Discussion
While designing a sequential circuit, the clock signals are used because of :
Answer: C
Clock signals are used to synchronize events in various parts of a system.
In a synchronous sequential circuit every flip-flop changes state only at a clock edge. The clock therefore makes all state changes happen together at known instants, so that signals have time to settle between edges and the circuit behaves predictably despite gate delays.
The clock signal does not tell the time of day or measure time since power-on; real-time clocks are separate devices. Nor does it carry serial data, which travels on data lines, although a clock may time when each bit is sampled.
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