Parallel and Serial port

Write differences between the Parallel and Serial port.

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Parallel port and serial port are used to transfer the data in and out of the computer. In serial port transmission, only one bit is transmitted at a single time. Most serial ports on personal computers conform to the RS-232C or RS-422 standards. A parallel interface connects the external device like a printer. On PCs, parallel port utilizes a 25-pin connector (type DB-25) and is used for connecting the computers, printers and other devices which require relatively high bandwidth. It utilizes the parallel transmission of  the data.

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