Quiz

Quiz: The Fetch-Decode-Execute Cycle

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Building on what you've learned about the CPU, let's test your knowledge of the Fetch-Decode-Execute Cycle!

Multiple ChoiceInteractive

What is the first step in the Fetch-Decode-Execute Cycle?

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Multi-SelectInteractive

Which of the following are parts of the Fetch-Decode-Execute Cycle? (Select all that apply)

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Fill in the BlankInteractive

The {{blank0}} is responsible for fetching instructions from {{blank1}}.

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Math EquationInteractive

If an instruction takes 4 clock cycles to complete, how many instructions can a CPU with a clock speed of 2GHz process in one second?

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Multiple ChoiceInteractive

Which register holds the address of the next instruction to be fetched?

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typedAnswer

Match the items on the left with their correct pairs on the right

Fill in the BlankInteractive

During the Execute step, the CPU performs the {{blank0}} based on the instruction and updates the {{blank1}} if necessary.

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Multiple ChoiceInteractive

What happens if the Fetch-Decode-Execute Cycle encounters an instruction it cannot decode?

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Multi-SelectInteractive

Which registers are involved in the Fetch step? (Select all that apply)

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