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3 Keyboard and Mouse
Your Aim
to learn about:
Keyboard Mouse
The keyboard and mouse are input devices. These are used for performing various
functions.
KEYBOARD
A keyboard has 104 keys. You have already learnt that the keyboard has Alphabet
keys, Number keys and some Special keys. Let us learn about a few more keys on
the keyboard.
Number keys Function keys Backspace key
Tab
key
Caps
Lock
Spacebar key Alphabet keys Arrow keys
Shift key Enter key
Alphabet Keys
We type letters, words and sentences with the help of alphabet keys. There are 26
alphabet keys on the keyboard.
Q W E R T Y U I O P
A S D F G H J K L
Z X C V B N M
28 Plus (Ver. 3.2)-II

