Practice Stage 1: Program Counter Update - 13.1.1 | 13. Instruction Fetch and Execution | Computer Organisation and Architecture - Vol 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the function of the Program Counter?

💡 Hint: Think about what happens to it during instruction fetching.

Question 2

Easy

What does MAR stand for in CPU architecture?

💡 Hint: Recall its role in fetching instructions from 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 (PC) do?

  • It fetches data from memory.
  • It points to the address of the current instruction.
  • It holds the output of executed instructions.

💡 Hint: Think about the role of PC in the instruction cycle.

Question 2

True or False: The Memory Address Register (MAR) holds the instruction to be executed.

  • True
  • False

💡 Hint: Remember what data the MAR tracks.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Suppose the initial value of the PC is 0x0010, explain the steps that occur when an instruction is fetched and how the PC value changes.

💡 Hint: Trace the role of the PC step-by-step.

Question 2

Discuss the implications of a non-incrementing PC on program execution. How would this impact instruction flow?

💡 Hint: Think about what happens if instructions aren't moving forward.

Challenge and get performance evaluation