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4 cards from this section. Quick, good the night before a test.
What is the first step in the fetch-decode-execute cycle?
Think about the initial action performed by the CPU.
Define immediate addressing mode.
Remember, it doesn't require access to memory.
What are the three main steps of the CPU instruction cycle?
Remember the acronym FDE.
True or False: In immediate addressing mode, the operand must be fetched from memory.
Think about how immediate mode works.
Design a CPU instruction set that utilizes all three addressing modes. Describe a use case for each.
Think about practical examples where each mode might be beneficial.
If a CPU can only handle 256 bytes of memory, what are the implications for using direct and indirect addressing modes?
Consider how memory limits affect operational efficiency.
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