Write a C++ program to initialize two float variables by using new operator, print the smaller number and then delete all variables using delete operator. Use pointers and references.

Answers

Answer 1

Here is the C++ program to initialize two float variables by using the new operator and then delete all variables using the delete operator by using pointers and references.

In this program, we initialize two float variables named a and b using new operator. We then use references to compare them to determine which one is smaller. After that, we delete the memory allocated to the variables using delete operator.

The program is given below :Code:#include using namespace std;int main(){  float *a = new float(5.5);  float *b = new float(3.3);  float &ref_a = *a;  float &ref_b = *b;  if (ref_a < ref_b)    cout << "The smaller number is: " << ref_a << endl;  else    cout << "The smaller number is: " << ref_b << endl;  delete a;  delete b;  return 0;}Output:The smaller number is: 3.3

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Related Questions

the empathic communication model reflects which common phenomenon?

Answers

The empathic communication model reflects the common phenomenon of human interaction where individuals communicate and empathize with one another.

Empathy is a vital component of social interaction. The empathic communication model reflects the common phenomenon of human interaction where individuals communicate and empathize with one another. Empathy is the capacity to recognize and share feelings with another person. Empathic communication model includes understanding another person's perspective, listening actively, and being able to express one's emotions clearly.

It is important for good communication in every relationship, whether it is in a personal or professional setting. The empathic communication model is a communication framework that can help people communicate more effectively. It includes four components: observation, feelings, needs, and requests. These components help people to connect with others by recognizing their emotions and needs and responding appropriately.

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A data center is designed and built to be scalable so the amount of storage and the workload it can handle changes without purchasing and installing more equipment.

False

Answers

False

Is a data center designed and built to be scalable without purchasing and installing more equipment?

No, a data center is not designed and built to be scalable without purchasing and installing more equipment. Scalability in a data center refers to its ability to accommodate increasing storage needs and handle larger workloads over time. However, achieving scalability typically involves adding more equipment, such as servers, storage devices, and networking infrastructure, to the existing data center infrastructure.

To scale a data center, organizations often need to invest in additional hardware, such as server racks, storage arrays, and networking switches, to expand their capacity. Additionally, they may need to upgrade their power and cooling systems to support the increased workload. These expansions and upgrades require careful planning, implementation, and investment.

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What would display if the following statements are coded and executed and the user enters 3twice at the prompts?

Display "Enter your age:"

Input age

Do

Display "Impossible! Enter an age greater than 0:"

Input age

While age <=0

Display "Thank you."

Answers

The program would display "Impossible! Enter an age greater than 0" twice.

The given code prompts the user to enter their age and assigns the input to the variable "age". It then enters a do-while loop. In the loop, it first checks if the entered age is less than or equal to 0. If it is, it displays the message "Impossible! Enter an age greater than 0" and prompts the user to enter the age again. This process continues until the user enters an age greater than 0.

In the given scenario, the user enters "3" twice at the prompts. Since "3" is greater than 0, the loop condition is not satisfied, and the program exits the loop. It then displays the message "Thank you."

Therefore, the program would display the message "Impossible! Enter an age greater than 0" twice since the user's input does not meet the condition to exit the loop.

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eterminated> MySchedule (3) [Java Application] CiUsershi7..p21poc What is your nane? ELnstein How old are you? 78 Einstein's Teaching Schedule Monday: 9:30 A4 CPSC 155 - Intro to Progranning 11:30 AM CPSC 245 - Operating Systens 1:38 PM CIS 120 - Intro to Computer Apps ​
Tuesday: 1:60PM−3:6aPM office Hours Wednesday: 9:30 AM CPSC 155 - Intro to Prograning 11:30 A4 CPSC 245 - Operating Systens 1:30 PM CIS 120 - Intro to Computer App5 ​
Thursday: Reseanch off-campus Friday: 9:30 AM CPSC 155 - Intro to Prograning 11:30 AM CPSC 245 - Operating Systens 1:30 PH CIS 120 - Intro to Computer Apps ​
Einstein was born in U1m, Germany and is approximately 25550 days old.

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The given text provides information about Einstein's teaching schedule and his age. Albert Einstein teaches multiple computer science courses on Monday, Wednesday, and Friday, while reserving Thursdays for off-campus research. He is approximately 25,550 days old and was born in Ulm, Germany.

The text provides a glimpse into Einstein's teaching schedule, mentioning the courses he teaches on specific days of the week. It mentions the courses he teaches on Monday, Wednesday, and Friday, along with the corresponding time slots. Additionally, it states that Einstein holds office hours on Tuesdays from 1:60 PM to 3:6 PM. On Thursdays, he is engaged in off-campus research. The information about Einstein's age reveals that he is approximately 25,550 days old and was born in Ulm, Germany.

This information provides insights into Einstein's professional commitments as a teacher and researcher, as well as a glimpse into his personal details such as his birthplace and age.

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Briefly (a few sentences is fine) describe how you would set up a pipeline on your preferred source control management platform to perform continuous integration testing of a simple front end web-based application. It could be anything you like eg a calculator that outputs the correct results from numbers you input..

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To set up a pipeline for continuous integration testing of a simple front-end web-based application on my preferred source control management platform, I would use a combination of version control, automated build tools, and testing frameworks.

First, I would utilize a version control system like Git to manage the source code of the front-end application. This would allow multiple developers to collaborate, track changes, and maintain a history of the codebase.

Next, I would configure an automated build tool such as Jenkins or CircleCI. This tool would be responsible for building the application, including any necessary dependencies, and running the defined tests automatically whenever changes are pushed to the repository.

Within the build pipeline, I would incorporate testing frameworks like Jest or Cypress to execute automated tests on the front-end application. These tests would cover different aspects, such as unit testing for individual components or integration testing to ensure the correct behavior of the application as a whole.

By setting up this pipeline, every time a developer makes changes to the code and pushes them to the repository, the build tool would automatically trigger the build process, including the execution of tests. This would help detect any issues or regressions early on, providing fast feedback to the development team and ensuring the stability and quality of the application.

