Answer:
MS-DOS for the IBM PC
Explanation:
Shortly after its launch most personal computer companies adopted MS-DOS as their operating system.
Answer:
basically B
Explanation:
the person above is correct
Write a Java program that generates a random number between 0 and 50. Then, the program prompts for guesses until the user is correct, or has made 10 wrong guesses. After each guess, the program indicates whether the guess was too high, too low, or correct. Once the round has ended, either by a correct guess or by using up the 10 guesses, the program displays the current status. Enter an integer number ( 0 to exit): 3241 3241 has 4 digits. Sum of digits of 3241 is 10. Enter an integer number ( 0 to exit): 264 264 has 3 digits. Sum of digits of 264 is 12. Enter an integer number ( 0 to exit): -12 -12 has 2 digits. Sum of digits of -12 is -3. Enter an integer number ( 0 to exit): 0 End. Enter a positive integer between 0 and 9: -3 Invalid input number. Enter a positive integer between 0 and 9: 15 Invalid input number. Enter a positive integer between 0 and 9: 5 0 !
Answer:
Here is the JAVA program:
import java.util.Scanner; //to accept input from user
public class Main { //class name
public static void GuessTheNumber() { //method to guess the number
Scanner input = new Scanner(System.in); //creates Scanner object to accept input from user
int number = (int)(50 * Math.random()) ; //generates random number from 0 to 50
int trials = 10; //allows 10 trials to user to guess the number
int i, userGuess; //stores user guess
System.out.println("Guess a number between 0 to 50"); //prompts user to guess a number between 0 to 50
for (i = 0; i <trials; i++) { //allows user to keep guessing in 10 trials
System.out.println("Enter your guess: "); //prompts user to enter a number as a guess
userGuess = input.nextInt(); //reads users entered number(guess)
if (number == userGuess) { //if users guess is correct
System.out.println("Congratulations! The guess is correct!"); //displays congratulatory message
break; } //the loop breaks after correct guess is made
else if (number>userGuess) { //if user guess is less than correct number
System.out.println("Too low"); }
else if (number<userGuess) { //if user guess is greater than correct number
System.out.println("Too high"); } }
if (i == trials) { //if user has made 10 wrong guesses
System.out.println("You exceeded 10 trials!");
System.out.println("The correct number was " + number); } } //displays the correct number if user made 10 wrong guesses
public static void main(String arg[]) { //start of main method
GuessTheNumber(); } } //calls method to start the guessing game
Explanation:
The program prompts the user to enter a guess and it uses random() method to generate randoms numbers from 0 to 50. The loop keeps iterating and prompting the user to enter a guess until the limit of number of trials exceeds. The trials are set to 10 so the user can guess a number in 10 tries. If the user guesses a number that is higher than the correct guess then the program indicates that the guess is too high by displaying a message "too high" and if user guesses a number that is lower than the correct guess then the program indicates that the guess is too low by displaying a message "too low". If user makes 10 wrong guess then the program displays the correct guess and ends. The screenshot of the output is attached.
20. The time for the disk arm to move the heads to the cylinder containing count
the desired sector is called
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The answer is the seek time.
The seek time is the time for the disk arm to move the heads to the cylinder containing the desired sector.
CNT Books has expanded considerably since you got the network up and running three years
ago. It now occupies an entire floor in the building, and its LAN has grown to include several
servers and more than 60 workstations.
CNT Books has recently purchased another book company and needs more space and
computers. Expansion plans include leasing another floor four stories above the current offices
in the same building and adding 35 workstations and at least one more server immediately,
with additional equipment purchases expected. [15 marks]
i. What type of network is called for—LAN, WAN, MAN, or internetwork?
Answer:
The answer to this question is given below in the explanation section
Explanation:
CNT Books has expanded considerably since you got the network up and running three years ago. It now occupies an entire floor in the building, and its LAN has grown to include several servers and more than 60 workstations.
CNT Books has recently purchased another book company and needs more space and computers. Expansion plans include leasing another floor four stories above the current offices in the same building and adding 35 workstations and at least one more server immediately, with additional equipment purchases expected.
The type of networking CNT Book will use is WAN.
LAN
A local area network (LAN) is a group of computers and peripheral devices that share a common communications line or wireless link to a server within a distinct geographic area. A local area network may serve as few as two or three users in a home-office or several hundred users in a corporation's central office
WAN
A wide area network (WAN) is a geographically distributed private telecommunications network that interconnects multiple local area networks (LANs). A LAN is a group of computers and network devices which are all connected to each other, typically from within a short relative geographical distance.
