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 and how they store data, let's test your knowledge of the Memory Data Register (MDR)!

Multiple ChoiceInteractive

What is the primary role of the MDR 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 works closely with the {{blank0}} to retrieve or store data at the correct {{blank1}} in memory.

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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

Which type of memory does the MDR interact with during data transfers?

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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 does the MDR store during a memory read operation?

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Multi-SelectInteractive

Why is the MDR important in the CPU? (Select all that apply)

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