Code to be written in python:
Will mark as brainliest if correct!

In Computer Architecture, a cache is a collection of data duplicating some original values in the computer memory, where the original data is expensive to fetch (owing to longer access time) compared to the cost of reading the cache. In other words, a cache is a temporary storage area where frequently accessed data can be stored for rapid access.

An analogy of a cache would be a librarian. When requested for some books, a librarian would have to walk to the shelves to pick up the books. However, for frequently requested books, the librarian may put them into a bag she carries so that she can quickly produce them upon request.

A computer typically has multiple levels of memory caches. However, to keep things simple (as we always do), we will only consider a computer with 1 level of cache to supplement the main memory. The main memory is equivalent to the library shelves, while the cache is like the librarian's bag.

When we look up the cache for some data and find it there, it is called a cache hit. Otherwise, it is called a cache miss. A cache hit requires only 20 nanoseconds. However in the event of a cache miss, since we have to copy the data from the main memory into the cache before we can read it from the cache, it would require (altogether) 100 nanoseconds.

We assume that the cache is initially empty. When the cache is full and we need to bring in some data from the main memory into the cache, we have to decide which existing item in the cache is to be replaced by the incoming item. We shall replace the least recently used item in the cache in this case.

We shall use an example below to illustrate the states of a cache. We assume that a cache can hold 8 items.

Initial state of the cache
Cache: [1][5][9][8][2][7][12][13]
Timestamp: [0][7][4][1][5][6][ 3][ 2]
Current time : 8

The cache array contains the items in each slot of the cache. The timestamp array denotes the last time a particular item was used. For example, item "1" (at index 0) was used at the 0th unit of time, and item "5" was used at the 7th unit of time, and so on. The current time is 8 now. If now the operating system (OS) requests for item "1", we see that there is a cache hit, and consequently, item 1 can be retrieved from the cache in 20 nanoseconds. We also update the timestamp of item "1" to 8 and increase the current time by 1 unit. See the new state of the cache below.

Cache after retrieving item 1.
Cache: [1][5][9][8][2][7][12][13]
Timestamp: [8][7][4][1][5][6][ 3][ 2]
Current time : 9

Now (at time 9), if the OS requests for item "14", we see that there is a cache miss. In this case, the OS has to fetch the data from the memory and put it into the cache which takes 100ns in total. Since the cache is already full, we replace the LEAST RECENTLY USED item with the newly retrieved item from the memory. In this case, the least recently used item is item "8" with a timestamp of 1. See the new state of cache below.

Cache after retrieving item 14.
Cache: [1][5][9][14][2][7][12][13]
Timestamp: [8][7][4][ 9][5][6][ 3][ 2]
Current time : 10

Write a function cache to simulate memory access on a cache with 8 slots, and a main memory of arbitrary large size. You may assume that all requested items are in the main memory and the initial state of the cache is all empty. The input is a tuple that contains series of positive numbers which represent the items required. Your function should return the total time required for all operations (in ns), given that the cache is initially empty. Recall that a cache hit takes 20ns, and a cache miss takes 100ns.

Example:

>>> cache((5,24))
200
>>> cache((5,24,3,10))
400

The following is always true about this exercise:

The loaded item is specified by an integer between 1 to 9999 (inclusive).

The item number may not be loaded in sequence (for example, item 1 is not always loaded before item 2) - this is demonstrated in the sample runs below.

def cache(slots):
pass # Fill in your code here


Test Cases:

cache((19, 21, 3, 10, 7)) 500
cache((100, 300, 200, 300, 100)) 340
cache((3, 51, 24, 12, 3, 7, 51, 8, 90, 10, 5, 24)) 1040
cache((24, 5)) 200

Answers

Answer 1

One possible implementation of the cache function:

The Python Code

def cache(requests):

   cache = [0] * 8

   timestamps = [0] * 8

   current_time = 0

   total_time = 0

   for request in requests:

       # check if the requested item is in the cache

       if request in cache:

           hit_index = cache.index(request)

           current_time += 1

          timestamps[hit_index] = current_time

           total_time += 20

       else:

          current_time += 1

           total_time += 100

           # check if the cache is full

           if 0 in cache:

               empty_index = cache.index(0)

               cache[empty_index] = request

              timestamps[empty_index] = current_time

           else:

               lru_index = timestamps.index(min(timestamps))

               cache[lru_index] = request

               timestamps[lru_index] = current_time

   return total_time

The cache function takes in a tuple of requests and simulates memory access on a cache with 8 slots and a main memory of arbitrary large size.

