Computer Keyboards

By: Jesse Miller

A keyboard is an input device that contains keys. You press to enter data into the computer. A desktop computer keyboard, typically has 101 to 105 keys. Keyboard for smaller computers such as notebooks contain fewer keys. A computer keyboard includes keys that allow you to type letters of the alphabet, numbers, spaces, punctuation marks, and other symbols such as the dollar sign and asterisk sign. a keyboard also contains other keys that allow you to enter data and instructions into the computer.

Input Devices

an input device is any hardware component that allows you to enter data,programs, commands, and user responses into a computer. Depending on your particular application and requirement, the input device you use may very. Other input devices include the keyboard, mouse, digital camera, scanner, and Marco. The two primary input devices used by the keyboard and the mouse. This section discusses both of these input devices.

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Most handheld computers, such as smart phones, PDAs, and tablet PCs, use a variety of alternatives for entering data and instructions. One of the more popular handheld computer input devices is the stylus. A stylus is a small metal or plastic device that looks like a ballpoint pan, but uses pressure instead of eat to write, draw, or make selections. Many smart phones include a digital camera so users can send pictures and videos to others.

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