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 knowledge of what registers do and why they are important!
Which register holds the address of the next instruction to be fetched?
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The {{blank0}} temporarily holds data being transferred to or from memory.
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Which of the following are roles of the Accumulator? (Select all that apply)
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
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Which register is responsible for holding the memory address being accessed?
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Match the items on the left with their correct pairs on the right
The Program Counter increments to point to the {{blank0}} instruction after the current one.
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Which register temporarily holds the result of an ALU operation?
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What are features of registers in the CPU? (Select all that apply)
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