list four pointing devices and describe the four pointing devices ​

Answers

Answer 1

Answer:

Common pointing devices

Mouse.

Trackball.

Joystick.

Pointing stick.

Explanation:

Hope this helps


Related Questions

what document is an excellent reference for security managers involved in the routine management of information security?

Answers

The "Information Security Management System" (ISMS) is an excellent reference for security managers involved in the routine management of information security. This is a standard that details the necessary requirements for an information security management system (ISMS) that complies with global information security best practices.

The ISMS is a framework for managing and protecting the confidentiality, integrity, and availability of sensitive information. It is based on the risk management framework, which involves assessing risks, implementing controls, and monitoring and reviewing the effectiveness of the controls. In the ISMS, security managers have access to a set of policies, procedures, and guidelines that provide a comprehensive approach to information security management.

Hence, Information Security Management System (ISMS) is an excellent reference for security managers involved in the routine management of information security. The ISMS provides a comprehensive approach to information security management, including policies, procedures, and guidelines. It details the necessary requirements for an information security management system that complies with global information security best practices and is based on the risk management framework. The ISMS is a framework for managing and protecting the confidentiality, integrity, and availability of sensitive information.

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write a single C program that will:
1. Have a major processing loop that will ask the user if they
want to go again and stay in the loop until they ask to quit.
2. Will ask the user if they want to create a file (your choice as to
the filename) and if so,
create a file with 100 random numbers (from 1 - 100) in it. The file create operation must then close the file.
3. Will ask the user if they want to process the file and if so,
the program will open the file,
read the numbers from the file and find the average of the numbers, the biggest and the smallest numbers,
close the file and then report the average and the biggest and smallest numbers.
4. Programming note: the program must have error checking to ensure
that the file was successfully opened before writing to or reading from it.
If you use functions for the create File and process File operations, you
may use Global variables.

Answers

The below given is the code in C which will have a major processing loop that will ask the user if they want to go again and stay in the loop until they ask to quit:

```#include #include #include #define FILE_NAME "random_number_file.txt"FILE* fp;int createFile();int processFile();int main() { int opt = 1; while (opt) { printf("\nPlease choose the following options:\n0: Quit\n1: Create File\n2: Process File\n"); scanf("%d", &opt); switch (opt) { case 0: printf("Exiting the program..."); break;

case 1: createFile(); break;

case 2: processFile(); break; default: printf("Invalid option. Try again.\n"); } } return 0;} ```

The above code will ask the user if they want to create a file (your choice as to the filename) and if so, create a file with 100 random numbers (from 1 - 100) in it. The file create operation must then close the file.```int

create File() { int count = 0, number = 0; fp = fopen (FILE_NAME, "w"); if (fp == NULL) { printf("Unable to create file.\n"); return 0; } srand((unsigned int) time(NULL)); for (count = 0; count < 100; count++) { number = rand() % 100 + 1; fprintf(fp, "%d\n", number); } fclose(fp); printf("File created successfully!\n"); return 1;}```

The above code will ask the user if they want to process the file and if so, the program will open the file, read the numbers from the file and find the average of the numbers, the biggest and the smallest numbers, close the file and then report the average and the biggest and smallest numbers.

```int processFile() { int count = 0, number = 0, total = 0, max = 0, min = 101; float avg = 0; fp = fopen(FILE_NAME, "r"); if (fp == NULL) { printf("Unable to read file.\n"); return 0; } while (fscanf(fp, "%d", &number) != EOF) { count++; total += number; if (number > max) max = number; if (number < min) min = number; } if (count == 0) { printf("File is empty.\n"); fclose(fp); return 0; } avg = (float) total / count; fclose(fp); printf("Average: %.2f\n", avg); printf("Maximum number: %d\n", max); printf("Minimum number: %d\n", min); return 1;}```

The above code will have error checking to ensure that the file was successfully opened before writing to or reading from it. It is also using Global variables for create File and process File operations. Hence the required code is given.

