Quiz: What Registers Do (Big Picture)

OCR GCSE J277 Computer Science specification

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Building on what you've learned about the CPU and the fetch-decode-execute cycle, let's test your understanding of what registers do in the big picture!

Multiple ChoiceInteractive

Which register is responsible for holding the memory address of the next instruction to be executed?

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Multi-SelectInteractive

Which of the following are roles of registers in the CPU? (Select all that apply)

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Fill in the BlankInteractive

The {{blank0}} register holds the memory address of data, while the {{blank1}} register holds the actual data retrieved from memory.

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MatchingInteractive

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

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Math EquationInteractive

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Multiple ChoiceInteractive

Which register temporarily stores the result of an arithmetic operation?

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typedAnswer

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Multiple ChoiceInteractive

What happens to the Program Counter during the fetch stage?

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Code CompletionInteractive

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