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3 cards from this section. Quick, good the night before a test.
What is a control signal?
Think about its role in executing instructions.
Define hardwired control.
Consider flexibility when answering.
What are control signals?
Consider their operational role in the system.
True or False: Hardwired control units can easily be modified after fabrication.
Remember the nature of hardwired systems.
Design a micro-programmed control unit for a simple instruction set including ADD and STORE. Explain how you would manage control signal generation.
Focus on the organization of the micro-program memory.
Given a sequence of operations using control signals, analyze how you would handle a conditional branch in micro-programmed control.
Think about the flow of instructions and how conditions influence execution paths.
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