Multiplexers and De-multiplexers MCQs | TechSpark AI

 Multiplexers and De-multiplexers MCQs | TechSpark AI

1. A multiplexer is used to:

    A) Convert parallel data to serial data
    B) Convert serial data to parallel data
    C) Select one of many inputs and forward it to the output
    D) Decode binary data

2. How many selection lines are required for a 4-to-1 multiplexer?

    A) 1
    B) 2
    C) 3
    D) 4

3. A 16-to-1 multiplexer requires how many control lines?

    A) 2
    B) 3
    C) 4
    D) 5

4. Which of the following is true about a de-multiplexer?

    A) It has one input and multiple outputs
    B) It has multiple inputs and one output
    C) It performs a logic operation
    D) It converts digital data to analog

5. Which of the following can be used to implement a function of multiple variables?

    A) Flip-flop
    B) Decoder
    C) Multiplexer
    D) Shift register