13.1.1 - Stage 1: Program Counter Update
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Practice Questions
Test your understanding with targeted questions
What is the function of the Program Counter?
💡 Hint: Think about what happens to it during instruction fetching.
What does MAR stand for in CPU architecture?
💡 Hint: Recall its role in fetching instructions from memory.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Program Counter (PC) do?
💡 Hint: Think about the role of PC in the instruction cycle.
True or False: The Memory Address Register (MAR) holds the instruction to be executed.
💡 Hint: Remember what data the MAR tracks.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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