What is stopwatch and how to work?

a watch that may be started and stopped terribly quickly which is employed for activity the number of your time that's taken to try and do one thing.
Working:
Stopwatches square measure watches that point events. rather than telling one the time of day, the stop watch tells the person however long it took to perform a definite operate. Some stopwatches will time multiple events. Some stopwatches will time components of the event beside the overall time of the event.o do one thing
Stopwatch
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Stopwatch

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