The function keeps track of the contents of the cache and the last time each item was used (timestamps) as well as the current time.

For each request, the function first checks if the requested item is in the cache (cache hit) and if so, updates the timestamp of the item and adds 20ns to the total time.

If the item is not in the cache (cache miss), the function first adds 100ns to the total time.

If there is an empty slot in the cache, the function puts the requested item in the first empty slot and updates its timestamp.

If the cache is full, the function replaces the least recently used item with the requested item and updates its timestamp.

Finally, the function returns the total time required for all operations.

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Related Questions

What do we mean when we say a computer runs on a Linux platform?​

Answers

It means that the computer is running on a Linux / Linux based operating system

Questions and Answers and answer the following:
Please do not copy search and your own idea.

1. TELL ME ABOUT YOURSELF.
2. WHAT IS YOUR GREATEST STRENGTH?
3.) WHAT IS YOUR GREATEST WEAKNESS?
4.) HOW MANY HOURS DO YOU NORMALLY WORK
PER WEEK?
5.) WHAT IS YOUR AMBITION?
6.) WHAT ARE YOUR SALARY EXPECTATIONS?
7.) WHEN WAS THE LAST TIME YOU WERE ANGRY?
WHAT HAPPENED?
8.) WHY DO YOU WANT THIS JOB?

Answers

1. My name is (name) and I am (age) years old. I am (height) and I weigh (amount that you weigh)
2. My greatest strength is my confidence.
3. My greatest weakness is my Attitude.
4. I usually work from 8:00 to 1:00 per week.
5. I expect 17,500 (currency)
6. The last time I was angry is when my previous (ex) boss told me I got the job then let me go a week later.
7. I want this job because I find interest within it, and it’s well paying.

2) Describe the output produced by this poorly indented program segment:
int number = 4;
double alpha = -1.0;
if (number > 0)
if (alpha > 0)
printf("Here I am! \n" );
else
printf("No, I’m here! \n");
printf(“No, actually, I’m here! \n");

Answers

The output produced by this program segment is:

"Here I am!"

"No, actually, I'm here!"

The first "if" statement checks if the value of "number" is greater than 0, which it is, so the second "if" statement is executed.

The second "if" statement checks if the value of "alpha" is greater than 0, which it is not, so the "else" statement is executed.

Then, the final printf statement is executed regardless of the outcome of the if-else statement.

It should be noted that the poor indentation of the code can be confusing and make it difficult to understand the control flow of the program.

What role can technology play in preparing you for college and a career? What about in your daily life? Can you think of ways that technology can promote life-long learning?

Answers

Technology can play a huge role in preparing a person for college and a career.

How might technology help you get ready for college and the workforce?Technology can play an important role in preparing you for college and a career by providing access to resources such as online courses, tutorials, and career-focused websites. Technology can also help students stay organized and manage their academic and professional responsibilities. t can provide access to a range of information and resources that can help students better understand their fields of study and career options. In daily life, technology can be used to stay connected with friends and family, keep up with current events, and explore new topics and interests. Additionally, technology can promote life-long learning by providing access to educational videos, podcasts, and ebooks, as well as interactive learning tools.Technology can provide access to resources such as online courses and tutorials to help an individual gain the knowledge and skills needed for success in college and the workplace. Technology can also provide access to job postings and career advice, as well as networking opportunities.In an individual's daily life, technology can be used to manage finances, keep track of goals, and store important documents or notes. It can also be used to keep up with research and news related to one's field or profession. Technology can also be used to create and access learning opportunities, such as online lectures, podcasts, and even virtual field trips.Technology can also provide access to a variety of resources that can help foster life-long learning, such as online databases, webinars, and libraries. Ultimately, technology can provide a powerful tool to help individuals reach their career and personal goals.

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Which of the following loops (if any) display the numbers 1 through 5 (inclusive)? Assume that Console.Write() outputs information to a console window without a newline character

Answers

Answer:

Explanation:

for (int i = 1; i <= 5; i++)

{

   Console.Write(i);

}

You develop and deploy an Azure App Service web app. The web app accesses Azure SQL Database data that is secured with an Azure Active Directory (Azure AD) conditional access policy. The applied policy controls access based on the network location of the user.

