Computer Hardware Terms, Glossary and Dictionary

Serial port, also known as serial interface, is a port on the computer that transmits data in serial form (bit by bit), as opposed to a parallel interface which sends a number of bits at the same time. Within the computer, data is transmitted over parallel lines.The serial interface converts data from a parallel to a serial form for sending to the serial devices such as a modem, mouse, scanner or some serial priners.

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serial port