MAN
A metropolitan area network is a computer network that interconnects users with computer resources in a geographic region of the size of a metropolitan area.
internetworking
Internetworking is the process or technique of connecting different networks by using intermediary devices such as routers or gateway devices. Internetworking ensures data communication among networks owned and operated by different entities using a common data communication and the Internet Routing Protocol. internetworking is not a network type but it is a process or technique of connecting different networks by using intermediary devices.
Research the disadvantages of the computer and explain them.
Answer:
Too much sitting-affects the back and makes our muscles tight
Carpal tunnel and eye strain-moving your hand from your keyboard to a mouse and typing are all repetitive and can cause injuries
Short attention span and too much multitasking-As you use a computer and the Internet and get immediate answers to your questions and requests, you become accustomed to getting that quick dopamine fix. You can become easily frustrated when something doesn't work or is not answered in a timely matter.
This program will calculate the rise in ocean levels over 5, 10, and 50 years, Part of the program has been written for you. The part that has been written will read in a rise in ocean levels (per year) in millimeters. This value is read into a variable of type double named risingLevel. You will be completing the program as follows Output the value in risingLevel. This should be the first line of output. The output should be as follows (assume risingLevel has a value of 2.1) Level: 2.1 The number of millimeters higher than the current level that the ocean's level will be in 5 years (assuming the ocean is rising at the rate of risingLevel per year). This is your second line of output. The output will be as follows Years: 5, Rise: 10.5 The number of millimeters higher than the current level that the ocean's level will be in 10 years (assuming the ocean is rising at the rate of risingLevel per year). This is your third line of output. The output will be as follows (for a risingLevel" of 2.1 Years: 10, Rise: 21 The number of millimeters higher than the current level that the ocean's level will be in 50 years (assuming the ocean is rising at the rate of risingLevel per year). This is your final line of output.The output will be as follows (for a risingLevel" of 2.1) Years: 50, Rise: 105 For each of the above you need to output the number of years and the total rise in ocean levels for those years. This is all based on the value in risingLevel For example: ArisingLevel of 2.1 for 5 years would have the following output: Level: 2.1 Years: 5, Rise: 10.5 Years: Years: 50, Rise: 105 10, Rise: 21 Your output must have the same syntax and spacing as above
Answer:
Here is the C++ program:
#include <iostream> //to use input output functions
using namespace std; //to identify objects cin cout
int main(){ //start of main method
double risingLevel; //declares a double type variable to hold rising level
cin>>risingLevel; //reads the value of risingLevel from user
cout<<"Level: "<<risingLevel<<endl; //displays the rising level
cout << "Years: 5, Rise: " << risingLevel * 5<<endl; //displays the rise in ocean level over 5 years
cout << "Years: 10, Rise: " << risingLevel * 10<<endl; //displays the rise in ocean level over 10 years
cout << "Years: 50, Rise: " << risingLevel * 50<<endl; //displays the rise in ocean level over 50 years
}
Explanation:
The program works as follows:
Lets say the user enters rising level 2.1 then,
risingLevel = 2.1
Now the first print (cout) statement :
cout<<"Level: "<<risingLevel<<endl; prints the value of risingLevel on output screen. So this statement displays:
Level: 2.1
Next, the program control moves to the statement:
cout << "Years: 5, Rise: " << risingLevel * 5<<endl;
which computes the rise in ocean levels over 5 years by formula:
risingLevel * 5 = 2.1 * 5 = 10.5
It then displays the computed value on output screen. So this statement displays:
Years: 5, Rise: 10.5 Next, the program control moves to the statement:
cout << "Years: 10, Rise: " << risingLevel * 10<<endl;
which computes the rise in ocean levels over 10 years by formula:
risingLevel * 10 = 2.1 * 10 = 21
It then displays the computed value on output screen. So this statement displays:
Years: 10, Rise: 21
Next, the program control moves to the statement:
cout << "Years: 50, Rise: " << risingLevel * 50<<endl;
which computes the rise in ocean levels over 50 years by formula:
risingLevel * 50 = 2.1 * 50 = 105
It then displays the computed value on output screen. So this statement displays:
Years: 50, Rise: 105 Hence the output of the entire program is:
Level: 2.1 Years: 5, Rise: 10.5 Years: 10, Rise: 21 Years: 50, Rise: 105
The screenshot of the program and its output is attached.
Solve the recurrence relation.
S(1)=1
S(n)= S(n-1)+(2n-1) for n>=2
Answer:
hope that will help you
Describe yourself as a programming object and give at least 5 properties and 5 methods that you think you are equipped with.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
I consider myself a programming object, then the following are my properties and methods.
