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 in a computer system!
Which of the following is a register that stores the address of the next instruction to be executed?
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Which registers are used to store data temporarily during processing? (Select all that apply)
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The {{blank0}} stores the address of the memory location to be accessed, while the {{blank1}} holds the actual data being read or written.
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Match the items on the left with their correct pairs on the right
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Which register is used to store the result of a calculation performed by the ALU?
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Which of the following are functions of CPU registers? (Select all that apply)
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The {{blank0}} is a register that stores the address of the memory location being accessed during the fetch-decode-execute cycle.
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Match the items on the left with their correct pairs on the right
Which register is responsible for storing intermediate results during mathematical calculations?
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The Program Counter starts at address 50. If it increments by 1, what will the new address be?
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Match the items on the left with their correct pairs on the right
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