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2 cards from this section. Quick, good the night before a test.
What does the Program Counter (PC) do?
Think about where the CPU gets its instructions from.
What are the names of the two special purpose registers used in the fetch cycle?
Consider the registers that help manage memory access.
What register holds the address of the next instruction to be fetched?
Think about which component keeps track of processing order.
True or False: The Memory Buffer Register directly holds the address of the next instruction.
Consider what each register's primary function is.
Design a simple CPU operation using direct and indirect addressing. Explain how the fetch process differs between them.
Think about how memory addressing can be structured differently.
Discuss potential optimizations that could reduce the clock cycle time during the fetch process while ensuring correctness.
Consider how different stages might be overlapped in a streamlined process.
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