Keyboard is the primary text input device on all computers which contain standard function keys such as escape tag and cursor movement keys. It is like a traditional typewriter which use same key arrangement as the mechanical and electronic keyboards. The arrangement of alphabetic keys is Qwerty keyboard. Another key arrangement Dvorak which was designed to use easily.
There is no one standard keyboard, all are manufacturers create their own. Most keyboard have same function. Essential component to keyboard are the letter keys which allow operator to write on the computer. Keyboard can be found nearly in many languages to match with the computer settings. Like alphabets, numbers, basic navigation function like arrow key and the “enter” key are also included on keyboard.
The main purpose it serve is to input data into a computer so application can function as the user desires. It can also be used for gaming and give command for computer operating system. A standard keyboard has 105 keys.
Insert key switches between insert and overtype mode. Home key brings the cursor to the beginning of the page. Page Up and Page Down helps you to move on pages without using mouse. Delete has erase the document or page or text that you has been select. End key takes you end of the page.
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