Define ports and describe it types. | web4study

Define ports and describe it types.



Ports:

A port is a socket at the back of a computer used to plug-in various devices. Personal computers have various types of ports.

Types of ports:

There are two types of port

Serial ports:

A port or interface that can be used for serial communication, in which only 1 bit is transmitted at a time, is called serial port. A serial port, also called a male connector, has 9 or 25 pins. 

Parallel port:

A socket on a computer for transmitting data in parallel, which means more than one bit at a time, is called parallel port. There may be 8, 16, or 32 channels (wires); each channel carries one bit of information. A parallel port also called a female connector, has 25 holes.


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