Quiz: What Registers Do (Big Picture)

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Building on what you've learned about the CPU and the fetch-decode-execute cycle, let's test your knowledge of the purpose and function of registers!

Multiple ChoiceInteractive

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

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Multi-SelectInteractive

Which of the following registers are used during the fetch-decode-execute cycle? (Select all that apply)

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Fill in the BlankInteractive

The {{blank0}} holds the address of the next instruction, while the {{blank1}} temporarily holds the data being transferred.

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MatchingInteractive

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

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Math EquationInteractive

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

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Multiple ChoiceInteractive

What is the purpose of the Accumulator (ACC)?

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Multi-SelectInteractive

Which of the following describes key features of registers? (Select all that apply)

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Fill in the BlankInteractive

The Memory Data Register holds {{blank0}} temporarily, while the Memory Address Register holds {{blank1}} to be accessed.

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typedAnswer

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

Multiple ChoiceInteractive

What happens to the Program Counter after each instruction is fetched?

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