What isjiffy

Have you ever heard someone say, “I’ll be back in a jiffy?” Jiffy is an informal term for a short period of time, but it has evolved to have more precise uses as a measurement unit in different fields.

The word jiffy dates back to 1780, but its origin is still unclear. Some suggest that it was a thieves’ term for lightning.

Scientist Gilbert Newton Lewis (1875-1946) was the first to define a jiffy as the time it takes light to travel one centimeter in a vacuum. However, the term has since been redefined and adapted in various fields to measure different things, such as computing, electronics, and physics.


What is a jiffy in computing?

In computing, a jiffy is the duration of one tick of the system timer interrupt, typically used to measure CPU usage.

What is a jiffy in electronics?

In electronics, a jiffy is the time between alternating current power cycles (1/60 or 1/50 of a second, depending on the region).

What is Planck time?

Planck time is considered the shortest physically meaningful interval of time. It is approximately 5.4 × 10^-44 seconds.

Overall, jiffy has a fascinating history and serves as a useful measurement unit in various fields.

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