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4 cards from this section. Quick, good the night before a test.
What is a microprogrammed control unit?
Think about how it differs from hardwired control.
Define microinstruction.
Focus on what it 'instructs'.
What does a microprogrammed control unit use to generate control signals?
Recall the definition we discussed for microprogramming.
True or False: Microprogrammed control units are inherently faster than hardwired control units.
Focus on speed vs. flexibility.
Design a hypothetical microprogram for a task that involves adding two numbers, detailing the required microinstructions and expected control signals.
Think about the steps needed for performing addition and how each instruction leads to the next.
Analyze the consequences of a jump instruction in a microprogram. What changes in control flow, and how do you handle it with a micro-program counter?
Consider how branching operates in programming languages and compare it to how flags control flow in microprogramming.
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