Properties (represents the features)
name.height.weight.skin color.eye color,hair styleMethods (represents the behavior)
Walk.Eat,ListenSpeakDrinkTo follow the Principle of Least Privilege, Set-UID programs often permanently relinquish their root privileges if such privileges are not needed anymore. Moreover, sometimes, the program needs to hand over its control to the user; in this case, root privileges must be revoked. The setuid() system call can be used to revoke the privileges. According to the manual, "setuid() sets the effective user ID of the calling process. If the effective UID of the caller is root, the real UID and saved set-user-ID are also set". Therefore, if a Set-UID program with effective UID 0 calls setuid(n), the process will become a normal process, with all its UIDs being set to n. When revoking the privilege, one of the common mistakes is capability leaking. The process may have gained some privileged capabilities when it was still privileged; when the privileged is downgraded, if the program does not clean up those capabilities, they may still be accessible by the non-privileged process. In other words, although the effective user ID of the process becomes non-privileged, the process is still privileged because it possesses privileged capabilities. Compile the following program, change its owner to root, and make it a Set-UID program. Run the program as a normal user, and describe what you have observed. Will the file /etc/zzz be modified? Please explain your observation.
What is a social media scam?
Answer:
Internet fraud is a type of cybercrime fraud or deception which makes use of the Internet and could involve hiding of information or providing incorrect information for the purpose of tricking victims out of money, property, and inheritance.
what is digital footprint ?
Answer:
the information about a particular person that exists on the internet as a result of their online activities.
Answer:
Your digital footprint is what you do on the internet and what information you input. That is why it is important to never share information online
Explanation:
______________ helps you see how your document will appear on the paper.
Answer:
Print Preview
Explanation:
The "Print Preview" gives a person the idea on how his/her document will look like once it is printed out. Having an overview of the document will let you know whether you need to do some adjustments or edit some things before you actually print it.
There's a shortcut for this when it comes to the "Microsoft Word." All you have to do is to press ctrl + F2. Nevertheless, more modern computers don't need the print preview anymore since you can see the whole document on the actual print page.
This assignment involves writing a Python program to compute the average quiz grade for a group of five students. Your program should include a list of five names. Using a for loop, it should successively prompt the user for the quiz grade for each of the five students. Each prompt should include the name of the student whose quiz grade is to be input. It should compute and display the average of those five grades and the highest grade. You should decide on the names of the five students. Your program should include the pseudocode used for your design in the comments.
Answer:
Here is the Python program along with the comments of program design
#this program is designed to compute the average quiz grades for a group of five students
students = ["Alex", "John", "David", "Joseph", "Mathew"] #create a list of 5 students
grades = [] # create an empty list to store the grades in
for student in students: #loop through the students list
grade = input("Enter the quiz grade for "+student+": ") #prompt the user for the quiz grade of each student
#store the input grades of each student to grade
grades.append(int(grade)) # convert the grade to an integer number and append it to the list
print("Grades are:", grades) #display the grades of five students
average = sum(grades) / len(grades) #compute the average of five grades
print("The average of grades is:", average) #display the average of five grades
highest = max(grades) #compute the highest grade
print("The highest grade is:", highest) #print highest grade
Explanation:
The program first creates a list of 5 students who are:
Alex
John
David
Joseph
Mathew
It stores these into a list named students.
Next the program creates another list named grades to store the grades of each of the above students.
Next the program prompts the user for the quiz grade for each of the five students and accepts input grades using input() method. The statement contains student variable so each prompt includes the name of the student whose quiz grade is to be input. Each of the grades are stored in grade variable.
Next the append() method is used to add each of the input grades stored in grade to the list grades. The int() method is used to first convert these grades into integer.
Next print() method is used to display the list grades on output screen which contains grades of 5 students.
Next the average is computed by taking the sum of all input grades and dividing the sum by the total number of grades. The sum() method is used to compute the sum and len() method is used to return the number of grades i.e. 5. The result is stored in average. Then the print() method is used to display the resultant value of average.
At last the highest of the grades is computed by using max() method which returns the maximum value from the grades list and print() method is used to display the highest value.
The screenshot of the program and its output is attached.
How many parameters (values inside of the
parenthesis) does a message dialog box take?
A. 1
B. 2.
C. O
D. 3
Answer:
The answer to this question is given below.
Explanation:
The message dialog box contains many parameters, but primarily three parameters are used such message, title, and button.
So the correct answer to this question is 3.
The message dialog box contains three parameters such as message, title, and buttons.
