Practice Multiplexer Configuration (22.3.1) - Micro-program Control Unit Overview

Practice: Multiplexer Configuration

Lesson 22.3.1Micro-program Control Unit Overview

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6 sample questions

Question 1.
What does a multiplexer do in digital systems?
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Consider its role in signal routing.
Question 2.
Define a micro-program counter (MPC).
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Think about its purpose in instruction execution.
3Question 3.
What is the primary function of a multiplexer?
- Route multiple outputs into a single line
- Select one input from multiple sources
- Divide one input into multiple outputs
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Think about the choices a multiplexer has with its inputs.
4Question 4.
True or False: The branch address field determines the next instruction regardless of conditions.
- True
- False
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Consider when the next address is actually chosen.
Question 5.
Design a multiplexer configuration for a scenario where three conditions must be checked to determine the flow of execution for micro-instructions. Detail how you would implement control signals for each condition.
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Think about the logic needed for each input setting.
Question 6.
Given a micro-program counter that needs to handle both incrementing and jumping based on a complex set of conditions, propose a set of signals and conditions to effectively manage the execution path.
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Consider the efficiency of how signals determine actions for every scenario.

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