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3 cards from this section. Quick, good the night before a test.
What is a control signal?
Think about the role of commands in controlling devices.
Why is it important not to enable multiple outputs on the control bus?
Consider what happens when two devices try to send data simultaneously.
What does a microinstruction do?
Focus on the purpose of microinstructions.
True or False: Multiple registers can send signals to the control bus simultaneously.
Consider what happens if two devices try to function at once.
Design a step-by-step process for how the CPU would handle the instruction 'MOV R1, 32' including all necessary microinstructions.
Map out each instruction logically as it flows through the CPU architecture.
Discuss the effectiveness of different methods in handling contention within a CPU.
Consider how traffic is managed at a busy intersection.
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