Multiple choice

Which of the following transfer modes does not need the CPU intervention during data transfer?

  1. Interrupt initiated Input - Output

  2. Direct memory access

  3. Programmed Input - Output

  4. Both (2) and (3)

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In this transfer mode, the interface transfers data into and out of the memory unit through the memory bus and it does not need the CPU's intervention during this transfer.

Keep practicing — related questions