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4 cards from this section. Quick, good the night before a test.
What does a control unit do?
Think about its role in command execution.
What is the primary advantage of a hardwired control unit?
Consider why hardware might perform faster than software.
What type of control unit uses fixed logic circuits?
Remember the nature of components in hardwired designs.
Finite state machines are used in control units to govern operations. True or False?
Think about how control signals relate to states.
Design a hardwired control unit for a simple microprocessor that can handle three operations: ADD, SUBTRACT, and LOAD. Define the necessary states and control signals.
Focus on how states transition based on the opcode inputs.
Critically evaluate the benefits versus the drawbacks of using a hardwired control unit in a modern computer architecture that may need to adapt to new instruction sets.
Compare hardwired characteristics against modern needs for flexibility.
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