jiffy
1. The duration of one tick of the computer's 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]Last updated: 2002-03-02
Nearby terms:
JFCL ♦ JFDI ♦ JFET ♦ JFGI ♦ JFIF ♦ jiffy ♦ Jim Clark ♦ Jini ♦ JIPS ♦ JIT ♦ jitter
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