Difference between Serial ports and Parallel ports

Difference between Serial ports and Parallel ports Points : difference between serial ports and parallel ports, define ports. compare and contrast: serial ports and parallel ports Ports A ports is a socket at the back of a computer used to plug-in various devices. Personal computers have various types of ports. Internally; there are several ports for connecting disk drives, display controllers and keyboards. Externally, personal computers hive ports for connecting modems, printers, scanner and other peripheral devices.

Difference between Serial ports and Parallel ports
Serial ports
Parallel ports
1. A direct link with micro computer’s bus that facilitates the serial transmission of data. A direct link with microcomputer’s but facilitates the parallel transmission of data.
2. Serial ports are used for connecting cable that transmit bits one after the others. Parallel ports are used for connecting cable that transmit serial of bits simultaneously.
3. Rate of data transfer is slow. Rate of data transfer is fast.
4. Serial lines are used for connecting far away devices such as linking a modern to a telephone line. Parallel lines are used for connecting devices located close by such as a printer.
5. A serial ports also called a male. connector, has 9 or 25 pins. A parallel ports also called a female connector, it consists of 9 or 25 holes.
6. Serial port can be named as COM1, COM2 and soon. Parallel port can be name as LPT 1, LPT2 and soon.

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