Practice Basic Processing Element (5.2.1) - Demultiplexer - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is the main function of a demultiplexer?
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Think about how it interacts with multiple outputs.
Question 2.
Name one arithmetic operation performed by the ALU.
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Consider basic math operations.
3Question 3.
What does a demultiplexer do?
- Combines multiple inputs
- Routes one input to many outputs
- Processes arithmetic operations
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Think about how it operates compared to a multiplexer.
4Question 4.
True or False: The ALU can only perform arithmetic operations.
- True
- False
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Consider what the ALU can do beyond basic arithmetic.
Question 5.
Design a demultiplexer that routes one input to 16 outputs. How many select lines will you need and why?
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Think about exponentiation and binary representation.
Question 6.
In an ALU, how would you handle an undefined state produced in a sequential circuit? Suggest potential design alterations.
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Consider controls and timing mechanisms in digital circuits.

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