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GLOSSARY Subject Enrichment
Arrow Keys: These keys are used to move the cursor up, down, left and right.
Backspace Key: This key is used to erase what we have typed.
Clicking: Pressing and releasing any button of a mouse is called clicking.
CPU: It stands for Central Processing Unit. It is the brain of the computer.
Cursor: A cursor is a small blinking line on the screen.
Headphones: They are used to listen to sounds and music without disturbing
others.
Keyboard: It is used for typing numbers and letters.
Laptop: It is a small portable computer that can be kept on your lap.
Printer: It is used to print text and pictures on paper.
48 Modular (Ver. 1.1)-I

