Keyboard is a board consisting of buttons such as letters of the alphabet (A-Z) to type a sentence, there are also figures 3, 4, 5, 8, 3, 3, etc., and other special symbols on the computer . In computing, a keyboard using the arrangement of buttons or keys, to act as mechanical levers or electronic switches.
The following keyboard types.
1. QWERTY keyboard
This is the most common keyboard. This keyboard is made based on the layout of the typewriter that supposedly found by Scholes, Glidden, and Soule (1878) which is then used as a standard commercial typewriter in 1905. Keyboard design is created in such a way; the dominant key is pressed located far apart.
The goal is to avoid congestion typing on a mechanical typewriter case, of course. Although widely used keyboard layout, there is still a weakness. Key load between both hands are still not aligned, still one-sided. See it, typing the letter A is often used, must be the weakest finger, the pinkie.
2. Dvorak keyboard
Keyboard was born in 1932, arranged in such a way. Thus, the right hand burdened with more work than the left. In addition, the layout is specially designed to reduce fatigue while typing. In an experiment says Dvorak keyboard layout 10 to 15 percent more efficient than QWERTY type
3. keyboard KLOCKENBERG
The keyboard is aimed at perfecting the old type of keyboard. Here occurs the separation of both the right and left of the keyboard at an angle of about 15 degrees and is designed sloping downward. This keyboard also has buttons closer. Glimpse of this unique keyboard, even funny because a lot of empty space as a separator provides.
4. Keybard MALTRON
The keyboard is formed is not flat, but slightly concave to the inside. Consideration, as set typing fingers, not fitting a straight line. Maltron manufacturer says, essentially only 8 fingers of a human finger 10 which is used when typing. Convenience of typing speed can be born from this keyboard because it used 10 fingers comfortably and not cause pain.
5. keyboard CHORD
Keyboard is unique in that it has about 4 to 5 buttons that can be used to enter a specific letter by pressing a few buttons at once. Judging from its size, very compact and suitable portable applications.
6. alphabetic keyboard
Glance at the keyboard layout is similar to the Qwerty or Dvorak. Only, such as the sequential arrangement of alphabet letters. Usually found in many toys, so they know the letters. Although the handyman type, of the test results, it slows down the speed.
7. NUMERIC keyboard
This is a keyboard where the numbers in large numbers entered accidentally. This set of people who prefer to use the numeric keypad layout buttons easily affordable.
Other types of Keyboard
Labels: knowledgePosted by Setia Wan at 13.3.12
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PC - personal computer and maintainance
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