Quiz: MDR - Storing the Data

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Building on what you've learned about registers, let's test your understanding of the MDR (Memory Data Register) and its role in storing data!

Multiple ChoiceInteractive

What does the MDR store in the CPU?

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Multi-SelectInteractive

Which of the following are true about the MDR? (Select all that apply)

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Fill in the BlankInteractive

The MDR is used to store {{blank0}} that is being transferred to or from {{blank1}}.

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MatchingInteractive

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

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Multiple ChoiceInteractive

During the fetch stage of the fetch-execute cycle, how does the MDR interact with memory?

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Math EquationInteractive

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

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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

What happens to data stored in the MDR once it is processed?

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Multi-SelectInteractive

Which actions can involve the MDR? (Select all that apply)

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