Multiple choice

I/O controllers are

  1. intelligent but dedicated processors

  2. to control CPU for I/O

  3. super computers

  4. dumb devices

  5. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

I/O controllers have separate processors and dedicated instruction formats to define various dedicated operations for the specific device. They offload CPU during I/O operations.

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