Quiz

Quiz: The Control Unit - Controlling the CPU

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Building on what you've learned, let's test your knowledge of the Control Unit and how it controls the CPU!

Multiple ChoiceInteractive

What is the main role of the Control Unit in the CPU?

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Multi-SelectInteractive

Which of the following tasks are performed by the Control Unit? (Select all that apply)

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Fill in the BlankInteractive

The Control Unit ensures that the CPU {{blank0}} and processes instructions in the correct {{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 the CPU clock runs at 3 GHz, how many cycles occur per second?

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Code CompletionInteractive

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

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typedAnswer

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

Multiple ChoiceInteractive

Which register is updated by the Control Unit after an instruction is executed?

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Multi-SelectInteractive

Why is the Control Unit critical to the fetch-decode-execute cycle? (Select all that apply)

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Fill in the BlankInteractive

The {{blank0}} is responsible for decoding instructions and generating {{blank1}} to control the CPU components.

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