Quiz

Quiz: MDR - Storing the Data

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Welcome back! You've already learned about registers like the MAR and their roles in the CPU. Now, let's focus on the MDR and how it stores data!

Multiple ChoiceInteractive

What does the Memory Data Register (MDR) store?

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Multi-SelectInteractive

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

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Fill in the BlankInteractive

The MDR acts as a {{blank0}} between the CPU and {{blank1}}.

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Multiple ChoiceInteractive

What type of data can the MDR hold?

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MatchingInteractive

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

Fill in the BlankInteractive

When a CPU reads data from memory, the data is loaded into the {{blank0}}.

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Multiple ChoiceInteractive

Where does the MDR get data from during a fetch operation?

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Multi-SelectInteractive

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

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Multiple ChoiceInteractive

Why is the MDR needed in the CPU?

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