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CET1172C Practice Test #1 - Lectures 1 to 5

 1. What is a reason a device would need an IRQ?

A. So the CPU can signal it to get ready to receive data
B. So the CPU can detect if it is active or inactive
C. So it can signal the CPU to run its device driver
D. So it can signal any other peripheral device



  1. If you make the correct selection and then click the "Check" button it will NOT count against your totals, but
  2. If you make the wrong selection every time you click "Check" it will count as a wrong answer.
  3. If you do NOT click "Check" and proceed to the "Next" question, your answer will automatically be scored and added to the totals - even if you go "Back" and change it later.
  4. You may "Check Score" at any time and it will not count against you.
  5. Good Luck!

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