Which of the following are sequential circuits?
A. Flip flop
B. Multiplexer
C. Counter
D. Decoder
E. Adder
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: B. A, C Only
Explanation
Flip-flops and counters store state, so they are sequential. Multiplexers, decoders and adders are combinational.
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