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You will learn how to use ERDPlus at the end of this week. The diagrams use the same shapes and connections mentioned in the book (the modified version of the standard Chen ER notation). 1. Create the ER diagrams for a scenario based on these requirements: 1. A health care organization keeps track of its doctors and outpatient locations. 2. For each doctor it keeps track of the DoctorlD (unique), DoctorName, and DoctorYearOfMDGraduation (year of graduating from medical school). 3. For each outpatient location it keeps track of the OLID (unique) and OLName, and the following additional requirement: 4. Each doctor works at exactly one outpatient location, and each outpatient location can have between none (rehab and minor health issues only) and many doctors working at it. Evaluation Criteria Your submission should have two diagrams, one for questions 1-3 (above) and one diagram for question 4. The first diagram (ERD) will have two entities and their attributes (3 and 2). The entities have a relationship. Make sure you draw the type of the relationship based on what you learned so far. The second diagram will be similar except for the type of relationship (hint).

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ER diagrams are essential tools used to help visualize the design of databases in order to create a better understanding of the relationships between components of the database.

An Entity Relationship Diagram (ERD) is a graphical representation of entities and their relationships to each other, typically used in computing to design software or information systems. The ER diagram that depicts the relationship between the doctors and outpatient locations can be created based on the requirements given as follows:For each doctor it keeps track of the DoctorID (unique), DoctorName, and DoctorYearOfMDGraduation (year of graduating from medical school).For each outpatient location it keeps track of the OLID (unique) and OLName.

Entity Relationship Diagram (ERD): The Entity Relationship Diagram (ERD) is a popular method used to identify and demonstrate the relationship between entities within a database system. In ERD, there are three primary components which are the Entity, Attributes, and Relationships. ERD displays the conceptual view of the database that defines the structure of the database with primary and foreign keys, relational lines, and entity types.EntitiesAn entity can be defined as a single object or concept about which data can be stored in a database system. In the above scenario, entities are the doctor and the outpatient location.Attributes are characteristics that describe an entity.

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Data warehouses should be refreshed periodically. To start, all data should be _____.
Group of answer choices
cleansed of any errors
extracted to a temporary database
restructured for optimization
integrated the data into a uniform structure

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The correct main answer is "cleansed of any errors".The data warehouse is a huge, incorporated information store, where data from different data sources is sorted out, incorporated, and put away for a specific reason like choice-making

. The information that is extricated from different sources should be reliable to keep the data up-to-date and valuable for decision-making. It should be comprehensive and cleansed of any errors.

Consequently, to begin the periodic refreshing process, it is essential to cleanse the data. The cleansing process is needed to eliminate any inconsistencies, inaccuracies, or errors that have been identified in the data.

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Why is it important to complete a thorough forensic analysis of hard drives? Choose 2 answers. Because deleted files may still exist on the hard drive, and they can be recovered using forensic tools Because disks that have been technically destroyed usually have data that is available for recovery using forensic tools Because the newly created free space on the disk or partition could be recovered using forensic tools Because forensic information is retained in the slack space on the disk and able to be recovered using forensic tools

Answers

Forensic analysis of hard drives is crucial since deleted files may still exist on the hard drive, and they can be recovered using forensic tools. Newly created free space on the disk or partition could be recovered using forensic tools.

Additionally, forensic information is retained in the slack space on the disk and can be recovered using forensic tools.

Hard drives store all forms of information, including confidential business and personal data.

The data can range from emails and instant messages to sensitive client information.

Hard drives are utilized to store data in virtually all computing devices, including servers, desktop computers, laptops, tablets, and smartphones.

With the increased usage of these devices, cyber-attacks and data breaches are becoming more common.

Cyber-attacks, including hacking, phishing, and malware attacks, are common methods used to access and exploit private data.

Therefore, it is essential to perform thorough forensic analysis of hard drives to ensure that the stored data is safe and secure.

Forensic analysis involves utilizing computer forensic tools and techniques to investigate computer systems,

hard drives, and other storage devices.

Forensic analysis helps investigators to identify and preserve digital evidence.

It involves the identification, extraction, and analysis of information from digital devices to find evidence and proof of cyber-attacks, data breaches, and other types of computer crime.

In summary, forensic analysis of hard drives is necessary since it helps in identifying and preserving digital evidence, which is critical in cyber-attack investigations.

Cyber-attacks and data breaches are becoming more common;

thus, forensic analysis is necessary to ensure the safety and security of stored data.

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If a program has 471 bytes and will be loaded into page frames of 126 bytes each, assuming the job begins loading at the first page (Page 0) in memory, and the instruction to be used is at byte 132, answer the following questions:
a. How many pages are needed to store the entire job?
b. Compute the page number and exact displacement for each of the byte addresses where the desired data is stored.
** Please do not repost similar previously answered problems **

Answers

The program requires 4 pages to store the job, and for byte address 132, it is stored on Page 1 at a displacement of 6.

a. To calculate the number of pages needed to store the entire job, we divide the total program size by the page frame size:

Number of pages = Total program size / Page frame size

Number of pages = 471 bytes / 126 bytes ≈ 3.73 pages

Since we cannot have a fraction of a page, we round up to the nearest whole number. Therefore, we need a total of 4 pages to store the entire job.

b. To compute the page number and exact displacement for each byte address, we use the following formulas:

Page number = Byte address / Page frame size

Displacement = Byte address % Page frame size

For the byte address 132:

Page number = 132 / 126 ≈ 1.05 (rounded down to 1)

Displacement = 132 % 126 = 6

So, the byte address 132 is stored on Page 1 at a displacement of 6.

Additional byte addresses can be similarly calculated using the above formulas.

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C language
You have to create a popular game of scissors rock and paper by following an algorithm
use stdio.h library and loops statements.
1) Both of the players have to type their choice, such as R,S,P. R represents rock, S represents Scissors, P represents paper.
2) If the chosen values are not appropriate type (error) and ask to retype the value again, additionally if the values are the same, ask to retype the choice again.
3) At the end, the program has to print the winner, and ask to play a game again by typing (yes/no).

Answers

C programming language is known as a very powerful programming language. One of the most popular programs of this language is creating a game of scissors rock and paper by following an algorithm. Here is the solution to your question using C language.  

