Practice Purpose of Registers - 12.6.2 | 12. Fetch Cycle | Computer Organisation and Architecture - Vol 1
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Practice Questions

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Question 1

Easy

What does the program counter hold?

💡 Hint: Think about where the CPU looks for its next instruction.

Question 2

Easy

What is the function of the MAR?

💡 Hint: What helps the CPU find where to look in memory?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the program counter do?

  • It stores the address of the last instruction.
  • It holds the address of the next instruction to be executed.
  • It directly executes the instruction.

💡 Hint: Think about what the CPU needs to find next in memory.

Question 2

True or false: The MAR can contain data as well as addresses.

  • True
  • False

💡 Hint: What role does MAR play regarding memory?

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze what would happen if there was a conflict between the MAR and MBR operations during a fetch cycle.

💡 Hint: Consider why timing is critical in the fetch cycle.

Question 2

Design a hypothetical situation where the PC might not point to a valid instruction address. What implications would this have?

💡 Hint: What checks should be in place to ensure PC validity?

Challenge and get performance evaluation