DIFFERENT TYPES IN KEY IN KEYBOARD

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A computer keyboard contains the following types of keys : 

Alphanumeric keys: All of the alphabet (A-Z) and numbers (0-9) on the keyboard. 

Punctuation keys: All of the keys associated with punctuation, such as the comma (,), period (.), semicolon (;), brackets ([]), and parenthesis ({ }) and so on. 

Alt key: Short for Alternate, this key is like a second control key. 

Arrow keys: There are four arrow keys to move the cursor (or insertion point) up (↑), down (↓), right (→), or left (←). 

Shift or Alt keys: To move the cursor in more than one position at a time. 

 Backspace key: Deletes the character just to the left of the cursor (or insertion point) and moves the cursor to that position. 

 Caps Lock key: It is a toggle key. 

 Ctrl key: The control key is used in conjunction with other keys to produce control characters. 

 Delete key: The Del key deletes the character at the current cursor position, or the selected object, but does not move the cursor. 

 Enter key : It is used to enter commands or to move the cursor to the beginning of the next line. 

 Esc key: The Escape key is used to send special codes to devices and to exit (or escape) from programs and tasks.

  Function keys: Special keys labelled F1 to F12.

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