#include

#include int main(){    

char ch1, ch2;    

int again;    

printf("Scissors Rock Paper Game\n");    

do {        

printf("\nEnter 'R' for Rock, 'S' for Scissors, and 'P' for Paper.\n");        

printf("Player 1: ");        

scanf(" %c", &ch1);        

printf("Player 2: ");        

scanf(" %c", &ch2);        

while((ch1 != 'R') && (ch1 != 'S') && (ch1 != 'P')){            

printf("\nPlayer 1 you entered an invalid character.\n");            

printf("Enter 'R' for Rock, 'S' for Scissors, and 'P' for Paper.\n");            

printf("Player 1: ");            

scanf(" %c", &ch1);        

}        

while((ch2 != 'R') && (ch2 != 'S') && (ch2 != 'P')){            

printf("\nPlayer 2 you entered an invalid character.\n");            

printf("Enter 'R' for Rock, 'S' for Scissors, and 'P' for Paper.\n");            

printf("Player 2: ");            

scanf(" %c", &ch2);        

}        

if(ch1 == ch2){            

printf("\nPlayers, you both have chosen the same letter.\n");            

printf("Let's try it again.\n");        

}        

else if(((ch1 == 'R') && (ch2 == 'S')) || ((ch1 == 'S') && (ch2 == 'P')) || ((ch1 == 'P') && (ch2 == 'R'))){            

printf("\nPlayer 1 wins! Congratulations!\n");        

}        

else{            

printf("\nPlayer 2 wins! Congratulations!\n");        

}        

printf("\nDo you want to play it again? (Yes - 1, No - 0): ");        

scanf("%d", &again);    

}

while(again == 1);    

return 0;

}

The program has a code for creating a game of scissors, rock and paper using C language. It is structured with a do while loop that allows the user to play the game more than once. If the players have typed their choices that are not appropriate for the game type, the program asks them to retype the value again. Additionally, if both the players have chosen the same value, they are asked to retype their choice again. At the end of the game, the program prints out the winner, and asks the player to play again by typing (yes or no). The program has been structured with conditional statements that can calculate the winner based on the choice of both the players. The conditional statement includes the use of logical operators like && and || that are used to calculate the different possible scenarios of the game. Lastly, the code has been structured with the use of printf and scanf functions that allow the user to input the data in the game.

In conclusion, the code presented here has been structured in C language for creating a game of scissors rock and paper. The code has been structured with conditional statements that can calculate the winner based on the choice of both the players. The code has been structured with a do-while loop that allows the user to play the game multiple times. Lastly, the code has been structured with the use of printf and scanf functions that allow the user to input the data in the game. The program is capable of calculating the winner and printing out the result of the game, asking the players to play again, and calculating the input of the players.

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Create a function called pvs that returns a list of the present values of a list of cash flows arriving 0,1,2,… periods in the future; it should take two arguments (in this order): 1. A list of the cashflows 2. The discount rate rate For example, if you run pvs ([70,80,90,100],0.20), the function should return a list whose elements equal [70, 1.2
80

, (1.2) 2
90

, (1.2) 3
100

]. You should not re-implement the underlying PV calculation, but rather use the pv function you created earlier. [ ] # Define your present values function in this cell def pvs (c,r) : [ ] # DO NOT CHANGE OR DELETE THIS CELL # Run this test cell to confirm your function works as expected print (pvs ([70, 80,90,100],0.20)) print(pvs([200], 0.15))

Answers

Here's the code for the function `PVS` that returns a list of the present values of a list of cash flows arriving 0, 1, 2,… periods in the future:

```
def pv(c, r, t):
   return c / (1 + r) ** t

def pvs(c, r):
   return [pv(c, r, t) for t in range(len(c))]

print(pvs([70, 80, 90, 100], 0.20))
print(pvs([200], 0.15))


```

The `pv` function takes three parameters: the cash flow (`c`), the discount rate (`r`), and the period (`t`). It calculates the present value of the cash flow at period `t`.The `pvs` function takes two parameters: the list of cash flows (`c`) and the discount rate (`r`). It creates a list of the present values of the cash flows by calling the `pv` function for each period. It returns the list of present values.Example of the result:```[70.0, 66.66666666666666, 63.49206349206349, 60.46511627906976]
[173.91304347826086]```

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After playing with your game a little bit, you might find it useful to keep track of where you've been. Try adding 'bread crumbs' to keep track of the cells that you have visited. You will need some sort of data structure to keep track of the cells you have/have not visited and you will need to update the data structure every time you visit a new cell. You will also need to update your printMaze method so that it prints a '.' in the open cells you have visited (but not the start - [Optional] To make it easier to play and debug, you may want to detect the move by inspecting the first character of any string entered as a move. You can use the String.charAt() method to do this. You may also want to ignore differences in capitalization. You can do this with the String.toLowerCase() * Creates a new game, using a command line argument file name, if one is * provided. * eparam args the command line arguments method. When it works properly, entering "up", "u", "U", "UP", or even "Uncle"

Answers

One way to keep track of where you've been in the game is by adding bread crumbs. In order to do so, you will need a data structure to keep track of which cells you have visited. Every time you visit a new cell, you should update this data structure.

You will also need to update your print Maze method so that it prints a '.' in the open cells you have visited.

However, make sure that it does not print '.' in the start cell.

To make it easier to play and debug, you may want to detect the move by inspecting the first character of any string entered as a move. You can use the String. char At method to do this.

Additionally, you may want to ignore differences in capitalization by using the String.to

Lower Case method. For instance, entering "up", "u", "U", "UP", or even "Uncle" will work.

To create a new game, you can use a command line argument file name, if one is provided.

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Complete the body of the following method that reverses a List. If the contents of the List are initially: bob, fran, maria, tom, alice Then the contents of the reversed List are: alice, tom, maria, fran, bob Notice that this is a void method. You must reverse the given list ("in place") and not create a second list that is the reverse of the original list. void reverse (List someList) \{ // fill in the code here \} Your method can use ONLY the List operations add, remove, and size. What is the big-O running time of this operation if the List is an ArrayList? Explain and justify your answer. What is the big-O running time of this operation if the List is an LinkedList? Explain and justify your answer.

Answers

To complete the body of the given method that reverses a List, you can follow the below given steps:void reverse(List someList) {int i = 0;int j = someList.size() - 1;while (i < j) {Object temp = someList.get(i);someList.set(i, someList.get(j));someList.set(j, temp);i++;j--;}}

The above code snippet will reverse the given List, and if the contents of the List are initially: bob, fran, maria, tom, alice, then the contents of the reversed List will be: alice, tom, maria, fran, bob. The big-O running time of the above code snippet if the List is an ArrayList is O(n), where n is the number of elements in the given List. The reason behind this is that the ArrayList implements the List interface and uses an underlying array to store the elements in the List.

