Computer has a built-in system clock that emits millions of regularly spaced electric pulses per Â Â Â Â Â Â Â Â Â Â Â called clock cycles.

Computer has a built-in system clock that emits millions of regularly

1.	Computer has a built-in system clock that emits millions of regularly spaced electric pulses per Â Â Â Â Â Â Â Â Â Â Â called clock cycles.
A.	second
B.	millisecond
C.	microsecond
D.	minute
Answer» B. millisecond