- A mouse is a device used to control the onscreen selection of information on th graphical user interface (GUI) of a computer. There are also track balls and track pads that fulfill the same function. One of the main goals with mice is ergonomics. If someone is going to be using this device for 8, 10, or 12 hours a day it needs to be comfortable.
- A computer keyboard is used to type information as well as perform different key commands for an individual program. There are a handful of keyboards or keyboard covers made with colored and labeled keys that signifies key commands for a specific program. Keyboards, like mice, are another item often ruled by ergonomics. Comfort and looks are always important.
- There are a handful of cables used to interconnect computer components. These include VGA and DVI video monitor cables, USB (Universal Serial Bus, and Firewire.
- The display where everything happening on a computer is shown. Most are flat panel and widescreen. Some are VGA and others are DVI.
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