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Authors:
Tony Gaddis
Chapter:
Introduction To Computers And Programming
Exercise:
Multiple Choice
Question:20 | ISBN:9780132576376 | Edition: 2

Question

In the _________ part of the fetch-decode-execute cycle, the CPU determines which operation it should perform.
a. fetch
b. decode
c. execute
d. immediately after the instruction is executed

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Answer

The correct choice is b) decode

 

Explanation:

 

  • The instruction cycle is used for  fetch-decode-execute cycle in operating system by using CPU.
  • Once the instruction has been fetched, the CPU needs to be decoded and executed. 

 

So, In the b) decode part of the fetch-decode-execute cycle, the CPU determines which operation it should perform.

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