
if __name__ == "__main__":
print(sys.argv[0])
gr = read(sys.argv[1]) # file name
root = sys.argv[2] # root node
db = len(sys.argv)>3 # debug?
print("BFS")
dump(gr)
print("Root node:", root)
gr[root] = ('black',gr[root][1])
q = bfs(gr,[(root,0)])
print("BFS queue: (node name, distance) pairs")
print(q)
print("END BFS")
print()
print("DFS")
white(gr)
dump(gr)
print("Root node", root)
dfsInit(gr,root)
if cyclic:
print("graph with root",root,"is cyclic")
else:
print("graph with root",root,"is not cyclic")
print("END DFS")The dfs and bfs functions have to be implemented. They are called with the input graph gr and a root node r.What do you have to do?Your task is to implement the bfs and dfs functions as described below.In both bfs and dfs, visit children of a node in left to right order, i.e., if adj is the adjacency list of a node, visit the children as follows:for nxt in adjFor bfs, return a queue of (node, distance) pairs, where distance is the shortest distance to the node from r. Note that r is the root node.For dfs, return True if gr from r is cyclic, and False otherwise. If you detect a cycle, then set the global variable cyclic to True.
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Design a smart home simulator requirements are: (Draw an inheritance tree diagram) [ANSWERED]
a.At least 5 classes.
b.Each class has at least 3 instance variables.
c.Each class has at least 1 method (in addition to getters/setters).
d.Use inheritance.
e.Use method overriding.
Write classes based on your smart home simulator design. a.In methods, just print out something.
b.Implement setters and getters methods too.
In Java, the process of creating a hierarchy between classes by deriving from other classes is known as inheritance.
The inheritance tree diagram is attached in the image below:
Due to the transitive nature of Java inheritance, if Sedan extends Car and Car extends Vehicle, then Sedan will also inherit from the Vehicle class. The Car and Sedan are superclasses of the Vehicle.
Inheritance Tree Builder is a tool that uses a tree structure to visualize all the classes, inner classes, and inheritance relationships between classes to provide developers with an instant grasp of the Java input package.
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