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Take Off Century #Critical Thinking
21 st
Skills
Find and count the number of computer keyboards and mouse.
Computer Keyboard Computer Mouse
As you know keyboard and mouse are input devices of a computer. They tell the
computer what to do. Let us learn more about them.
KEYBOARD
A keyboard has 104 keys. We type using these keys. Look at different keys of a keyboard.
Number keys
Backspace key Delete key
Spacebar key Alphabet keys Arrow keys Enter keys
Alphabet Keys: These keys are used to type letters, words and sentences. There are
26 alphabet keys on the keyboard.
Number Keys: These keys are used to type numbers. They are also called numeric
keys. There are 10 number keys.
32 Premium Edition-II

