Q.

How many types of sequential circuits are?

A. 2
B. 3
C. 4
D. 5
Answer» A. 2
Explanation: there are two type of sequential circuits viz., (i) synchronous or clocked and (ii) asynchronous or unclocked. synchronous sequential circuits are triggered in the presence of a clock signal, whereas, asynchronous sequential circuits function in the absence of a clock signal.
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