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A
is a document that thanks an interviewer and restates an applicant's interest in the job.
a. thank-you letter
D. letter of acceptance
c. rejection letter

Answers

Answer: D. thank you letter

Explanation:

Optimizing a network to handle more traffic by adding new specialized software is an example of ______ scaling. Adding additional nodes to a network is an example of _________ scaling.

Answers

Answer:vertical and horizontal

Explanation:

Answer:

Horizontal and then Vertical

Explanation:

See if you can figure out what these tricky brain teasers are trying to say. *
THAN life

Answers

“THAN life”,, I’m pretty sure it means Bigger than Life. But If i’m wrong.. I’m sorry!

how to install windows 11 on unsupported processor

Answers

Answer: You can't, if you anyway bypass the system, your device will run on risk.

Suggestion: Use any Linux distro similar windows 11. Like - Ubuntu/ Linux Mint/ ElementaryOs.

(Suggestion is only for if you can't run windows 10 or the pre installed Operating System in your machine.)

Rebbeca has finished with the research and outline portion of her slide presentation. Now, the next logical step is to begin working on what part of her slide?

Answers

Answer:

The next step is creating the layout and template style

Explanation:

As we know that the power point presentation is used for preparing the slides  i.e. easy for the company to describe them by adding the images, videos with sounds.

As in the situation it is given that the Rebbeca completed with the portion of the research and outline now the next and logical step would be that she could create the layout and the style of the template so that it looks attractive to the audience

Therefore the above represents the answer  

Section 6.9 of your textbook ("Debugging") lists three possibilities to consider if a function is not working.

Describe each possibility in your own words.

Define "precondition" and "post-condition" as part of your description.

Create your own example of each possibility in Python code. List the code for each example, along with sample output from trying to run it.

Answers

Answer:

www.dso hellooo miaralo

How do I fix DirectX encountered an unrecoverable error in warzone?

Answers

To fix DirectX encountered an unrecoverable error in Warzone, you can follow the steps below:

1. Update DirectX

2. Reinstall DirectX

3. Update your Graphics Card Drivers

4. Disable Overlay Programs

5. Modify Game Settings

6. Disable Antivirus

7. Run the Game as Administrator

8. Disable V-Sync

A group of Windows components called DirectX enables software—most notably games—to communicate directly with your visual and audio hardware. Games that support DirectX may utilize the hardware's built-in multimedia accelerator capabilities more effectively, which enhances your entire multimedia experience. Many Windows games need the multimedia technology known as DirectX. Your game might not function correctly if your PC doesn't have the correct version of DirectX installed (the product packaging should specify which one you need).

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At a family reunion, your cousin takes a picture of both of you with her phone, orders a print of it, and mails it to you with a note apologizing for how weird it looks. You would use the word “bitmappy” instead of “weird” to describe the picture. Describe a situation that could have led to this problem. If you wanted to find information online that you could send to your cousin about how to avoid this problem, what are two or three keywords that you could use in your search?
Why is “less is more” such an important design principle, and why do so many people seem to want to violate this rule?

Answers

A bitmap is an image file format that can be used to create and store computer graphics. Weird means something strange or unusual.

What is the meaning of the phrase " less is more"?

Sometimes keeping things simple is preferable to making them complex or advanced. Simplicity is better than extensive adornment. He should not use a word such as 'weird' and  'bitmap' in the search.

The idiom is used to convey the idea that sometimes having less of something—a lesser amount of it—can be preferable to having more of it. That a straightforward strategy frequently outperforms a complex one.

Therefore, A bitmap is an image file format that can be used to create and store computer graphics. Weird means something strange or unusual.

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Which one of the following is not a distinction of turf grasses?a. Forms a contiguous communityb. Can withstand trafficc. Fixes atmospheric nitrogend. Tolerates frequent mowing

Answers

Turf grasses can withstand traffic, form a contiguous community, and tolerate frequent mowing, but they do not fix atmospheric nitrogen.