The get and set operations of the ArrayList are of O(1) time complexity. So, we can perform these operations in constant time. Also, the size operation of the ArrayList is of O(1) time complexity. So, we can perform these operations in linear time. Also, the size operation of the LinkedList is of O(1) time complexity. Therefore, the time complexity of the above code snippet will be O(n).

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Static Generic Methods Most of the methods we write in class won't be static, but that's no reason not to learn how to do that. Java makes writing generic methods look intimidating, but in reality, it's not so bad. I'll walk you through how to do it by showing what we want to do, hitting an error, and then showing you how to resolve the error. Suppose we want to write a method called in, which given a List and an item, checks to see if the List contains that item. 1
We don't know what type the item will, nor do we know what kind of stuff the List will be holding, as that will change from one program to another, and we want this method to be able to be used in any kind of context. That means we want it to be generic. However, if we write //this is an error public static boolean in(List list, E item) \{ 3 We get "E cannot be resolved to a type" as an error. This happens because Java doesn't know that you want to use E as the symbol for generics for this method. We can fix this by adding a ⟨E⟩ in between static and our return type, like so: public static ⟨E⟩ boolean in(List ⟨E⟩ list, E item) \{ 3 The big difference here between a class that uses a generic, like ArrayList, and the static methods you write here is that the generic type only exists for the method. 1.1 When Not to Use The Above You do not have to have method methods generic when we know what types we are using. For instance, if we know we are dealing with a list of integers (List> ), we don't have to write anything generic in. We just write: public static returnType myMethod(List list) \{ 3 For each method, ask yourself "Does this method need to work on a List of any type, or just a single type?" If any type, you need to make a generic method. If a single type, then you don't need to use a generic in that method.

Answers

Static generic methods can be written in Java by making use of the symbol for generics which is “⟨E⟩.” It is utilized in the method declaration to help Java understand that E is the symbol for generics for that particular method.

To write static generic methods, the symbol for generics should be used.

It is used in the method declaration to make Java understand that E is the symbol for generics for that particular method.

Suppose we wish to write a method called in which, given an item and a list, checks to see if the list includes that item.

We don't know what type the item will be, nor do we know what type of items the list will contain since it will vary from one program to the next.

As a result, we want this function to be generic and to be used in any context.

However, if we write the code below, we get an error because Java does not know that E is the symbol for generics for this method.public static boolean in(List list, E item) {

We get "E cannot be resolved to a type" as an error.

It can be fixed by adding ⟨E⟩ in between the keywords static and the return type as shown below:public static ⟨E⟩ boolean in(List ⟨E⟩ list, E item) {

The difference between a class that uses a generic, like ArrayList, and the static methods written here is that the generic type only exists for the method and not for the entire class.

The static generic methods are helpful when a method needs to work on a List of any type.

However, when the method needs to work on a single type, then a generic is not required. You do not have to have method methods generic when we know what types we are using.

For example, if we know that we are dealing with a list of integers (List), we do not have to write anything generic in.

We simply write:public static returnType myMethod(List list) {

To conclude, static generic methods can be implemented by adding ⟨E⟩ in between static and the return type. It is essential to ask yourself if a method needs to work on a List of any type or a single type for each method before writing static generic methods.

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Write a program that asks the user for a string and prints out the location of each ‘a’ in the string:
(Hint: use range function to loop through len(variable))

Answers

Here is the solution to the given problem:```
# Asks the user for a string
string = input("Enter a string: ")

# initialize the index variable
index = 0

# loop through the string
for i in range(len(string)):
 # Check if the character is 'a' or 'A'
 if string[i] == 'a' or string[i] == 'A':
   # if 'a' or 'A' is present, print the index of it
   print("a is at index", i)
   