Answers

To develop and deploy an Azure App Service web app that accesses Azure SQL Database data secured with an Azure AD conditional access policy, you would need to take the following steps:

What are the steps?Create an Azure App Service web app in the Azure portal.Configure the web app to connect to an Azure SQL Database that is secured with an Azure AD conditional access policy. This can be done by setting up a connection string in the web app's configuration settings that includes the database server name, database name, and Azure AD credentials.Deploy the web app to the Azure App Service by publishing the code from a local development environment or by using a continuous deployment pipeline.Configure the Azure AD conditional access policy to control access to the Azure SQL Database based on the network location of the user. This can be done by setting up a policy that requires users to be coming from a specific IP range or network location in order to access the database.Test the web app and Azure AD conditional access policy to ensure that the web app is able to access the Azure SQL Database only when the user is coming from an allowed network location.

Therefore, It's important to keep in mind that this is a high-level overview of the steps involved, and that additional configuration and setup may be required depending on the specific requirements of your project.

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Which component of data-driven business values does adding new features fall into?

Answers

Answer:

What Does Data-Driven Mean?

Taking risks in business often pays off, but this does not mean that companies should pursue opportunities blindly. Enter the data-driven approach. What does data-driven mean? Data-driven describes a strategic process of leveraging insights from data to identify new business opportunities, better serve customers, grow sales, improve operations and more. It allows organizations to use evidence-based data to make decisions and plan carefully to pursue business objectives.

A data-driven decision is based on empirical evidence, enabling leaders to take informed actions that result in positive business outcomes. The opposite of a data-driven process is to make decisions based solely on speculation. For data-driven business leaders, listening to their gut may be part of their decision-making process, but they only take specific actions based on what the data reveals.

Business leaders in data-driven organizations understand the benefits of relying on data insights to make wise business moves. As MicroStrategy reports based on results from a McKinsey Global Institute study, data-driven businesses are 20-plus times more likely to acquire new customers and six times more likely to keep them. Those leaders, however, must be able to rely on knowledgeable data professionals and technology tools that can uncover the value in the data. Data professionals can also provide insights into the best ways to collect, store, analyze and protect valuable business data.

Explanation:

Suppose your team is finishing a project and the supervisor stresses ensuring the material cannot be erased. To what memory level is your supervisor referring?

write-only
read-only
random-access
secure-access

Answers

Answer:

read-only

Explanation:

It is likely that your supervisor is referring to the "read-only" memory level, as this would prevent the material from being erased or modified.

user_num = int(input()) # Program will be tested with values: 1, 2, 3, 4. if user_num = 2: print('Num is not two') else: print('Num is two')

Answers

Answer:

user_num = int(input())

if user_num == 2:

   print('Num is two')

else:

   print('Num is not two')

In this code, the first line prompts the user to enter a value, which is then converted to an integer and assigned to the variable "user_num". Next, the code checks if the value of "user_num" is equal to 2 using an if-else statement. If the value is 2, it prints "Num is two." If the value is anything other than 2, it prints "Num is not two."

Explanation:

This code defines a variable "user_num" and assigns it the value entered by the user, which is converted to an integer. Then, it checks if the value of "user_num" is equal to 2. If it is, it prints "Num is two." If not, it prints "Num is not two." The program will be tested with the values 1, 2, 3, and 4.

A model often used when creating a program that begins with the overall task and refines it into smaller subtasks is a(n)

Answers

A model often used when creating a program that begins with the overall task and refines it into smaller subtasks is a(n) hierarchy chart.

What is hierarchy chart?

Hierarchy chart is a type of diagram that shows the hierarchical structure of a system or organization. It is used to represent the relationships between different components of a system or organization, and can be used to show the flow of control within a program.

A flowchart is a type of diagram that represents an algorithm, workflow or process, showing the steps as boxes of various kinds, and their order by connecting these with arrows. It is commonly used in the design of a program to visually represent the logic and flow of control in the program.

Lastly, UML diagram (Unified Modeling Language) is a type of diagram that is used to represent the structure and behavior of a software system, but it's not focused on the flow of control.

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See full question below

A model often used when creating a program that begins with the overall task and refines it into smaller subtasks is a(n)

flowchart

UML diagram

blueprint

hierarchy chart

None of these

Which titles fits this Venn diagram best?

Answers

A Venn diagram is a visual representation of the comparison between two or more sets of data.

