Friday 3 April 2009

Peripherals




A peripheral is a piece of computer hardware which is extra to a host computer, which means any computer except the computer.

The term also tends to be applied to devices that are enthusiastically up externally, typically through some structure of bus like a UBS.



Some examples of this are;
Joystick
Printers
Scanners


How different peripherals communicate with the computer?
Many peripherals have to be connected using a single standardized interface socket.
To improve the plug-and-play capabilities the computer permits devices to be connected and disconnected without the computer to be rebooted.


An advantage to use the peripherals is that when they are connected to the computer, there is no need to have any extra power supply and can allow other devices to be used without having to require a manufacture specific drives, which may need to be installed.

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