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Computer Keyboard

Keyboard is the device that is an essential component in any computer. It is known fact that this device is used to provide Input in a computer. The keyboard is much similar to that of a type writer. The Keyboard having 101 keys was earlier considered as a standard keyboard.

This device is a detachable one that means that it is a plug and play device. The device can generate all the 128 ASCII – American Standard Code for Information Interchange characters.

It can cause the machine to generate and display or print 256 characters, shapes, and symbols. The keyboard is usually is fundamentally divided into three parts like as described below:

Function keys:

The function keys are programmable. They are used to execute specific programs or to initiate the special software routines. The function keys can be programmed by the software designer.

Numeric Keypad:

The keys on the Numeric keypad are basically used for entering digits. By disabling this function, they can be used as cursor keys also.

Alpha-numeric keypad:

The Alpha Numeric keypad is basically the typewriter keypad and it contains all the characters as well as the numbers and the graphic symbols.

The keyboards of present generations are available with much more features. They are usually multimedia that is have many buttons like the control of volume in it. Like increasing the volume or decreasing the volume, one touch email button, and play, pause, stop etc. Some shortcut buttons for specified software programs etc.

The keyboards also are available that are wireless. It means limited mobility that is in a restricted user space. This is a new feature that hasn’t gained much popularity due to the price tag.

The keyboard also has an inbuilt mouse in it like that available in a laptop. This feature makes it more interactive as well as attractive.

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