Types of Computer Keyboard and Functions

A. Types of Computer Keyboard Physical

 1. Serial Keyboard: use the AT type computer

    Serial keyboard

  2. PS / 2 Keyboard: use the computer ATX

    Keyboard PS / 2

3. Wireless Keyboard: used on all types of computers and laptops

    Wireless keyboard

4. USB Keyboard: To ensure faster data transfer

    USB keyboard

B. Type Keyboard Computer Using Forms and Buttons

    1. QWERTY Keyboard: found by Scholes, Glidden and Soule in 1878, and the QWERTY keyboard function is used as a standard commercial typewriter in 1905.

2. Dvorak Keyboard: discovered in 1932 by 10-15% more efficiently designed than the QWERTY keyboard

3. KLOCKENBERG Keyboard: The keyboard is made with the intention enhance existing keyboard types, namely by separating the two halves of the keyboard (left and right).

 4. Maltron Keyboard: This keyboard is made slightly concave to the inside. Considering that at the time the fingers are positioned to be typing, the fingers that are guaranteed not to form a straight line

 5. Chord Keyboard: This keyboard has only a few buttons between 4 to 5. To enter the letters have to press multiple keys simultaneously. The size is compact, very suitable for portable applications

6. Keyboard Alphabetik: alphabetik keyboard are arranged exactly like the layout of the QWERTY and Dvorak, but the arrangement of the letters in sequence as in alphabetical order

  7. Numeric Keyboard: Keyboard aims to enter numbers in large numbers

C. Computer Keyboard Key Functions

•         Back Space: to delete one character to the left of the cursor
•         Caps Lock: to make lowercase to uppercase or Kapital
•         Delete: to erase one character at the cursor position
•         Esc: to cancel an order from a menu
•         End: to move the cursor to the end of the line / page / worksheets
•         Enter: to move to a new line, or to perform a process command
•         Home: To go to the beginning of the line or to the left corner of the screen
•         Insert: to insert a character
•         Page Up: to meggerakan cursor one screen to the top
•         Page Down: Move the cursor to one screen down
•         Tab: to move the cursor to the right one tabulation
•         Numeric Key: provides command toggle numeric keypad functions
•         Function Key: tombil consists of F1 s / d F12. The function of this button varies depending on  the computer program used
•         Special Function Key: This key consists of Ctrl, Shift, and Alt. Button will have functions when pressed simultaneously with other buttons