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2 cards from this section. Quick, good the night before a test.
What is the role of the control unit?
Think about what coordinates operations in the processor.
Define microinstructions.
Consider how these break down macro instructions.
What is the primary function of a control unit?
Think about the role managing operations.
Is a micro-programmed control unit faster than a hardwired control unit?
Consider speed versus flexibility.
Design a simple micro-program for an ADD operation with two registers, detailing each microinstruction and its associated control signals.
Break down the addition process into operations.
Explain how conditional branching differs in micro-programmed control from hardwired control and give an example.
Consider how conditions dictate flow in both systems.
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