meaning of jfet
1. JFET Junction Field Effect Transistor JFIF JPEG File Interchange Format jiffy 1. The duration of one tick of the computers system clock. Often one AC cycle time 1/60 second in the US and Canada, 1/50 most other places, but more recently 1/100 sec has become common. 2. Confusingly, the term is sometimes also used for a 1-millisecond wall time interval. Even more confusingly, physicists semi-jokingly use "jiffy" to mean the time required for light to travel one foot in a vacuum, which turns out to be close to one *nanosecond*. [Jargon File]
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