real-time clock
Definitions
Computing
- noun a clock in a computer that provides the correct time of day
Electronics
- In a computer, an independent circuit which keeps track of the time of day. A real-time clock is not usually used to generate clock pulses. Its abbreviation is RTC. Also spelled realtime clock. Also called time-of-day clock.
- acronymRTC
http://www.dictionarycentral.com/definition/real-time-clock.html