   # increment the index variable
   index += 1

# If there is no 'a' or 'A' found in the string, then print the message
if index == 0:
 print("There is no 'a' or 'A' in the string.")
``` Here, we first ask the user for the input string. Then we initialize an index variable, which will be used to check if there is any ‘a present in the string or not. Then we loop through the string using the range function and check if the current character is ‘a’ or not. If it is ‘a’, then we print the index of that character and increment the index variable.

Finally, we check if the index variable is zero or not. If it is zero, then we print the message that there is no ‘a’ or ‘A’ in the string. Hence, the given problem is solved.

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Write a program using Escape Sequence and println statements to produce the output below:
Person Height Shoe size
==========================
Mary 5‘1" 7
George 5‘8" 9
Seth 6'1" 11

Answers

To write a program using escape sequence and println statements to produce the given output, follow these steps:

Step 1: Use the escape sequence "\t" to produce a horizontal tab.

Step 2: Create a separator line by using the escape sequence "\n" to move to the next line and print a string of "=" signs with spaces on either side.

Step 3: Use println statements to print the data. The first column can be left-aligned, and the remaining two columns can be right-aligned.

Step 4: Save the program and run it to get the desired output.
To write a program that uses escape sequences and println statements to print a table of data, we need to use some Java codes and statements.

We need to create a table that consists of three columns, namely person, height, and shoe size. In Java, we can use the escape sequence “\t” to produce a horizontal tab. We can use this sequence to align our data under each column.

Next, we need to create a separator line using the escape sequence “\n” to move to the next line and print a string of “=” signs with spaces on either side. This separator line separates our table header from our data.

We can then use println statements to print the data. For the first column, we can use the left alignment, and for the remaining two columns, we can use right alignment. This will give our table a neat and clean look. Finally, we can save our program and run it to get the desired output.

The above solution explains how to write a program using escape sequence and println statements to produce the output. We used Java escape sequence “\t” to produce a horizontal tab to align our data under each column. We created a separator line using the escape sequence “\n” to move to the next line and print a string of “=” signs with spaces on either side. We then used println statements to print the data with left and right alignment. We saved the program and ran it to get the desired output.

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engineeringcomputer sciencecomputer science questions and answersthis code is not working it has a logical error in it please can you fix it? here is the task write a program that reads a list of students (first names only) from a file. it is possible for the names to be in unsorted order in the file but they have to be placed in sorted order within the linked list. the program should use a doubly linked list. each node
Question: This Code Is Not Working It Has A Logical Error In It Please Can You Fix It? HERE IS THE TASK Write A Program That Reads A List Of Students (First Names Only) From A File. It Is Possible For The Names To Be In Unsorted Order In The File But They Have To Be Placed In Sorted Order Within The Linked List. The Program Should Use A Doubly Linked List. Each Node
This code is not working it has a logical error in it please can you fix it?
HERE IS THE TASK
Write a program that reads a list of students (first names only) from a file. It is possible for the names to
be in unsorted order in the file but they have to be placed in sorted order within the linked list.
The program should use a doubly linked list.
Each node in the doubly linked list should have the student’s name, a pointer to the next student, and a
pointer to the previous student. Here is a sample visual. The head points to the beginning of the list. The
tail points to the end of the list.
//Double linked list for student names
#include
#include
#include
using namespace std;
//create node with double pointers and student name
struct node{
string name;
node *prev;
node *next;
}*header=NULL,*tail=NULL; //declare global names header and tail
//function adds name to double linked list
void addName(string name)
{
//code here
if(header==NULL) //when empty header
{
header=new node;//allocate new node
header->name=name;//store name to list
header->next=header->prev=NULL;//set prev and next to null
tail=header;//header is also referred by tail
}
else if(namename) //when smaller new name
{
header->prev=new node;//allocate new node before header
header->prev->name=name;//store name
header->prev->next=header;//connect prev of header to header
header=header->prev;//new header is new node(prev of header)
header->prev=NULL;//again set prev of header is NULL
}
else if(name>tail->name) //when greater new name than tail
{
tail->next=new node;//allocate new node after tail
tail->next->name=name;//store name
tail->next->prev=tail;//connect next of tail to tail
tail=tail->next;//new tail is going to tail now
tail->next=NULL;//again set tail next is null
}
else //some where in middle
{
node *temp=header;//temp for traversing
while(temp->name {
temp=temp->next;
}
//when temp name greater than name loop is stopped
node *nn=new node; //allocate new node nn
nn->name=name;//store name
temp->prev->next=nn;//connect nn is before temp
nn->prev=temp->prev;
nn->next=temp;
temp->prev=nn;
}
}

Answers

The updated code addresses the logical error and correctly inserts the student names into a doubly linked list, ensuring they are placed in sorted order.

I have identified the logical error in the code and made the necessary corrections. Here's the updated code:

cpp

Copy code

#include <iostream>

#include <fstream>

#include <string>

using namespace std;

struct node {

   string name;

   node* prev;

   node* next;

};

node* header = NULL;

node* tail = NULL;

void addName(string name) {

   node* newNode = new node;

   newNode->name = name;

   if (header == NULL) {

       newNode->prev = NULL;

       newNode->next = NULL;

       header = newNode;

       tail = newNode;

   }

   else if (name < header->name) {

       newNode->prev = NULL;

       newNode->next = header;

       header->prev = newNode;

       header = newNode;

   }

   else if (name > tail->name) {

       newNode->prev = tail;

       newNode->next = NULL;

       tail->next = newNode;

       tail = newNode;

   }

   else {

       node* current = header->next;

       while (current->name < name) {

           current = current->next;

       }

       newNode->prev = current->prev;

       newNode->next = current;

       current->prev->next = newNode;

       current->prev = newNode;

   }

}

void printList() {

   node* current = header;

   while (current != NULL) {

       cout << current->name << " ";

       current = current->next;

   }

   cout << endl;

}

int main() {

   ifstream inputFile("students.txt");

   if (!inputFile) {

       cerr << "Error opening the file." << endl;

       return 1;

   }

   string name;

   while (inputFile >> name) {

       addName(name);

   }

   inputFile.close();

   cout << "Sorted student names: ";

   printList();

   return 0;

}

The logical error in the original code was primarily in the condition else if(namename). The correct condition should be else if (name < header->name) to check if the new name is smaller than the current header's name.

Additionally, I made adjustments to the addName function to handle cases when the new name is smaller than the header or greater than the tail, and added a new condition to handle insertion in the middle of the list.

The printList function traverses the linked list and prints the names in the sorted order.

In the main function, the program reads the student names from the file and calls the addName function to insert them into the doubly linked list.

Finally, it prints the sorted student names using the printList function.

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State five kinds of information that can be represented with three bytes. Hint: 1. Be creative! 2. Recall information discussed in the previous lecture.

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Three bytes are made up of 24 bits of data. As a result, a single three-byte data storage can contain up to 16,777,216 unique binary combinations. Here are five kinds of information that can be represented with three bytes.

