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Peripherals are the hardware devices in a computer that perform specialized tasks and are external to the main computer's motherboard. Peripherals can be connected directly into slots on the motherboard, or through ports such as the serial port, the parallel port, USB or Universal Serial Bus ports, and many other kinds of connections.
Some popular examples of a peripheral are:
- Hard disks
- Keyboards
- The Mouse
- Scanners
- Sound cards
- Graphics cards
- Network interface cards or NIC's
When a peripheral reaches a certain level of popularity, like network interface cards, they are frequently integrated directly into the computer's motherboard.
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