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RTC Full Form

RTC stands for Remote Time Clock. It is a computer-based clock formed over Integrated Circuits (IC) for keeping track of time. These clocks are different than Hardware clocks as hardware clocks don’t use time in human units. Today, almost every electronic device uses an RTC for keeping up with accurate time. In 1984, IBM introduced PC compatible RTC which used Motorola’s MC146818 RTC. Later, Dallas Semiconductors started mass production of compatible RTCs for old personal computers. Some microcontrollers had a built-in RTC while newer systems had them integrated with southbridge chips. Characteristics of RTC :

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