Option C. Fixes atmospheric nitrogen

Turf grasses are commonly used for landscaping purposes and are distinct from other grasses in that they are usually short in stature and can tolerate frequent mowing. These grasses typically form a contiguous community, can withstand traffic, and tolerate frequent mowing. However, turf grasses do not typically fix atmospheric nitrogen. This is a process through which certain plants, like legumes, are able to take nitrogen from the air and convert it into a form that can be used by other plants.

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Which of the following best describes the role of an SEO specialist?
O Integrates apps and data to provide an application that manages a company's relationships with customers.
O Employees who work in other locations or who telecommute
O Plans and designs software and apps that consider a user's reaction to a program and its interface.
O Writes and develops web content and layouts so that they will appear at the beginning of search results.

Answers

The role of an SEO specialist is best described as someone who writes and develops web content and layouts to optimize them for search engines, aiming for higher visibility and better ranking in search results. So, the fourth option is correct.

The primary objective of an SEO specialist is to drive organic traffic to a website by improving its search engine ranking.

SEO specialists employ various strategies and techniques to optimize web pages, including keyword research, on-page optimization, content creation, link building, and technical optimization.

They analyze website performance, conduct competitor research, and implement SEO best practices to improve the website's visibility in search engine results pages (SERPs).

By focusing on factors such as keyword relevance, content quality, website structure, and user experience, SEO specialists help websites attract more organic traffic, increase their online visibility, and reach a broader audience. They stay updated with search engine algorithms and industry trends to adapt their strategies accordingly.

While integrating apps and data, working remotely, and designing user interfaces are important roles in the digital realm, the specific role of an SEO specialist primarily revolves around optimizing website content and structure to enhance search engine visibility and drive organic traffic.

Their focus is on improving website visibility and increasing the chances of appearing at the beginning of search results for relevant queries.

So, the fourth option is correct.

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3. write a while loop that sums the values 1 through end, inclusive. end is a variable that we define for you. so, for example, if we define end to be 6, your code should print out the result:

Answers

This while loop adds the value of i to the total each time the loop runs. It starts at i = 1 and adds 1 to i each time until it reaches the value of end (6). The final result is printed, which in this case is 21.

total = 0
end = 6
i = 1
while i <= end:
 total += i
 i += 1
 print(total)

What is loop?

Looping is the process of repeating a set of instructions or statements within a program. It involves running the same code multiple times, with the output of one iteration becoming the input for the next. Loops are an incredibly powerful tool that allow us to iterate over data sets, automate processes, and create complex algorithms. Loops can be used to simplify solutions to complex problems, increase efficiency, and reduce code redundancy.

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What is the purpose of the central processing unit (CPU) in a computer?This task contains the radio buttons and checkboxes for options. The shortcut keys to perform this task are A to H and alt+1 to alt+9.
A

It provides electricity to the rest of the system.
B

It houses the main circuit board.
C

It performs the calculations and processing.
D

It stores the software and data

Answers

C: The CPU (Central Processing Unit.) Is the main way to perform tasks or calculations on a computer.

example of tools and components at home​

Answers

Answer:

SOLDER REMOVER

SOLDERING STATION

SOLDERING IRON

PRECISION SCREW DRIVER SET

1. Keisha is in her first semester of college and is taking 10 credit hours: ACA 122, CIS 110, PSY 150, and developmental math. She never tried very hard in high school but still managed to graduate with a 3.0 GPA. She's doing well in her classes, except for CIS 110 and PSY 150. Both regularly have multiple-chapter reading assignments. In PSY 150, she's failed her first test and all three of her quizzes. In CIS 110, she hasn't had a test yet, but she feels completely lost. She's frustrated with the classes. She blames her instructors for not teaching well and is thinking about dropping the classes. Based on this chapter, what advice would you give to Keisha to help her with her problems?

Answers

The advice is that she should not give up and that she should relax, and think of the time she comprehend more and then start to read. Another is to hire a private tutor to help or put her through.

What does a private tutor do?

A private tutor is known to be a person who is a specialist that has been trained in helping students known more and take in the concepts and details of any given course work.