BRAINLIEST Which function will add a name to a list of baseball players in Python?
append()
main()
print()
sort()
Answer: Append()
Explanation:
Answer:
a append
Explanation:
Which function will add a name to a list of baseball players in Python?
Kim wants to add a new tab on the ribbon named “Paste as Pictures” for a group of special commands. Put the steps in the correct order to explain how she can accomplish this task.
Step 1: Go to the Backstage view.
Step 2: Select Customize Ribbon.
Step 3: After a dialog box opens, navigate to the right side.
Step 4:
Step 5:
Step 6: Then, click OK.
✔ Click Options.
✔ Click New tab.
✔ Click Rename.
✔ Type a name.
Which of the following takes place during the research phase
I am unsure if this is the correct question, but I think this is the full question:
Which of the following takes place during the research phase? (choose all that apply)
O software requirements are gathered
O software requirements are implemented in code
O software requirements are analyzed
O software requirements are detailed in a specification document
The answers to this question are software requirements are gathered, software requirements are analyzed, and software requirements are detailed in a specification document (1st, 3rd, and 4th options).
Which of the following ports offers a fast connection that could be used to download and watch your favorite TV shows?
Ethernet
modem
FireWire
USB
Answer:
Ethernet
Explanation:
Ethernet cables provide a fast, wired connection to the internet
Answer: The answer should be FireWire. FireWire ports are used for audio/video output.
A script meaning sound effects
Java Eclipse homework. I need help coding this
Project 5A - Mixed Results
package: proj5A
class: MixedResults
Create a new project called MixedResults with a class called Tester. Within the main method of Tester you will eventually printout the result of the following problems. However, you should first calculate by hand what you expect the answers to be. For example, in the parenthesis of the first problem, you should realize that strictly integer arithmetic is taking place that results in a value of 0 for the parenthesis.
double d1 = 37.9; //Initialize these variables at the top of your program
double d2 = 1004.128;
int i1 = 12;
int i2 = 18;
Problem 1: 57.2 * (i1 / i2) +1
Problem 2: 57.2 * ( (double)i1 / i2 ) + 1
Problem 3: 15 – i1 * ( d1 * 3) + 4
Problem 4: 15 – i1 * (int)( d1 * 3) + 4
Problem 5: 15 – i1 * ( (int)d1 * 3) + 4
Your printout should look like the following:
Problem 1: 1.0
Problem 2: 39.13333333333333
Problem 3: -1345.39999999999
Problem 4: -1337
Problem 5: -1313
Programming Project: N-Queens Prerequisites: Chapter 5 For this project you will create a class that solves a variation of the 8-Queens Problem, the N-Queens Problem. If you need a recap of the 8-Queens Problem watch this video. The N-Queens Problem is identical to the 8-Queens Problem except we vary the size of the board. So, we can find the placement of queens on a 4x4 board (the 4-Queens Problem) or a 9x9 board (the 9-Queens Problem), etc. Your solution to the N-Queens Problem will be implemented entirely in the class ChessBoard which will at minimum include:
Write a program that prompts the user to enter: The cost of renting one room The number of rooms booked The number of days the rooms are booked The sales tax (as a percent). The program outputs: The cost of renting one room The discount on each room as a percent The number of rooms booked The number of days the rooms are booked The total cost of the rooms The sales tax The total billing amount. Your program must use appropriate named constants to store special values such as various discounts.
Answer:
Written in Python
cost = float(input("Cost of one room: "))
numrooms = int(input("Number of rooms: "))
days = int(input("Number of days: "))
salestax = float(input("Sales tax (%): "))
print("Cost of one room: "+str(cost))
print("Discount: 0%")
print("Number of rooms: "+str(numrooms))
print("Number of days: "+str(days))
totalcost = numrooms * cost
print("Total cost: "+str(totalcost))
salestax = salestax * totalcost/100
print("Sales tax: "+str(salestax))
print("Total Billing: "+str(salestax + totalcost))
Explanation:
The next four lines prompts user for inputs as stated in the question
cost = float(input("Cost of one room: "))
numrooms = int(input("Number of rooms: "))
days = int(input("Number of days: "))
salestax = float(input("Sales tax (%): "))
The following line prints cost of a room
print("Cost of one room: "+str(cost))
The following line prints the discount on each room (No information about discount; So, we assume it is 0%)
print("Discount: 0%")
The following line prints number of rooms
print("Number of rooms: "+str(numrooms))
The following line prints number of days
print("Number of days: "+str(days))
The following line calculates total cost of rooms
totalcost = numrooms * cost
The following line prints total cost
print("Total cost: "+str(totalcost))
The following line calculates sales tax
salestax = salestax * totalcost/100
The following line prints sales tax
print("Sales tax: "+str(salestax))
The following line calculates and prints total billings
print("Total Billing: "+str(salestax + totalcost))
1. What is MEK? What is it used for?
Answer:
MEK is a liquid solvent used in surface coatings, adhesives, printing inks, chemical intermediates, magnetic tapes and lube oil dewaxing agents. MEK also is used as an extraction medium for fats, oils, waxes and resins. It is a highly efficient and versatile solvent for surface coatings.
