Page 11 - COMPUTER

 KEYBOARD 
Keyboard Is An Input Device That Is Used For Input Of Text Into The Computer
In The CUI (Character User Interest). Keys Placed On The Keyboard Are In A
Special Sequence According To The Human Hand.

➢ Types Of Keys

1) Alphanumeric Keys
2) Function Keys
3) Special Keys

• Alphanumeric Keys: - Alphanumeric Keys Are The Keys On A
Keyboard That Consist Of Letters Or Numbers And Sometimes Other Symbols.
They Include The Letters A To Z, As Well As The Numbers 0 Through 9. Or
Symbols

• Function Keys: - A Button On A Computer Keyboard, Distinct From
The Main Alphanumeric Keys, To Which Software Can Assign A Particular
Function. Example F1 To F12

• Special Keys: - A Special Key Or Media Key Is A Keyboard Key That
Performs A Special Function Not Included With The Traditional 104-Key
Keyboard. For Example, In The Picture To The Right Of A Logitech Keyboard,
You Can See That The First Four Buttons Shown Control The Volume Of Your
Speakers And The Brightness.
Example : Shift, Control (Ctrl), Alter (Alt), Escape (Esc), Caps Lock, Num Lock,
Scroll Lock, Back Space, Enter ,Home, End, Page Up, Page Down, Delete(Del),
Print Screen (Prt Sc) Etc.

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