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Alina [70]
3 years ago
9

Which of the following statements is true for DMA: (only one correct answer) A. In DMA, Processor checks status until the operat

ion is complete B. In DMA, Processor is interrupted when I/O module ready to execute data C. In DMA, no interrupt is produced D. In DMA, interrupt is sent when the task is completed E. None of the above
Computers and Technology
1 answer:
Ronch [10]3 years ago
6 0

Answer:

<u>D. In DMA, interrupt is sent when the task is completed</u>

Explanation:

Note, the term Direct Memory Access simply refers to a computer feature that allows hardware subsystems to directly access the main system memory of a computer, without any the aid of the central processing unit (CPU).

It is a fact that while the transfer process is ongoing, an interrupt (interrupt signal) is not sent until when the task is completed.

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Answer:

import java.util.Scanner;

public class ANot {

   public static void main(String[] args) {

   Scanner input = new Scanner(System.in);

       System.out.println("Enter the month name:");

       String month1 = input.next();

       System.out.println("Enter the amount of rain for "+month1);

       double month1Rain = input.nextDouble();

       System.out.println("Enter the second month: ");

       String month2 = input.next();

       System.out.println("Enter the amount of rain for "+month2);

       double month2Rain = input.nextDouble();

       System.out.println("Enter the Third month: ");

       String month3 = input.next();

       System.out.println("Enter the amount of rain for "+month3);

       double month3Rain = input.nextDouble();

       double averageRainfall = (month1Rain+month2Rain+month3Rain)/3;

       System.out.printf("Average Rainfall is: %,.2f  ", averageRainfall);

   }

}

Explanation:

This is written in Java Programming language

  1. Import  the scanner class to prompt user for the inputs (Months and amount of rainfall for each month)
  2. Find the average of the three rainfall amount by adding up and dividing by 3
  3. Output the average. Pay particular attention to the use of java's printf in order to print the average to 2 decimal places
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