Quiz: MDR - Storing the Data

OCR GCSE J277 Computer Science specification

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

Multiple ChoiceInteractive

What is the primary purpose of the Memory Data Register (MDR)?

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Multi-SelectInteractive

Which of the following actions involve the Memory Data Register (MDR)? (Select all that apply)

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Fill in the BlankInteractive

The MDR temporarily holds {{blank0}} 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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Math EquationInteractive

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

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Multiple ChoiceInteractive

Which register works closely with the MDR to fetch data from memory?

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Code CompletionInteractive

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

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Multi-SelectInteractive

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

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typedAnswer

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Multiple ChoiceInteractive

What type of data is stored in the MDR during the fetch cycle?

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