Parallel and Serial port

Write differences between the Parallel and Serial port.




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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