Practice - Demultiplexers and Decoders
Practice Questions
Test your understanding with targeted questions
What is the primary function of a demultiplexer?
💡 Hint: Think about how it directs an incoming signal.
How many outputs does a 1-to-8 decoder have?
💡 Hint: Consider the formula for outputs based on input lines.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a demultiplexer do?
💡 Hint: Think about how signals are routed in your circuits.
True or False: A decoder can have more outputs than the number of its input lines.
💡 Hint: Consider how many different combinations of binary inputs exist.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a 4-to-16 decoder using two 3-to-8 decoders. Explain the connections.
💡 Hint: Focus on how select lines help split the input between two decoders.
Create a circuit that uses a demultiplexer to control multiple LEDs with a single switch based on binary input.
💡 Hint: Remember how the inputs determine the output path!
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Reference links
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