Which titles best describe this Venn diagram?It typically consists of two or more overlapping circles that represent the different sets of data.The area of overlap between the circles represents the common characteristics of the two sets of data.The titles that best fit this Venn diagram would be: “The Overlap of Two or More Sets of Data”, or “Comparing Two or More Sets of Data”.These titles accurately describe the purpose of the diagram and accurately describe the circles and what they represent.Additionally, these titles are concise, which is important when titling a diagram as it should succinctly describe the diagram’s purpose.The Venn diagram is a valuable tool for visually representing the comparison between two or more sets of data.By using a Venn diagram, it is easier to identify the similarities and differences between the different sets of data.By using the titles “The Overlap of Two or More Sets of Data” or “Comparing Two or More Sets of Data”, the reader can quickly understand the purpose of the diagram and the comparison that it is making.

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Company A acquired Company B and they realize that their standard security policy documents do not match. They escalate this issue to the company’s central Security team, who implements a plan to formalize security strategy, high-level responsibilities, policies and procedures around security of both companies.

Which security principle is illustrated in this example?

Answers

A typical definition of governance is an oversight function. Simply said, it is a technique used by businesses to control and manage business risks.

What is meant by governance ?

For the smooth operation of the business and to reduce risk, a firm may utilize a variety of security principles.

In this case, governance is the security principle that is being demonstrated.

The term "oversight role" is frequently used to define governance. Simply said, it's a method by which businesses control and manage business risks.

The regulatory agencies' examination of corporate governance is intense, and shareholder activism is very high. Governance concerns are closely examined by company boards and leadership teams.

In conclusion, the corporate governance process of a firm makes use of components like enterprise risk management, important policies, and the definition and dissemination of corporate control to demonstrate effective governance.

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A company is struggling to keep track of its transactional information, sales, opportunities, and conduct effective marketing campaigns. Which platform is designed to help the company with this scenario

Answers

Answer:

Brainly application which will help student to learn different lesson


Which of the following is not a library that is included with Windows 7?

Answers

Answer:

(Option c) Programs is not a default library in Windows 7.

In Windows 7 there are 6 default libraries, i.e. Documents, Saved Pictures, Music, Pictures, Camera Roll, and Videos. The program is not there.

Explanation:

According to the information, Program is not a default library that is included with Windows 7.

What is a library in windows?

Libraries are collections of folders and files on your computer gathered together from various locations across your computer and network (where applicable). Libraries are accessible via the Navigation pane in Windows Explorer.

A  library in a windows computer system is a collection of folders and files which are spread across any personal computer or network in multiple locations. In Windows 7, there are 6 default libraries, i.e. Documents,  Saved Pictures, Music, Pictures, Camera Roll,  and Videos.

Therefore, the program is not a default library that is included with Windows 7.

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Your question seems incomplete. The most probable complete question is as follows:

Which of the following is not a library that is included with Windows 7?

DocumentsMusicProgramsVideos

A company plans to deploy a non-interactive daemon app to their Azure tenant.

The application must write data to the company’s directory by using the Directory.ReadWrite.All permission. The application must not prompt users for consent.

You need to grant the access required by the application.

Which permission should you use?

Select only one answer.

admin-restricted

delegated

application

effective

Answers

Since the application must write data to the company’s directory by using the Directory.ReadWrite.All permission. The permission that you should use is option C: application

What is the permission about?

In order for the non-interactive daemon app to write data to the company's directory without prompting users for consent, it must be granted "application" permissions.

This type of permission allows an application to access the directory on behalf of the signed-in user, without the user's interaction. "Directory.ReadWrite.All" is an example of an application permission that would allow the app to write data to the company's directory.

Therefore, It's important to note that application permissions must be consented to by an administrator and are not available for delegation.

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Write the SQL to create a Product table with the following columns:

ID - Unsigned integer
Name - Variable-length string with maximum 40 characters
ProductType - Fixed-length string with maximum 3 characters
OriginDate - Year, month, and day
Weight - Decimal number with six significant digits and one digit after the decimal point

Place your CREATE TABLE statement before the INSERT and SELECT statements. Run your solution and verify the result table contains the three inserted rows.

-- Write your CREATE TABLE statement here:

INSERT INTO Product (ID, Name, ProductType, OriginDate, Weight) VALUES
(100, 'Tricorder', 'COM', '2020-08-11', 2.4),
(200, 'Food replicator', 'FOD', '2020-09-21', 54.2),
(300, 'Cloaking device', 'SPA', '2019-02-04', 177.9);

SELECT *
FROM Product;

Answers

The SQL to create a Product table with the following columns is written below.

What is SQL?

Structured Query Language (SQL) is a computer language that is used to manage relational databases and execute various operations on the data contained inside them.

