What function does a serial interface perform in data communication?
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In telecommunication and data transmission, serial communication is the process of sending data one bit at a time, sequentially, over acommunication channel or computer bus. This is in contrast to parallelcommunication, where several bits are sent as a whole, on a link with several parallel channels.
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A serial interface is a communication interface between two digital systems that transmits data as a series of voltage pulses down a wire. A "1" is represented by a high logical voltage and a "0" is represented by a low logical voltage.
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