Practice Combinational Circuits (5.3.1) - Demultiplexer - Computer Organisation and Architecture - Vol 1
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Combinational Circuits

Practice - Combinational Circuits

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of a demultiplexer?

💡 Hint: Think about how it controls outputs based on input.

Question 2 Easy

How many select lines are needed for a demultiplexer with 4 outputs?

💡 Hint: Use the concept of logarithm.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of a demultiplexer?

To sum two numbers
To route one input to multiple outputs
To store data

💡 Hint: Think about what the demultiplexer's job is.

Question 2

True or False: An ALU can only perform arithmetic operations.

True
False

💡 Hint: Recall the different types of operations performed by an ALU.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a 4-to-16 demultiplexer circuit. Explain how many select lines you would use and why.

💡 Hint: Think about the power of 2 needed to achieve 16 outputs.

Challenge 2 Hard

Illustrate how an ALU could be constructed using an array of basic gates to perform addition and subtraction. Describe the role of control signals.

💡 Hint: Consider how you would implement addition and adjustment logic using basic gate principles.

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