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2 cards from this section. Quick, good the night before a test.
Name the two primary registers involved in instruction fetching.
Think about where instructions and their addresses are stored.
What does the control signal do?
Consider its role in directing operations.
What does the Program Counter (PC) do?
It tells you where the CPU needs to go next.
True or False: The Instruction Register (IR) holds the next instruction to be executed.
Consider the role of the IR in the execution process.
Design an instruction sequence for the CPU that involves both loading data and performing an addition. Illustrate how you would draw the control signals for each step.
Think about what signals you'd need to ensure each operation executes smoothly.
How would additional complexity, like a conditional instruction, impact the control signals compared to a simple load operation? Provide specific examples.
Consider the decision-making processes that influence control signal pathways.
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