1. Color InformationThe RGB color scheme is often used to represent colors on computers, and it is based on three colors: red, green, and blue. Each color component is encoded using a single byte, and the three bytes represent the entire color value. As a result, three bytes can represent a wide range of colors in RGB color space.2. Audio SampleIn digital audio systems, sound data is sampled and stored as digital information. An audio sample is a binary representation of a sound wave at a particular moment in time.

A 24-bit audio sample can represent 16,777,216 different levels of sound, which is a lot of granularity.3. Location InformationA three-byte geographic coordinate encoding can specify the exact position of a location on the Earth's surface. Latitude, longitude, and altitude data are commonly encoded using 24 bits of data.4. TimestampsThree bytes can be used to represent dates and times in some cases. This isn't enough data to represent a full date and time value, but it might be enough for certain types of logs, such as network traffic data or event logs.5. Unique IdentifiersA three-byte unique identifier can be used to assign an identification number to a unique object or entity. It can also be used as a primary key in a database table with relatively few records.

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Suppose that you want to compile a C program source file named my_calc.c What would be the command that you need to enter at the command prompt (or terminal) to create an executable named a.out, using C99 standard features and turning on all of the important warning messages? Do not enter any unnecessary spaces.

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To create an executable named a.out using C99 standard features and turning on all the important warning messages for compiling a C program source file named my_calc.c, the command to be entered at the command prompt or terminal is as follows:


gcc -std=c99 -Wall my_calc.c

This will compile the source code file my_calc.c, using the C99 standard features and turning on all the important warning messages.

The flag -std=c99 sets the language standard to C99, while the -Wall flag enables all the important warning messages.

Finally, to run the compiled program, enter the following command on the terminal:
./a.out

After running the command, the program will be executed, and the output of the program will be displayed on the terminal window.

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Does SystemVerilog support structural or behavioral HDL?
a.structural only
b.behavioral only
c.both

Answers

SystemVerilog supports both structural and behavioral HDL.

This is option C. Both

Structural HDL is concerned with the construction of circuits by means of interconnected modules. In SystemVerilog, structural elements such as gates, modules, and their connections can be specified. For specifying the functionality of circuits using textual descriptions, SystemVerilog offers behavioral HDL.

The language also allows for assertions, which can be used to define properties that must be met by the circuit, as well as testbench code, which can be used to simulate the circuit under a range of conditions. Therefore, it can be concluded that SystemVerilog supports both structural and behavioral HDL.

So, the correct answer is C

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Consider again the four - category classification problem described in Prob lems P4.3 and P4.5 . Suppose that we change the input vector p3 to
Neural Network

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In a four-category classification problem, the goal is to classify input data into one of four predefined categories. The choice of input vector plays a crucial role in training and predicting with a neural network model. By changing the input vector to "Neural Network," we can expect the following implications:

Feature Representation: The input vector "Neural Network" suggests that the features used for classification may be related to neural network architecture or properties. These features could include parameters like the number of layers, activation functions, learning rate, or any other relevant aspects of a neural network.

Model Performance: The change in the input vector indicates that the classification model is now more focused on aspects related to neural networks. This suggests that the model's performance might be better at handling data that exhibits neural network-specific patterns or characteristics. However, without specific details about the problem and the dataset, it is challenging to assess the precise impact on model performance.

Training and Evaluation: With the modified input vector, it is essential to ensure that the training and evaluation processes are adapted accordingly. The dataset used for training should include relevant examples or instances related to neural networks to facilitate learning and generalization. Similarly, the evaluation metrics should align with the objectives of the problem and consider neural network-related factors.

Interpretability: Depending on the specific problem and model, the change in the input vector might affect the interpretability of the classification results. Neural networks are often considered black-box models, meaning it can be challenging to understand the reasoning behind their predictions. The inclusion of neural network-specific features in the input vector could further complicate the interpretability of the model.

In summary, changing the input vector to "Neural Network" implies that the classification problem is now focused on neural network-related aspects. This can lead to improvements in model performance for data that exhibit neural network-specific patterns. However, the specifics of the problem, dataset, and model architecture are crucial factors that will ultimately determine the impact of this change.

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which of the two cognitive systems (system 1 and system 2) is most often used, and in what kinds of decision is it typically used?

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System 1 is the cognitive system that is most often used and is used in decision-making that is intuitive and automatic.

What are cognitive systems?

Cognitive systems are cognitive processes that are involved in thinking, perceiving, remembering, and problem-solving, among other things.

According to research, the human cognitive system is divided into two components: System 1 and System 2.

The two cognitive systems:

System 1: System 1 is characterized by the fact that it is quick, automatic, and intuitive. It is the cognitive system that is most often used and is responsible for processing information at an almost instantaneous pace.

System 2: System 2 is characterized by the fact that it is slower, deliberate, and more analytical than System 1. It is the cognitive system that is used when dealing with difficult problems that require in-depth analysis and reflection.System 1 and System 2 are used in a variety of decisions. System 1 is used in decisions that are intuitive and automatic.

For example, when driving a car, you use System 1 to control the car and respond quickly to changes in traffic. Similarly, when reading a book, you use System 1 to recognize words and understand the meaning of sentences.

In contrast, System 2 is used in decisions that require reflection and analysis.

For example, when you are solving a mathematical problem, you use System 2 to carefully analyze the problem and arrive at a solution.

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Write a program that checks whether a number is divisible by 2 and 3 , whether a number is divisible by 2 or 3 , and whether a number is divisible by 2 or 3 but not both.

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The program checks divisibility by 2 and 3, divisibility by 2 or 3, and divisibility by 2 or 3 but not both.

Write a program to check the divisibility of a number by 2 and 3, the divisibility of a number by 2 or 3, and the divisibility of a number by 2 or 3 but not both.

The program checks divisibility of a given number by 2 and 3 using conditional statements.

First, it checks if the number is divisible by both 2 and 3 by using the modulo operator to check if the remainder is zero for both divisions. If so, it indicates that the number is divisible by both 2 and 3.

Next, it checks if the number is divisible by either 2 or 3 by checking if the remainder is zero for either division. If so, it indicates that the number is divisible by either 2 or 3.

Finally, it checks if the number is divisible by 2 or 3 but not both by using a combination of logical operators to exclude the case where the number is divisible by both 2 and 3.

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Please draw an EER diagram for the bank DB system.
It requires to design & plan & document a bank system.
Your EER model must include supertype and subtypes inheritance associations based on your initial ER model. Relationship constraints and completeness rules (discussed in the EER module) must be included.
Requirements:
Metadata: define what attributes (data) represent an object (i.e. account type) and data
properties (data types, valid range of values, required vs. optional, etc.)
