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2 cards from this section. Quick, good the night before a test.
What does the Program Counter (PC) do?
Think of it as a guide keeping track of where the CPU is in the sequence of instructions.
Define the Instruction Register (IR).
Consider what the CPU needs to know for executing commands.
What does the ALU do in a CPU?
Think of it as the calculator of the CPU.
True or False: The Program Counter is only relevant for loading instructions.
Consider its role beyond just loading - what else does it track?
Create an advanced operation where an instruction involves both fetching a value from memory and an arithmetic operation, detailing each step in the execution.
Outline each instruction step clearly.
Compare and contrast the instruction execution processes for a LOAD instruction and a ADD instruction, highlighting differences.
Consider the memory interactions between each step as a clue.
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