Therefore, The advice is that she should not give up and that she should relax, and think of the time she comprehend more and then start to read. Another is to hire a private tutor to help or put her through and she will pass her exams in flying colors.

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Think of a binary communication channel. It carries two types of signals denoted as 0 and 1. The noise in the system occurs when a transmitted 0 is received as a 1 and a transmitted 1 is received as a 0. For a given channel, assume the probability of transmitted 0 correctly being received is 0.95 = P(R0 I T0) and the probability of transmitted 1 correctly being received is 0.90 = P(R1 I T1). Also, the probability of transmitting a 0 is 0.45= P(T0). If a signal is sent, determine the
a. Probability that a 1 is received, P(R1)
b. Probability that a 0 is received, P(R0)
c. Probability that a 1 was transmitted given that a 1 was received
d. Probability that a 0 was transmitted given that a 0 was received
e. Probability of an error

Answers

The probability that a 1 is received, P(R1), is 0.1.The probability that a 0 is received, P(R0), is 0.55.The probability that a 1 was transmitted given that a 1 was received is 0.8182 (approximately).The probability that a 0 was transmitted given that a 0 was received is 0.8936 (approximately).The probability of an error is 0.1564 (approximately).

In a binary communication channel, we are given the probabilities of correctly receiving a transmitted 0 and 1, as well as the probability of transmitting a 0.

a. To determine the probability of receiving a 1, we subtract the probability of receiving a 0 (0.45) from 1, resulting in P(R1) = 1 - P(R0) = 1 - 0.45 = 0.55.

b. To determine the probability of receiving a 0, we use the given probability of transmitted 0 correctly being received: P(R0 I T0) = 0.95. Since P(R0 I T0) is the complement of the error probability, we have P(R0) = 1 - P(error) = 1 - 0.05 = 0.55.

c. The probability that a 1 was transmitted given that a 1 was received is determined using Bayes' theorem: P(T1 I R1) = (P(R1 I T1) * P(T1)) / P(R1). Substituting the given values, we have P(T1 I R1) = (0.9 * 0.55) / 0.55 = 0.9.

d. Similarly, the probability that a 0 was transmitted given that a 0 was received is determined using Bayes' theorem: P(T0 I R0) = (P(R0 I T0) * P(T0)) / P(R0). Substituting the given values, we have P(T0 I R0) = (0.95 * 0.45) / 0.55 = 0.8936 (approximately).

e. The probability of an error is calculated as the sum of the probabilities of receiving the incorrect signal for both 0 and 1: P(error) = 1 - P(R0 I T0) + 1 - P(R1 I T1) = 1 - 0.95 + 1 - 0.9 = 0.05 + 0.1 = 0.1564 (approximately).

In summary, we determined the probabilities of receiving 1 and 0, the conditional probabilities of transmitted signals given the received signals, and the probability of an error for the given binary communication channel.

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a student considers upgrading but has many custom drivers and hardware in their rig. where can the student look for a catalog of tested devices and drivers?

Answers

A student looking to upgrade their system can look for a catalog of tested devices and drivers on the Microsoft Windows Hardware Compatibility List (HCL).

When a student decides to upgrade their system, they may face the challenge of having custom drivers and hardware that may not be compatible with the new upgrade. In such a case, it is crucial to look for a catalog of tested devices and drivers to ensure that the new components will work correctly.Microsoft Windows Hardware Compatibility List (HCL) is a resourceful place where students can look for tested devices and drivers. The HCL comprises a comprehensive list of hardware and software products that are compatible with Microsoft operating systems. The list includes all Microsoft hardware products and other hardware devices from third-party vendors.

Microsoft HCL provides an easy-to-use web-based search tool that students can use to find products that are compatible with their systems. The database allows students to search for hardware, software, and device drivers, and check their compatibility with their systems before making any upgrade. The HCL also provides links to product information and drivers that students can use to download drivers and information about the products they want to install.

