Logic Gates & Circuits MCQs | TechSpark AI

 Logic Gates & Circuits MCQs | TechSpark AI

1. Which of the following is a basic logic gate?

    A) AND
    B) OR
    C) NOT
    D) All of the above

2. A logic circuit that converts binary information from n input lines to a maximum of 2ⁿ unique output lines is called a:

    A) Decoder
    B) Encoder
    C) Multiplexer
    D) De-multiplexer

3. Which of the following is a universal gate?

    A) AND
    B) OR
    C) NOR
    D) NAND

4. The output of an AND gate is 1:

    A) When all inputs are 1
    B) When any one input is 1
    C) When all inputs are 0
    D) When any one input is 0

5. What is the binary equivalent of the decimal number 13?

    A) 1101
    B) 1010
    C) 1110
    D) 1001

6. A circuit that stores one bit of data is known as a:

    A) Register
    B) Flip-flop
    C) Multiplexer
    D) Counter

7. Which gate has an output that is the complement of the input?

    A) OR gate
    B) XOR gate
    C) NOT gate
    D) AND gate

8. How many possible combinations of inputs exist for a 3-input logic circuit?

    A) 4
    B) 6
    C) 8
    D) 10

9. A flip-flop is a:

    A) Sequential logic device
    B) Combinational logic device
    C) Arithmetic circuit
    D) Register

10. In a JK flip-flop, when both inputs are 1, the output will:

    A) Toggle
    B) Reset
    C) Hold its state
    D) Set