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5 cards from this section. Quick, good the night before a test.
What is a control signal?
Think of it as a traffic signal for data flows.
Name the three stages of the instruction cycle.
What does the CPU do with an instruction?
What is the primary function of control signals?
Think of control signals as instruction guides for the CPU.
The instruction cycle includes which of the following phases?
What does the CPU need to do with data?
Design a control unit for a hypothetical CPU that uses a three-bus architecture. Describe how control signals will be generated.
Consider how each bus will operate simultaneously and how control commands shift based on bus usage.
Compare the impact of hardwired control units versus micro-programmed control units in terms of flexibility and speed. What are the potential trade-offs?
Think about how changing instructions would affect each design.
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