Practice Initiating Address Transfer (pc To Mar) (5.2.1.1) - Control Unit Design
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Initiating Address Transfer (PC to MAR)

Practice - Initiating Address Transfer (PC to MAR)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Program Counter (PC) do?

💡 Hint: Think about what keeps track of instruction locations.

Question 2 Easy

What is the purpose of the MAR in the CPU?

💡 Hint: Consider where addresses are temporarily kept during data access.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the role of the Program Counter (PC)?

It executes instructions
It holds the address of the next instruction
It stores data

💡 Hint: Recall what counter keeps track of instruction order.

Question 2

True or False: The MAR is responsible for executing instructions.

True
False

💡 Hint: Think about what roles the MAR plays.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a Program Counter (PC) value of 2048, describe the step-wise process that occurs when the Control Unit initiates the address transfer to the MAR.

💡 Hint: Break down each control signal's action step by step.

Challenge 2 Hard

Discuss how the efficiency of instruction fetching might be affected by overlapping operations such as PC incrementing and MAR loading. What are some potential drawbacks?

💡 Hint: Consider how timing affects operations in a CPU.

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