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Real Time Clock usually refers to a hardware IC which is designed to keep time accurately. Dallas semiconductor makes a number of RTCs. If you are really curious, you can download datasheets at maxim-ic.com

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17y ago
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2mo ago

A real-time clock (RTC) is a device that keeps track of the current time and date even when the system is powered off. It is typically used in computers and electronic devices to provide accurate timing for various functions and processes. RTCs often have their own power source, such as a small battery, to ensure they can maintain accurate timekeeping even when the main power source is turned off.

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Q: What is mean by real time clock?
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