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Senin, 13 Agustus 2012

Keyboard

What is the keyboard?
Creation of a computer keyboard comes from the model of typewriter is invented and patented by Christopher Latham in 1868, and in 1887 the company manufactured and marketed by Remington. The keyboard is digunakanan now this is kind of QWERTY, in 1973, was inaugurated as the keyboard standard keyboard ISO (International Standards Organization). The number keys on the keyboard consists of 104 keys.
What is the function of the keyboard?
The keyboard works include letters, numbers, special characters as well as a medium for the user (users) to perform other commands are required, such as saving a file and open the file.
The types of keyboard
1. Qwerty keyboard
The keyboard is made ​​in accordance with the layout of the typewriter. Keyboard layout is spacious, so freely to type. However, key load has not been consistent in both hands. The parts of the qwerty keyboard, namely:
  1. Typewriter key
  2. Numeric key
  3. Function key
  4. Special function keys
2. Dvorak keyboard
Dvorak keyboard is designed to be more burdened than the right hand right hand. In addition, the layout is
designed to reduce fatigue in typing.
3. keyboard Klockenberg
Keyboard klockenberg memisahakan both the right and left of the keyboard and is designed sloping downward. This keyboard has a button close.
4. Maltron keyboard
Keyboard maltron concave shaped into fingers while typing is not as straight-line fit.
5. keyboard Chord
Chord keyboard has 4 to 5 which can be used to input a specific letter by pressing the buttons simultaneously.
6. alphabetic keyboard
Alphabetic keyboard layout or equal to qwert dvorak. But, just like the alphabetical arrangement of letters in sequence.
7. Numeric keyboard
The keyboard contains numeric numbers.

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