Error 1 : comma was not applied after Date column

Error 2 : Unsigned keyword should be after integer

Product Type CHA-R(3),

originate DATE,

Weight DECIMAL (6, 1)

Product Type CHA-R(3),

originate DATE,

Weight DECIMAL (6, 1)

Query 1 :

CREATE TABLE Product(

ID int,

);

Query 2 :

CREATE TABLE Product(

ID in-t unsigned,

Therefore, the errors and queries in SQL are written above.

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Describe an example of how you used your proficiency in computer technology and programs, such as those in the Microsoft Office Suite or similar programs, to collect, interpret, and/or analyze data. Comment on the technology you used and how your skill with the program helped to solve a problem.*

Answers

As an IT student, I used Excel to analyze survey data for a class project. My proficiency in Excel's data analysis tools under Microsoft office which helped me to quickly identify patterns and trends in the responses, which led to valuable insights for our team

What is Computer Technology?

Computer is defined as any goal-oriented activity that requires, benefits from, or creates computing machinery. It entails the investigation and testing of algorithmic processes, as well as the creation of hardware and software. Computing incorporates scientific, engineering, mathematical, technical, and social elements.

The following are four instances of computer technology:

Telecommunications devices (such as telephones), information kiosks, and transaction machines are examples of information and computer technology (ICT).Websites on the internet.Office equipment such as copiers and fax machines are examples of multimedia.

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The response of an electrical circuit can be describe by V = BERC Please notice that this is very similar to the equation y=Ae^-x We will call this the simple form Let y=V A=B e = Eulers number = 2.7183 -x=-t/RC In the last substitution, "R" and "C" are constant, and "t" is the variable of time. Now, re-arrange the 'simple' form, solving for A A=y/ex Next, substitute the values as required, they are shown above. Use the equation editor to show the equation for B. Once you create the text box to display the equation, solve for ß using Excel See the example if you need some help on the calculation for e^-x Calculate ß if V = 10 V, R = 220 , C = 0.0056 F, and t = 0.25 s. Remember to use cell references and arithmetic operators in the reference cell​

Answers

Answer:

The equation for Beta is B = V/(e^-(-t/RC)) = 10/(2.7183^((-0.25)/(220*0.0056))) = 879.1.

Explanation:

The reason for this is that Beta describes the response of the electrical circuit, which is governed by the values of resistance, capacitance, and time. By rearranging our equation, we can calculate the value of Beta based on these values, which will enable us to accurately predict the response of the circuit.

Assume that the list of numbers nums has more than 10 elements. The program below is intended to compute
and display the sum of the first 10 elements of nums.
Line 1: i ← 1
Line 2: sum ← 0
Line 3: REPEAT UNTIL (i > 10)
Line 4: {
Line 5: i ← i+1
Line 6: sum ← sum + nums[i]
Line 7: }
Line 8: DISPLAY (sum)

Answers

This program has an off-by-one error in the indexing of the nums list.

How to identify the error?

On line 6, nums[i] should be nums[i-1] since the indices of a list in most programming languages start from 0.

As a result, the program will sum the wrong elements in the nums list, and display an incorrect value for the sum.

To correct the off-by-one error, line 6 should be changed from:

sum ← sum + nums[i]

to:

sum ← sum + nums[i-1]

This way, the program will correctly access the elements of the nums list and compute the sum of the first 10 elements.

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write the c++ program of the following out put
*
**
***
****
*****​

Answers

#include
using namespace std;

int main() {
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= i; j++) {
cout << "*";
}
cout << endl;
}
return 0;
}

How to add commas in the list of numbers in a list python?

The list is very large to manually add commas in the list.

Answers

Answer: Here are two ways you can do it.

Explanation:

One way to add commas in a list of numbers in Python is to use the 'join()' method.

Here is an example:

numbers = [1, 2, 3, 4, 5]

print(', '.join(map(str, numbers)))

This will output: "1, 2, 3, 4, 5"

Another way is to use list comprehension to create a new list of numbers with commas between them as following:

numbers = [1, 2, 3, 4, 5]

comma_separated_numbers = [str(number) + ", " for number in numbers]

print("".join(comma_separated_numbers)[:-2])

This will also output: "1, 2, 3, 4, 5"

You can use either way that you think is more elegant and readable for your use case.

