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What are the differences in serial and parallel ports?

hot air balloons Asked by luvly 11 months ago, 1 answer.

What are the differences/similarities between serial and parallel ports?

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Goran Answered by goran on Aug 20, 2007, 10:34PM
| 116 answers.

A parallel interface for connecting an external device such as a printer. Most personal computers have both a parallel port and at least one serial port.

On PCs, the parallel port uses a 25-pin connector (type DB-25) and is used to connect printers, computers and other devices that need relatively high bandwidth. It is often called a Centronics interface after the company that designed the original standard for parallel communication between a computer and printer. (The modern parallel interface is based on a design by Epson.)

Most serial ports on personal computers conform to the RS-232C or RS-422 standards. A serial port is a general-purpose interface that can be used for almost any type of device, including modems, mice, and printers (although most printers are connected to a parallel port).

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