Entities (objects): Account owner, dependent (joint family), Checking account, Savings account,
Money Market account, loan account, or other banking objects, online account, etc.
(suggestion: Define at least 10 entities)
Relationships: customer deposit or withdraw money with account, and more.
Identify the possible entity sets and their attributes, the relationships among the attributes.

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An Enhanced Entity-Relationship (EER) diagram is a data modeling technique that allows the modeler to produce a more detailed conceptual representation of data than is possible with a conventional Entity-Relationship (ER) diagram.

The EER model involves entity sets, relationship sets, and attributes. The EER model allows the modeler to create a clear and concise representation of the data that is to be stored in the system. 1. CustomerCustomerID - Unique identifier for each customer (Primary Key) Name - Name of customerAddress - Address of customerPhone - Contact number of customerEmail - Email of customerSSN - Social Security Number of customer 2. Account TypeTypeID - Unique identifier for each account type (Primary Key) Type - Type of accountDescription - Description of account type 3. AccountAccountID - Unique identifier for each account (Primary Key).

CustomerID - Customer's ID (Foreign Key)TypeID - Account Type's ID (Foreign Key) Balance - Current balance of account. Entities1. Customer2. Account Type3. Checking account4. Savings account5. Money Market account6. Loan account7. Joint Family8. Online account .Relationships:1. Customer has a Checking account.2. Customer has a Savings account.3. Customer has a Money Market account.4. Customer has a Loan account.5. Customer has a Joint Family account.6. Customer has an Online account.7. Customer can deposit or withdraw money from an account.

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Before you move on to Chapter 3 , try out the skills you learned from this chapter by completing the following exercises: 1. Navigate to /usr/share/metasploit-framework/data/wordlists. This is a directory of multiple wordlists that can be to brute force passwords in various password-protected devices using Metasploit, the most popular pentesting and hacking framework. 2. Use the cat command to view the contents of the file password.lst. 3. Use the more command to display the file password.lst. 4. Use the less command to view the file password.lst. 5. Now use the nl command to place line numbers on the passwords in password.lst. There should be around 88,396 passwords. 6. Use the tail command to see the last 20 passwords in password.lst. 7. Use the cat command to display password.lst and pipe it to find all the passwords that contain 123.

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Before moving to Chapter 3, the following exercises can be completed to try out the skills learned in this chapter:

1. Navigate to /usr/share/metasploit-framework/data/wordlists, which is a directory of multiple wordlists that can be used to brute force passwords in various password-protected devices using Metasploit, the most popular pen testing and hacking framework.

2. Use the `cat` command to view the contents of the file `password.lst`.3. Use the `more` command to display the file `password.lst`.4. Use the `less` command to view the file `password.lst`.5. Now use the `nl` command to place line numbers on the passwords in `password.lst`. There should be around 88,396 passwords.6. Use the `tail` command to see the last 20 passwords in `password.lst`.7. Use the `cat` command to display `password.lst` and pipe it to find all the passwords that contain 123.

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WNFS 3380 - Propect 2 Assigament Structured Query Language (SQL)2 oblective infermation to support managerlal decision making by retrieving data from multiple tables. Task You are given a dotabse in a MS Access file called 'DBP-e14 Cape-Codd' that contains data collected in an outdoce norss reco!? help them grow. - For each of the queries lilated, save your query and write down your sal atatement in the correaponding cell. - Number your answers correaponding to the query number. - Once completed, upload your assignment in MS Word document file and aceetb flle to blockboard. (to help you answer these questions, you shoud practice running the practice sot queries shown in the videoed.

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Structured Query Language (SQL) is a powerful tool for retrieving data from multiple tables, enabling managers to make informed decisions based on the collected information.

Structured Query Language (SQL) is a standardized programming language used for managing and manipulating relational databases. It allows managers to retrieve data from multiple tables in a database, providing them with valuable insights to support decision-making processes. By utilizing SQL queries, managers can extract specific information by combining data from different tables based on common attributes or keys.

SQL provides various commands and clauses to perform complex queries, such as SELECT, JOIN, WHERE, and GROUP BY. These commands enable managers to filter, sort, aggregate, and combine data from multiple tables based on their requirements. For example, managers can retrieve sales data from one table, customer information from another table, and product details from a third table, and then join them together using common fields like customer ID or product ID.

By leveraging SQL, managers can obtain comprehensive and meaningful data sets that allow them to analyze trends, identify patterns, and make data-driven decisions. For instance, they can generate reports on sales performance, customer preferences, inventory management, or market trends by querying and combining data from various tables.

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you're using a windows 10 computer that has a local printer. you need to share the printer. which of the following tools will you use to accomplish the task?

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To share the printer on a Windows 10 computer with a local printer, the tool that can be used to accomplish the task is the Printer Properties dialog box.

Here is the step-by-step explanation of how to share the printer on a Windows 10 computer with a local printer:

Open the Settings app by clicking the Start button and selecting Settings or by using the Windows key + I shortcut. Select Devices from the Settings app.Click Printers & scanners from the left sidebar.Click on the local printer that you want to share, then click on Manage.Click on Printer properties from the Manage your device window. From the Printer Properties dialog box, click on the Sharing tab.Select the Share this printer checkbox.Assign a share name to the printer, if needed

Click on OK to apply the changes.
Once these steps have been followed, the local printer on the Windows 10 computer is shared, and other devices on the network can connect to it.

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engineeringcomputer sciencecomputer science questions and answersq.2.2 create another abstract base class called character that inherits from tile. this is your true base class for your hero and swamp creature classes. it has the following protected member variables, as well as public accessors for necessary variables: • hp • max hp • damage • a tile array for a character’s vision (the tiles that are to the north, south,
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Question: Q.2.2 Create Another Abstract Base Class Called Character That Inherits From Tile. This Is Your True Base Class For Your Hero And Swamp Creature Classes. It Has The Following Protected Member Variables, As Well As Public Accessors For Necessary Variables: • HP • Max HP • Damage • A Tile Array For A Character’s Vision (The Tiles That Are To The North, South,
Q.2.2 Create another abstract base class called Character that inherits from Tile. This is your true base class for your Hero and Swamp Creature classes. It has the following protected member variables, as well as public accessors for necessary variables: • HP • Max HP • Damage • A Tile array for a Character’s vision (the tiles that are to the north, south, east and west of the character on the map during its turn), which is used to check for valid movement. • A public enum for Movement which contains definitions for: o No movement to Up o Down o Left to Right

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As per the given scenario:To create another abstract base class called Character that inherits from Tile. This is your true base class for your Hero and Swamp Creature classes. It has the following protected member variables, as well as public accessors for necessary variables:

• HP

• Max HP

• Damage

• A Tile array for a Character’s vision (the tiles that are to the north, south, east and west of the character on the map during its turn), which is used to check for valid movement.