In this : You can use the 'join()' method to add commas in between each number in the list. Here is an example:

list = [72, 3, 93, 94, 57, 54, 89, 46, 9, 61, 14, 2, 56, 65, 76, 10, 7, 51, 70, 71, 37, 28, 38, 16, 11, 33, 24, 95, 75, 20, 45, 55, 58, 5, 73, 26, 21, 62, 41, 19, 1, 32, 39, 96, 98, 79, 12, 23, 47, 88, 85, 90, 99, 52, 81, 4, 86, 91, 53, 97, 67, 43, 44, 22, 49, 17, 69, 68, 34, 59, 78, 84, 64, 66, 80, 92, 100, 82, 48, 77, 31, 25, 42, 30, 6, 87, 74, 29, 35, 60, 50, 8, 13, 63, 15, 36, 83, 18, 27, 40]

print(', '.join(map(str, list)))

This will output: "72, 3, 93, 94, 57, 54, 89, 46, 9, 61, 14, 2, 56, 65, 76, 10, 7, 51, 70, 71, 37, 28, 38, 16, 11, 33, 24, 95, 75, 20, 45, 55, 58, 5, 73, 26, 21, 62, 41, 19, 1, 32, 39, 96, 98, 79, 12, 23, 47, 88, 85, 90, 99, 52, 81, 4, 86, 91, 53, 97, 67, 43, 44, 22, 49, 17, 69, 68, 34, 59, 78, 84, 64, 66, 80, 92, 100, 82, 48, 77, 31, 25, 42, 30, 6, 87, 74, 29, 35, 60, 50, 8, 13, 63, 15, 36, 83, 18, 27, 40"

You could also use list comprehension to create a new list of numbers with commas between them as following:

comma_separated_numbers = [str(number) + ", " for number in list]

print("".join(comma_separated_numbers)[:-2])

This will also output: "72, 3, 93, 94, 57, 54, 89, 46, 9, 61, 14, 2, 56, 65, 76, 10, 7, 51, 70, 71, 37, 28, 38, 16, 11, 33, 24, 95, 75, 20, 45, 55, 58, 5, 73, 26, 21, 62, 41, 19, 1, 32, 39, 96, 98, 79, 12, 23, 47, 88, 85, 90, 99, 52, 81, 4, 86, 91, 53, 97, 67, 43, 44, 22, 49, 17, 69, 68, 34, 59, 78, 84, 64, 66, 80, 92, 100, 82, 48, 77, 31, 25, 42, 30, 6, 87, 74, 29, 35, 60, 50, 8, 13, 63, 15, 36, 83, 18, 27, 40"

You can use either way that you think is more elegant and readable for your use case.

Code to be written in python:
Correct answer will get brainliest! :)

For any positive integer S, if we sum up the squares of the digits of S, we get another integer S1. If we repeat the process, we get another integer S2. We can repeat this process as many times as we want, but it has been proven that the integers generated in this way always eventually reach one of the 10 numbers 0, 1, 4, 16, 20, 37, 42, 58, 89, or 145. Particularly, a positive integer S is said to be happy if one of the integers generated this way is 1. For example, starting with 7 gives the sequence {7, 49, 97, 130, 10, 1}, so 7 is a happy number.


Your task is to write a function compute_happy_numbers(range1, range2) , where range1 and range2 are each tuples of the form (lower_bound, upper_bound), and returns a tuple containing: (1) the number of happy numbers in range1, (2) the number of happy numbers in range2, (3) the number of the range (1 or 2) containing more happy numbers, or None if both ranges have the same number of happy numbers.

def compute_happy_numbers(range1, range2):
"""Your code here"""

Test Cases:
compute_happy_numbers((1,1), (1,1))
(1, 1, None)
compute_happy_numbers((1, 10), (11, 100))
(3, 17, 2)

Answers

A possible implementation of the compute_happy_numbers function is given below:

The Python Code

def compute_happy_numbers(range1, range2):

   def is_happy(n):

       seen = set()

       while n not in seen:

           seen.add(n)

           n = sum(int(d)**2 for d in str(n))

      return n == 1

   happy_numbers_range1 = sum(is_happy(n) for n in range(range1[0], range1[1] + 1))

   happy_numbers_range2 = sum(is_happy(n) for n in range(range2[0], range2[1] + 1))

   if happy_numbers_range1 > happy_numbers_range2:

       return (happy_numbers_range1, happy_numbers_range2, 1)

   elif happy_numbers_range1 < happy_numbers_range2:

      return (happy_numbers_range1, happy_numbers_range2, 2)

   else:

       return (happy_numbers_range1, happy_numbers_range2, None)

This function first defines a helper function is_happy(n) that returns True if the number n is a happy number and False otherwise.