Kiera decided to enroll in college because her friends told her it was a good idea and they wanted her to follow their lead. Kiera’s not sure about becoming a college student. Which statement has the most impact on Kiera’s family’s future?
Omar is preparing to deliver a presentation to his class. It is about a program to collect samples from an asteroid that has been set up by the National Aeronautics and Space Administration. As he checks the spelling, PowerPoint identifies the name of the asteroid Bennu as a misspelled word.
Which option should Omar click in the Spell Checker pane so that PowerPoint does not identify the asteroid’s name as a misspelled word again?
Add
Change
Change All
Ignore Once
Answer:
Its A
Explanation:
On Edg
Answer:
A is the answer
Explanation:
it just is.
Gloria is adding footers to a PowerPoint template for students to use in a literature class. Each student must choose an author and make a presentation about their life and work. She wants the first slide in each presentation to show only the author’s name and photo. On subsequent slides, she wants to include a footer with a date and time that changes depending on the actual date of each presentation.
After selecting the Slide Master view, how should Gloria proceed?
She should select
.
Next, she should select
.
Then, she should select
.
Finally, she should make changes in the
.
Answer:
✔ the Slide Master thumbnail
✔ the Insert tab
✔ Header & Footer
✔ Slide tab in the dialog box
Explanation:
On edg
The Slide Master thumbnail, the Insert tab and Header & Footer and Slide tab in the dialog box.
What is Dialog box?A dialog box, often known as a dialog or a conversation box, is a typical form of window in an operating system's graphical user interface (GUI).
In addition to displaying more details, the dialog box also prompts the user for input.
For instance, you interact with the "File Open" dialog box when you want to open a file while using a software. The Properties dialog box appears in Microsoft Windows when you right-click a file and select Properties.
A dialog box, often known as a dialog or a conversation box, is a typical form of window in an operating system's graphical user interface (GUI). In addition to displaying more details, the dialog box also prompts the user for input.
Therefore, The Slide Master thumbnail, the Insert tab and Header & Footer and Slide tab in the dialog box.
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How computer can affect the life of people?
Which step is first in changing the proofing language of an entire document?
Answer:
A) Click the Language button on the Status bar
Explanation:
After you do this proceed to find the language you want to change the proofing to.
Consider the following class declaration: public class Square { private double sideLength; public double getArea() { return sideLength * sideLength; } public double getSideLength() { return sideLength; } } Assuming that a no-arg constructor already exists, write an overloaded constructor for this class. It should accept an argument that is copied into the sideLength field. The parameter’s name is s.
Answer:
Here is the constructor:
public Square(double s) { //constructor name is same as class name
sideLength = s; } //s copied into sideLength field
Explanation:
The above constructor is a parameterized constructor which takes a double type variable s as argument. The name of constructor is same as the name of class.This constructor requires one parameters. This means that all declarations of Square objects must pass one argument to the Square() constructor as constructor Square() is called based on the number and types of the arguments passed and the argument passed should be one and of type double.
Here is where the constructor fits:
public class Square {
private double sideLength;
public Square(double s) {
sideLength = s; }
public double getArea() {
return sideLength * sideLength;}
public double getSideLength() {
return sideLength; } }
reasons why a computer system is said to be more intelligent than human brain
Answer:
smarter than humans. but feel less than humans
What is the top digital certification earned by K-12 students?
A: Adobe Certified Associate Illustrator
B: Quickbooks Certified User
C: Microsoft Office Specialist
D: Adobe Certified Associate Photoshop
Answer: B
Explanation: Quickbooks Certified User is the most common of all listed. Adobe Certified Associate Illustrator is not so common, nor is Adobe Certified Associate Photoshop. Microsoft Office Specialist is for adults, not kids, the answer is B.
The top digital certification that is earned by K-12 students is Microsoft Office Specialist.
A Microsoft Office Specialist refers to an individual that prepares communication, presentations, reports, etc by operating Microsoft Excel, Word, PowerPoint.
It should be noted that K-12 students can become Microsoft Office Specialists when they pass a specific office program. The exam measures their competency in the use of Microsoft spreadsheet and word.
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