Which of the following is a sequential circuit?
(A) Multiplexer
(B) Decoder
(C) Counter
(D) Full adder


Answer: (C)

Explanation:

• Multiplexer, Decoder and Full adder are example of combinational circuits.
• Counter is a Sequential circuit.

For more information on sequential circuits Refer:Digital Logic | Introduction of Sequential Circuits
Option (C) is correct.

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