This helper function uses a set to keep track of the numbers in the sequence generated by summing the squares of the digits and returns True if it reaches the number 1, and False if it reaches a number it has already seen, indicating that it is in a loop.

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write a psuedocode to accept 3 numbers and display the largest number​

Answers

Answer:

Explanation:

START

   Declare variables num1, num2, num3

   Input num1, num2, num3

   If num1 > num2 and num1 > num3

       Display num1

   Else if num2 > num1 and num2 > num3

       Display num2

   Else

       Display num3

END

In the url shown below, bbc is a blank domain. It indicates that the website blank

Answers

Answer:

What is the purpose of the domain name? The domain name government website. is an example of a service provider. The domain name.gov.nz is an example of a(blank).

Explanation:

Answer:

BBC is a Second-level domain.

It indicates that the website is operated by an organization called the BBC

Explanation:

I took the edmentum quiz and got it right. Hope this helps!

Write a java program that takes as input an integer below 100, then prints the Fibonacci of this number.
Fibo(n)= n*(n-1)*(n-2)*…..2*1.

Answers

Java program:

import java.util.Scanner;

public class Fibonacci {

 public static void main(String[] args) {

   Scanner input = new Scanner(System.in);

   System.out.print("Enter an integer below 100: ");

   int n = input.nextInt();

   int fibo = 1;

   for (int i = n; i > 1; i--) {

     fibo *= i;

   }

   System.out.println("The Fibonacci of " + n + " is " + fibo);

 }

}

In this program, the user is prompted to enter an integer below 100 using the Scanner class. The input is then stored in the variable "n". A for loop is used to calculate the Fibonacci of the input number by iterating from the input number to 1, and multiply each number. The final result is stored in the variable "fibo" and is printed out.

Please note that the program you provided calculates the factorial of the input number and not the Fibonacci number. fibo(n) = n*(n-1)(n-2).....2*1 is the mathematical representation for the factorial of the number n.

If you want to calculate the Fibonacci number of the input, it should be:

import java.util.Scanner;

public class Fibonacci {

 public static void main(String[] args) {

   Scanner input = new Scanner(System.in);

   System.out.print("Enter an integer below 100: ");

   int n = input.nextInt();

   int fibo1 = 0, fibo2 = 1, fibonacci = 0;

   for (int i = 1; i <= n; i++) {

     fibonacci = fibo1 + fibo2;

     fibo1 = fibo2;

     fibo2 = fibonacci;

   }

   System.out.println("The Fibonacci of " + n + " is " + fibonacci);

 }

}

In this program, it uses the fibonacci series algorithm to calculate the Fibonacci of the input number.

Please keep in mind that this is just one example of a program to calculate the Fibonacci of a number, and there are many other ways to write this program depending on the requirements.

Print "user_num1 is negative." if user_num1 is less than 0. End with newline.
Assign user_num2 with 3 if user_num2 is greater than 9. Otherwise, print "user_num2 is less than or equal to 9.". End with newline.

Answers

The code to use are:

user_num1 = -5

if user_num1 < 0:

   print("user_num1 is negative.")

user_num2 = 12

if user_num2 > 9:

   user_num2 = 3

else:

   print("user_num2 is less than or equal to 9.")

What is the code about?

In a programming language such as Python, you can use the following code:

user_num1 = -5

if user_num1 < 0:

   print("user_num1 is negative.")

Therefore, In this example, the variable "user_num1" is set to -5, which is a negative number. The "if" statement checks if the value of "user_num1" is less than 0, and if it is, the statement "user_num1 is negative." will be printed.

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a timeline detailing the history of scientific thinking

Answers

The timeline detailing the history of scientific thinking are:

Around 1600 BC, an extraordinary ancient Egyptian manuscript known as the Edwin Smith Papyrus gives physicians useful and unbiased guidance on how to examine, diagnose, treat, and predict wounds and illnesses. It shows that medicine was being practiced in ancient Egypt as a science that could be measured. Thales of Miletus elevates the study of nature from the level of legendary research to that of scientific investigation between 624 and 548 BC. [3]Anaximander, a Greek philosopher who lived between 610 and 547 BC, is the first to employ maps and models in extending the concept of law beyond human society to the physical world

When did scientific thought begin?

Everyone is aware of the origins of science; according to Aristotle, natural phenomena were first studied by Ionian philosophers Thales, Anaximander, and Anaximenes in the sixth century. But since the Renaissance, science has relied heavily on theory along with experiment and observation.

