Practice Memory Data Register (28.3.3) - Different Internal CPU Bus Organization

Practice: Memory Data Register

Lesson 28.3.3Different Internal CPU Bus Organization

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6 sample questions

Question 1.
What is the primary function of the Memory Data Register?
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Think about what happens during a data transfer.
Question 2.
What is one disadvantage of a single-bus architecture?
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Remember how operations are performed in sequence.
3Question 3.
What does the Memory Data Register (MDR) do?
- Holds temporary data
- Stores permanent data
- Generates control signals
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Think about its role in data transfer.
4Question 4.
In which architecture can the MDR send data to multiple outputs simultaneously?
- True
- False
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Consider the advantage of multiple buses.
Question 5.
Design a scenario involving an application that performs multiple data accesses simultaneously. How would a three-bus architecture with an efficient MDR improve this process?
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Think about how delaying operations could affect overall efficiency.
Question 6.
Assuming we want to upgrade a single-bus architecture to a three-bus system. How would changes in the MDR improve overall CPU performance? What specific design choices would you implement?
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Consider both hardware improvements and the implications of software efficiency.

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