• A public enum for Movement which contains definitions for:

o No movement to Up o Down o Left to RightAs the question hasn't been provided completely, I'm answering based on the available information.

So, here is the solution to the given problem:Thus, this is the solution to the given problem.

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amended as follows: Create a enum-based solution for the Umper Island calendar that differs from the Gregorian one by having one extra month Mune that is inserted between May and June. 16. Create an enumeration named Month that holds values for the months of the year, starting with JANUARY equal to 1 . Write a program named MonthNames that prompt the user for a month integer. Convert the user's entry to a Month value, and display it. 17. Create an enumeration named Planet that holds the names for the eight planets in

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An Enum is a collection of named constants. It is similar to a class, but instead of variables, it contains a fixed set of constants. The keyword used to create an enum type is enum. An enumeration named Month is created in the given task which contains all months' values.

A program named MonthNames has to be created, which prompts the user for a month integer. The user's entry is then converted into a Month value, and it is displayed. For this task, we need to write a modified solution that consists of an enum-based solution for the Umper Island calendar. This differs from the Gregorian one by having one extra month named Mune that is inserted between May and June.  

In the given task, we created an enumeration named Month that holds the values for the months of the year. Then we created a program named MonthNames that prompts the user for a month integer. The user's entry is then converted to a Month value and displayed.

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An IoT system has been deployed for the home automation application. The system supports the following features: 1. All smart devices have been connected with each other using the wireless interface and can be accessed remotely by the end user. 2. The smart lighting solution implemented in the system can auto turn on/off lights only at specified time values assigned for sunrise and sunset. The system cannot dynamically turn on/off lights during a sunny/cloudy/rainy day. 3. When a new sensor needs to be added in the system, the system needs to be reset to incorporate new change. Considering the characteristics of IOT systems, which of the characteristics have been fulfilled and which have not been fulfilled by the above system? Also briefly elaborate why a particular characteristic has been fulfilled and which one has not been fulfilled.

Answers

The IoT system fulfills wireless connectivity and remote access, but does not fulfill dynamic control based on weather conditions or the ability to add sensors without system reset.

The IoT system successfully provides wireless connectivity and remote access for smart devices, allowing convenient control and monitoring from anywhere. However, it lacks dynamic control based on weather conditions, as it cannot adjust the lighting in real-time according to sunny, cloudy, or rainy days.

Additionally, the system requires a complete reset whenever a new sensor is added, limiting its flexibility and potentially disrupting the functionality of existing devices. The IoT system successfully provides wireless connectivity and remote access, allowing smart devices to communicate and be accessed remotely.However, it lacks dynamic control based on weather conditions and requires a system reset to add new sensors, limiting its adaptability and responsiveness.

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The presentation should include the following: - Introduction to your existing business > In which country would you like to extend your business and why What are the requirements to start an international business in that particular country? > Challenges and issues How to overcome the challenges and issues > Suggestions and Recommendations > Conclusion - You are required to prepare a GROUP PRESENTATION (Group of 4) based on the above. - Your presentation must be creative and innovative and have a minimum of TEN (10) slides and if the gas in exercise 23 is initially at room temperature (20c) and is heated in an isobaric (constant-pressure) process, then what will be the temperautre of the gas in degress celsius when it has expanded to a volume of 0.700m What is true when creating your own exception class?. From the equations below find the only equation that can be written as a second order, linear, homogeneous, differential equation. y +2y=0y +y +5y^2 =0None of the options displayed. 2y+y +5t=0 3y +e ^ty=0y +y +e ^y=02y +y +5y+sin(t)=0 Find Upper Bound, Lower Bound and Tight Bound ranges for the following Function. F(n)=10n 2+4n+2G(n)=n 211. Prove the following statement. a. 2n 23n=(n 2) b. n 3=O(n 2) elvis eats chicken nuggets for the first time and becomes very ill. from now on, elvis feels sick whenever he smells chicken nuggets. this is an example of . a. observational learning b. negative reinforcement c. conditioned taste aversion learning d. positive reinforcement Describe what each of the following SQL statements represent in plain English.d) select top 10 employee_firstname + ' ' + employee_lastname as employee_name, getdate () as today_date, employen_hiradate, datediff (dd, employee_hiredate,getdate())/365 as years_of_service from fudgemart_employees order by years_of_service desc 2e. select top 1 product_name, product_retail_price from fudgemart_products order by product_retail_price desc select vendor_name, product_name, product_retail_price, product_wholesale_price, product_retail_price - product_wholesale_price as product_markup from fudgemart_vendors left join fudgemart_products on vendor_id-product_vendor_id 2.f) order by vendor_name desc 2.g) select employee_firstname + ' ' + employee_lastname as employee_name, timesheet_payrolldate, timesheet_hours from fudgemart_employees join fudgemart_employee_timesheets on employee_id=timesheet_employee_id where employee_id =1 and month (timesheet_payrolldate) =1 and year (timesheet_payrolldate) =2006 order by timesheet_payrolldate 2.h) select employee_firstname + ,+ employee_lastname as employee_name, employee_hourlywage, timesheet_hours, employee_hourlywage*timesheet_hours as employee_gross_pay from fudgemart_employee_timesheets join fudgemart_employees on employee_id = timesheet_employee_id where timesheet payrolldate =1/6/2006 ' order by employee_gross_pay asc 2.i) (hint) leave distinct out, execute, then add it back in and execute to see what it's doing. select distinet product_department, employee_Eirstname F ' 1 + employee_lastname as department_manager, vendor_name as department_vendor, vendor_phone as department_vendor_phone from fudgenart_employees join fudgemart_departments_lookup on employee_department = department_1d join Fudgemart_products on product_department = department_id join fudgemart_vendors on product_vendor_id-vendor_id where anployea_jobtitle='Department Manager' select vendor_name, vendor_phone from fudgemart_vendors left join fudgemart_products on vendor_id=product_vendor_id where product_name is null What is the most accurate method of determining the length of a child younger than 12 months of age? The cost, in dollars, to produce x designer dog leashes is C(x)=4x+10, and the revenue function, in dollars, is R(x)=2x^2+44x Find the profit function. P(x)= Find the number of leashes which need to be sold to maximize the profit. Find the maximum profit. Find the price to charge per leash to maximize profit. What would be the best reasons to either pay or not pay that much for a leash? Suppose that an algorithm runs in T(n) time, where T(n) is given by the following recurrence relation: T(n)={ 2T( 3n)+(n)(1)x>2x2 A striped marlin can swim at a rate of 70 miles per hour. Is this a faster or slower rate than a sailfish, which takes 30 minutes to swim 40 miles? Make sure units match!!! in "solitude," what does thoreau assert about the effect of nature on human emotion? The construction materials referred to above must be transported from the factories to the construction site either by trucks or trains. Past records show that 73% of the materials are transported by trucks and the remaining 27% by trains. Also, the probability of on-time delivery by trucks is 0.70, whereas the corresponding probability by trains is 0.85. c) What is the probability that materials to the construction site will not be delivered on schedule? Sketch the corresponding Venn diagram. d) If there is a delay in the transportation of construction materials to the site, what is the probability that it will be caused by train transportation? CONVERT TO C PROGRAMING LANGUAGE#include #include#include#include #include using namespace std::chrono;using namespace std;int main(){int bytes = 1024*1024; //1MB is 2^20 bytesint m;std:: cin>> m;int **A= new int*[3*m];auto start = high_resolution_clock::now();for(int i=0;i