Therefore,  Scientific Inquiry and Thinking. Asking questions, testing hypotheses, making observations, spotting patterns, and drawing conclusions are all examples of deliberate information searching that is involved in scientific thinking. (Morris et al., 2012; Kuhn, 2002)

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We would like the set of points given in the following figure into 1D space. The set of points has been
generated using this instruction [X, y = make_moons(n_samples = 100)], where X are the 2D features
and y are the labels(blue or red).
How to do that while keeping separable data point with linear classification? Give the
mathematics and the full algorithm.
How to apply the SVM algorithm on this data without dimension reduction? Give the
mathematics and full algorithm.

Answers

One way to project the 2D data points onto a 1D space while preserving linear separability is through the use of a linear discriminant analysis (LDA) technique. LDA finds the linear combination of the original features that maximizes the separation between the different classes.

What is the mathematics  in SVM algorithm?

The mathematics behind LDA involve finding the eigenvectors of the within-class scatter matrix and the between-class scatter matrix and selecting the eigenvector that corresponds to the largest eigenvalue. The full algorithm for LDA can be outlined as follows:

Compute the mean vectors for each class

Compute the within-class scatter matrix (SW) and the between-class scatter matrix (SB)Compute the eigenvectors and eigenvalues of the matrix (SW⁻¹SB)Select the eigenvector that corresponds to the largest eigenvalue as the linear discriminantProject the original data onto the new 1D space using the linear discriminant

Regarding the SVM algorithm, it can be applied directly to the original 2D data without the need for dimension reduction. The mathematics behind SVM involve finding the hyperplane that maximizes the margin, or the distance between the closest data points of each class, while also ensuring that the data points are correctly classified.

The full algorithm for SVM can be outlined as follows:

Select a kernel function (e.g. linear, polynomial, radial basis function)Train the model by solving the optimization problem that maximizes the marginUse the trained model to classify new data points by finding the hyperplane that separates the different classesIt is important to note that, in case of non-linearly separable data, SVM algorithm uses the kernel trick to map the original data into a higher dimensional space, where the data is linearly separable.

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You plan to to provision the following resource in Azure App Configuration:

AppName:Region1:DbEndpoint

AppName:region1:dbendpoint

Key = AppName:Service1:ApiEndpoint

Key = AppName:Service1:ApiEndpoint & Label = \0

Key = AppName:Service1:ApiEndpoint & Label = QA
How many unique keys will be stored in Azure App Configuration?

Select only one answer.

2

3

4

5

Answers

The numbers of unique keys that will be stored in Azure App Configuration is option B; 3

What is the Azure App Configuration  about?

You are planning to provision the following keys:

AppName:Region1:DbEndpoint

AppName:Service1:ApiEndpoint & Label = \0

AppName:Service1:ApiEndpoint & Label = QA

Each key is unique and will be stored in Azure App Configuration.

The first key, "AppName:Region1:DbEndpoint" is used to store the endpoint of the database for the app in the Region1.The second key, "AppName:Service1:ApiEndpoint & Label = \0" is used to store the endpoint of the Api for the app in Service1 with label \0.The third key, "AppName:Service1:ApiEndpoint & Label = QA" is used to store the endpoint of the Api for the app in Service1 with label QA.

Therefore, It is important to keep in mind that keys are case-sensitive, so you should make sure that the key names are spelled correctly and are case-sensitive.

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A file "text.csv" contains the following:

Hello, World!
Welcome to Python.

How many lines would get printed by the following code?

import csv
with open("text.csv") as csvfile:
text = csv.reader(csvfile, delimiter = ",")
for line in text:
print(line)

1
2
5
31

Answers

Answer:

2 lines would get printed by this code.

The code imports the csv module, opens a file called "text.csv" and assigns it to the variable csvfile, and then uses the csv.reader() method to read the file. It sets the delimiter as a ",". Then, it iterates through the lines of the file using a for loop and for each line it prints it. Since the file contains only two lines "Hello, World!" and "Welcome to Python." the code will only print these two lines.

Explanation:

2 lines would get printed by this code.

The code imports the csv module, opens a file called "text.csv" and assigns it to the variable csvfile, and then uses the csv.reader() method to read the file. It sets the delimiter as a ",". Then, it iterates through the lines of the file using a for loop and for each line it prints it. Since the file contains only two lines "Hello, World!" and "Welcome to Python." the code will only print these two lines.

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