Peripheral
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User interface peripherals
A peripheral device is "an ancillary device used to put information into and get information out of the computer."[1]
Three categories of peripheral devices exist based on their relationship with the computer:
- an input device sends data or instructions to the computer, such as a mouse, keyboard, graphics tablet, image scanner, barcode reader, game controller, light pen, light gun, microphone, digital camera, webcam, dance pad, and read-only memory);
- an output device provides output from the computer, such as a computer monitor, projector, printer, headphones, and computer speaker); and
- an input/output device performs both input and output functions, such as a computer data storage device (including a disk drive, USB flash drive, memory card, and tape drive) and a touchscreen.
Many modern electronic devices, such as digital watches, smartphones, and tablet computers, have interfaces that allow them to be used as computer peripheral devices.
See also
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Look up peripheral in Wiktionary, the free dictionary. |
References
- ↑ Laplante, Philip A. (2000). Dictionary of Computer Science, Engineering and Technology. CRC Press. p. 366. ISBN 0-8493-2691-5. Archived from the original on September 23, 2016. Retrieved January 16, 2018.
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