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A computer keyboard is an input device. It is very similar in layout to a typewriter keyboard. A keyboard has several different buttons that are called "keys." These keys have letters, numbers and symbols on them. The keys can also be pressed simultaneously to generate specific actions from the computer. more »
Most computer keyboards have a molded plastic exterior and a series of plastic keys that move independently. Small plastic brackets anchor these keys in place on top of a circuit board that is covered in a watertight rubber membrane. The vast majority of keyboard manufacturers use a design featuring small rubber domes underneath each... more »
Computer keyboards are the gateway between you and your computer. They allow users to communicate on the Internet as well as create documents for school, business and personal reasons. The model, style and capability of a computer keyboard impacts the economic value of the tool. There are simple keyboards that allow you to do no more... more »
PC computers have keyboard options that can be turned on without the user's knowledge. Nothing can be more frustrating than beginning a session of work at your computer and finding that your keyboard is either responding very sluggishly or is not responding at all. The term locked keyboard can also be used when a keyboard is... more »
Modern computer keyboards operate using switches embedded underneath the keys. When a key is pressed, the rubber dome underneath the key casing is compressed and hits the conductive contact below, completing the circuit. A chip in the computer receives the signal and then tells the software which key has been pressed. The particular... more »
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A report appeared in the Wall Street Journal claiming that typists' fingers travel about 16 miles a day as they pound 115,200 keys. The combined... more »
Computer keyboards are an input device. They put the information a person types into a program on the computer. Most keyboards have 80 to 110... more »
Keyboards are computer input devices that are used to produce letters and numbers while typing. Each individual key on the keyboard has a symbol... more »
Over time, computer keyboards will collect dust and crumbs on and between the keys. Keyboards should be cleaned when signs of dust are visible, to... more »
To some offices, it seems the copy machine repair techs are daily visitors. Learning to service your own machine can save you time and money. Many... more »
Modern Chinese keyboards are overlaid either on a standard Qwerty or Dvorak keyboard. Existing keyboards can be made into Chinese input devices by... more »
Despite the wide variety of types of keyboards available in the marketplace today, many people prefer keyboards from the early days of personal... more »
To understand the difference between a wireless keyboard and a regular computer keyboard, we must first have a basic understanding of how a... more »
The touch of a computer keyboard is as personal as a desktop preference. There are various types of computer keyboards, and choosing the right one... more »
Children can learn how to use a computer keyboard even before they've mastered drinking from a cup. As children grow, they begin to master their... more »
Thousands of people have discovered the advantages to buying and selling things on eBay. Musicians or even parents looking for an instrument for... more »
In computing, a keyboard is an input device, partially modeled after the typewriter keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However, to produce some symbols requires pressing and holding several keys simultaneously or in sequence. While most keyboard keys produce letters, numbers or signs (characters), other keys or simultaneous key presses can produce actions or computer commands.
In normal usage, the keyboard is used to type text and numbers into a word processor, text editor or other program. In a modern computer, the interpretation of keypresses is generally left to the software. A computer keyboard distinguishes each physical key from every other and reports all keypresses to the controlling software. Keyboards are also used for computer gaming, either with regular keyboards or by using keyboards with special gaming features, which can expedite frequently used keystroke combinations. A keyboard is also used to give commands to the operating system of a computer, such as Windows Control-Alt-Delete combination, which brings up a task window or shuts down the machine.
Types
Standard
Standard keyboards for desktop computers, such as the 101-key US traditional keyboards or the 104-key Windows keyboards, include alphabetic characters, punctuation symbols, numbers and a variety of function keys. The internationally-common 102/105 key keyboards have a smaller left shift key and an additional key with some more symbols between that and the letter to its right (usually Z or Y).
Laptop-size
Keyboards on laptops and notebook computers usually have a shorter travel distance for the keystroke and a reduced set of keys. As well, they may not have a numerical keypad, and the function keys may be placed in locations that differ from their pl read more at » http://en.wikipedia.org/wiki/Keyboard+(computing)
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