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2 years ago

What is the importance of knowing the concept of programming?

Computers and Technology

1 answer:

NeTakaya2 years ago

3 0

Answer:

Computer programming is important today because so much of our world is automated. Humans need to be able to control the interaction between people and machines. Since computers and machines are able to do things so efficiently and accurately, we use computer programming to harness that computing power.

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A ___________ is the smallest unit in a written language.

Delvig [45]

A. string? maybee its a string of units

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3 years ago

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(1) Prompt the user to input an integer, a double, a character, and a string, storing each into separate variables. Then, output

Alex787 [66]

Answer:

import java.util.*;

public class Main{

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

int intgVal; double dblVal; char chrVal; String strVal;

System.out.print("Enter integer: ");

intgVal = input.nextInt();

System.out.print("Enter double: ");

dblVal = input.nextDouble();

System.out.print("Enter character: ");

chrVal = input.next().charAt(0);

input.nextLine();

System.out.print("Enter string: ");

strVal = input.nextLine();

System.out.println(intgVal+" "+dblVal+" "+chrVal+" "+strVal);

System.out.println(strVal+" "+chrVal+" "+dblVal+" "+intgVal);

int IntValue = (int) dblVal;

System.out.print("Cast to an integer: "+IntValue);

}

Explanation:

See attachment for complete program where comments were used to explain each line of the program

Download txt

6 0

3 years ago

Write a recursive function num_eights that takes a positive integer pos and returns the number of times the digit 8 appears in p

nata0808 [166]

Answer:

Explanation:

The following is written in Java. It creates the function num_eights and uses recursion to check how many times the digit 8 appears in the number passed as an argument. A test case has been created in the main method and the output can be seen in the image below highlighted in red.

public static int num_eights(int pos){

if (pos == 0)

return 0;

if (pos % 10 == 8)

return 1 + num_eights(pos / 10);

else

return num_eights(pos / 10);

}

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2 years ago

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Answer:

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Explanation:

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2 years ago

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Common input devices include the keyboard, ____, and integrated video cameras.

Yuliya22 [10]

Common input devices include the keyboard, image scanner, and integrated video cameras. These also include the microphone, mouse, joystick controller, gamepad or joypad, webcam, digital pen, and others. Input devices are computer hardware used to control signals and provide data to a computer or an information appliance.

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3 years ago