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4 cards from this section. Quick, good the night before a test.
Define control transfer instructions.
Think of instructions that could redirect program execution.
What role does the program counter (PC) play?
Consider what guides the CPU’s next action.
What are control transfer instructions?
Think about what allows you to skip some actions or repeat them.
True or False: The program counter (PC) is responsible for holding the return address during function calls.
What keeps track of where to return after a jump?
Design a simple instruction set that includes at least one conditional jump and one function call. Explain how the program counter is modified in each case.
Make sure to consider how the PC behaves differently in each scenario.
Describe a potential failure of not managing temporary registers correctly during control transfers and its implications on program flow.
Think about what happens if you lose your bookmark.
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