Pengertian Keyboard dan Jenis-Jenisnya 

Understanding Keyboard and type of its kind

  The keyboard is a tool to write commands through the script and numbers into a monitor screen before the order is processed electronically by the Central Processing Unit (CPU). Forms are generally the same keyboard with the keys on a typewriter, the difference is the number of keyboard keys for letters, numbers and other commands more than those found on a typewriter. Data or commands can be entered into the computer via the keyboard. So the keyboard is a link between humans and computers with intermediaries fingers.

 

1. Keybord QWERTY

 As the name implies QWERTY is a row of letters on the top row of the keyboard. Keyboard manufactured by Remington company in 1873 and a keyboard design first used on typewriters in the United States in 1874. The QWERTY keyboard is the development of the typewriter. Settings button is selected to reduce keystrokes that may accidentally step on manual typewriters. For example the letter ',' t 'and' h 'are placed far apart though are often used together in a sentence in English. Until now, this type of fixed Qwerty keyboard is used.

2. Keyboard DVORAK

This keyboard is made in 1936. Dvorak keyboard was made based on the principles of biomechanical and work efficiency. The setting-type QWERTY key layout with letters made such that there is 56% knock on the right and the fingers are more likely to work is the index finger, middle finger and ring finger. Typesetting based on frequency of use. The letters in the middle of the line more often knocked about 70% and switch between lines is only about 10%, public letters, usually under the fingers of the dominant and can increase typing speed and reduce 10-15% hand fatigue.

3. Keyboard KLOCKENBERG

This keyboard is made with the intention of improving the existing keyboard type, namely by separating the two halves of the keyboard (left and right). The left and right of the keyboard are separated by an angle of 15 degrees and sloped downward. In addition, KLOCKENBERG keyboard has keys that can be made closer (thin) to the work table so that it feels more comfortable. KLOCKENBERG keyboard look funny because it separates the left and right are relatively more space consuming.

4. CHORD Keyboard

Only a few buttons between 4 to 5. To enter a letter have to press several buttons simultaneously. The compact size, ideal for portable applications. Short training time, keystrokes Tombo 'form letter you want high speed less popular, due to prolonged usage will cause fatigue in hand.

5. keyboard MALTRON

Unlike the generally flat keyboard, the keyboard is made slightly concave to the inside. With the consideration that when a finger is positioned for typing, the fingers are guaranteed not form a straight line. Manufacturers Maltron believe that basically, only using the fingers 8 available ten fingers while typing with the keyboard biasa.Laki men by typing on a regular keyboard, the fingers have to adapt to the shape of the keyboard. Claimed by them can cause RSI (repetitive stress injury). Meanwhile, using Maltron, keyboardnyalah which will adjust by hand. With its unique shape like this, Maltron ensure comfort while typing fingers so as not to cause RSI can even improve typing speed is 10 because it used 8 fingers.

6. Keyboard Proyeksi

To save space (placed on any flat surface over), works with a motion sensor, if certain finger movement, the scanning system will send a signal to a computer chip when the user presses a certain button. Used for example in the PDA as a mouse replacement.