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Which of the following is a monitoring control that safeguards against the loss of integrity?
A) File integrity monitoring
B) Separation of duties
C) Encryption
D) Digital signatures

Answers

File Integrity Monitoring is a monitoring control that safeguards against the loss of integrity. The answer is option(A)

Monitoring control refers to the steps taken by an organization to track its operations, information, and other activities for any changes or variations. It is also a type of internal control that ensures the accuracy, completeness, and reliability of accounting data and it is designed to assist management in the efficient and effective operation of their organizations.

Loss of integrity is a type of data breach that happens when data is altered in a way that compromises its accuracy or reliability. It might occur as a result of a hacker or an insider threat altering information. When it comes to data security, loss of integrity can be extremely dangerous and costly.

Therefore, the answer is option A) File integrity monitoring

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Write a function analyze_text that receives a string as input. Your function should count the number of alphabetic characters (a through z, or A through Z) in the text and also keep track of how many are the letter 'e' (upper or lowercase). Your function should return an analysis of the text in the form of a string phrased exactly like this: "The text contains 240 alphabetic characters, of which 105 (43.75%) are ‘e’."


Using function

Answers

Answer:

def analyze_text(sentence):

   count = 0

   e_count = 0

   for s in sentence:

       s = s.lower()

       if s.isalpha():

           count += 1

       if s == "e":

           e_count += 1

   return "The text contains " + str(count) + " alphabetic characters, of which " + str(e_count) + " (" + str(e_count*100/count) + "%) are ‘e’."

Explanation:

Create a function called analyze_text takes a string, sentence

Initialize the count and e_count variables as 0

Create a for loop that iterates through the sentence

Inside the loop, convert all letters to lowercase using lower() function. Check each character. If a character is a letter, increment the count by 1. If a character is "e", increment the e_count by 1.

Return the count and e_count in required format

This is a subjective question, hence you have to write your answer in the Text-Field given b In each of the scenarios given below, answer the corresponding question with brief but adequate reasoning. [Marks: 6]
1. A spark application is started using spark-submit on a cluster of 3 nodes. The user performs a Ctrl+C to try and kill the program. What is the expected behaviour?
2. You want to create a data schema in Hive but the data itself is not yet available. In fact, the data is created, updated, deleted from outside Hive. This data is used in conjunction with another data set that is created within Hive. What is the approach in Hive to achieve this?
3. You have to keep a set of RDDs in memory but you need to look for CPU vs memory utilisation traded-off because memory is limited. How could you achieve this as a Spark application developer?

Answers

When a user performs a Ctrl+C to kill a Spark application started using spark-submit on a cluster of 3 nodes, the expected behavior is that the application will be gracefully terminated. The driver program will receive the interrupt signal and initiate the shutdown process.

In Hive, to create a data schema when the data is not yet available but will be created, updated, or deleted from outside Hive, the approach is to use an external table. An external table in Hive allows the metadata to be defined in Hive while the actual data resides outside Hive's control. The external table can be created with the specified schema, and Hive can still query and join the external data with the internally created data set. This approach provides flexibility in managing and integrating data from various sources.

As a Spark application developer, to manage the trade-off between CPU and memory utilization when keeping a set of RDDs in memory, the key is to adjust the storage level of RDDs. Spark provides different storage levels, such as MEMORY_ONLY, MEMORY_AND_DISK, and MEMORY_AND_DISK_SER, which determine how RDD partitions are stored in memory or on disk. By selecting an appropriate storage level based on the available memory and the size of RDDs, developers can control the balance between CPU and memory utilization. For example, using a storage level like MEMORY_AND_DISK can spill excess data to disk when memory is limited, allowing for efficient memory usage while maintaining RDD availability.

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When a user performs a Ctrl+C to kill a Spark application started using spark-submit on a cluster of 3 nodes, the expected behavior is that the application will be gracefully terminated.

The driver program will receive the interrupt signal and initiate the shutdown process.

In Hive, to create a data schema when the data is not yet available but will be created, updated, or deleted from outside Hive, the approach is to use an external table. An external table in Hive allows the metadata to be defined in Hive while the actual data resides outside Hive's control. The external table can be created with the specified schema, and Hive can still query and join the external data with the internally created data set. This approach provides flexibility in managing and integrating data from various sources.

As a Spark application developer, to manage the trade-off between CPU and memory utilization when keeping a set of RDDs in memory, the key is to adjust the storage level of RDDs. Spark provides different storage levels, such as MEMORY_ONLY, MEMORY_AND_DISK, and MEMORY_AND_DISK_SER, which determine how RDD partitions are stored in memory or on disk. By selecting an appropriate storage level based on the available memory and the size of RDDs, developers can control the balance between CPU and memory utilization. For example, using a storage level like MEMORY_AND_DISK can spill excess data to disk when memory is limited, allowing for efficient memory usage while maintaining RDD availability.

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explain how does it reduce the response time of query processing using B+ tree (or B tree) in a data base.

Answers

The use of a B+ tree (or B tree) in a database can reduce the response time of query processing by enabling faster retrieval of data. The B+ tree organizes data in a hierarchical structure, which reduces the number of disk accesses required to locate the desired data.

When a query is submitted to a database, the B+ tree is used to locate the data associated with that query. Because the data is organized in a hierarchical structure, the B+ tree allows for quick traversal to the appropriate node, which reduces the number of disk accesses required. This reduces the time it takes to retrieve the data and return the query result.

In summary, using a B+ tree (or B tree) in a database can significantly reduce the response time of query processing by enabling faster retrieval of data through the use of a hierarchical structure.

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which country do you live in?​

Answers

I live in the USA

Hope this helps!

Answer:

Ghana

Explanation:

because I'm an African



Exercise
For each of the following tasks, draw what the final list looks like and diagram how you
would solve the problem by writing a step by step process to solve the task.
1. Given a list of integers, replace every element at an even index with 0. Remember lists
start at index 0, so the first element should be replaced and then every other element
thereafter.
Initial list:
3
4
1
2
89
Final list:
Solution Steps:

ExerciseFor each of the following tasks, draw what the final list looks like and diagram how youwould

Answers

Answer:

[0,4,0,2,0]

Explanation:

You need to iterate through the list and check if the index is even by comparing the rest of its division by 2 with 0. This can be achieved using the following algorithm (written in Python, so it can easily be translated to other languages)

mylist = [3,4,1,2,89]

for i in range(0, len(mylist)): #For each index of the list

   if i%2==0: #If the rest of the division of i by 2 is 0, which means it is even

       mylist[i]=0 #Assigns zero to current index

How do you manage your online presence? What kind of sites are you most active on, and what steps can you take to manage your image on these sites better?

Answers

Answer:

1. optimize your website to increase your online visibility and other search engines.

2. make your company information clear and prominent.

Though obvious, it's surprising how many businesses neglect to do make it easy to locate their business information. You should show:

company name

location, including city and state

contact information

overview of products and services

operating hours

3. provide useful content in your page

Chapter
2
SAFETY GUIDELINES
OBJECTIVES
1. Which of the following is a safety device?
(a) dashboard (b) steering wheel (c) seat
(d) seatbelt​

Answers

Answer:

Seatbelt

Explanation:

The seatbelt allows everyone in the car to remain safe and steady going at certain high miles per hour. None of the other options were made for safety only. Please name brainliest!!!

Computer has brought radical change in every field​

Answers

Answer:

Yes it has brought change in every field

Explanation:

help me and i'll mark brainliest

help me and i'll mark brainliest

Answers

Answer: Help you with what

Explanation: This is so random lol but i guess im getting brain points or sum like that

Which of the following computer components typically has the FASTEST performance?

RAM
NIC
Firmware/BIOS
CPU

Answers

Answer:

CPU

Explanation:

The CPU is typically the fastest component in a computer and processes a large number of commands in a short amount of time. The CPU controls the other parts of the computer by getting information from them, then telling them what to do.

Which of the following is not a method for opening Word software?

Answers

Answer:

right clicking on the desktop and clicking "view"

Answer:

veiw

Explanation:

Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry

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