Class 3 Computer Unit 1 Computer Basics
Class 3 Computer Unit 1 Computer Basics Questions and Answers for Grade 3 – Unit 1 | CBSE School Edition
TYPE-I (Short answers based questions)
1. Write down the function of the following keys
(i) Caps Lock Key (ii) Space bar key
A- Function of the following keys:
(i) Caps Lock Key: Toggle between uppercase and lowercase letters while typing.
(ii) Space bar key: Insert a space between words or characters.
2. What is the purpose of scroll button of the mouse?
A- Purpose of scroll button of the mouse: The scroll button (or scroll wheel) is used to scroll through documents, web pages, and other content vertically without having to move the cursor.
3. Why should one take some precautions in the Computer room?
A- Precautions should be taken in the computer room to ensure the safety and proper functioning of the computer equipment, prevent damage, and maintain a conducive environment for effective computer use.
4. Draw / paste the picture of a Computer.
5. How can a computer be used for:
6. (i) Education
A- Education: Computers can be used for online learning, research, creating educational content, interactive lessons, simulations, and more.
(ii) Medical?
A- Medical: Computers are used for storing and analyzing medical records, diagnostic imaging, research, simulations, telemedicine, and managing patient information.
7. Write down any two things you should do in the Computer room and also you should not do.
A- Two things you should do in the Computer room:
Handle the keyboard gently and with clean hands.
Shut down the computer properly before leaving the room.
Two things you should not do in the Computer room:
Eat or drink near the computer equipment.
Play with wires, cables, or other computer accessories.
8. State what would happen if
a. We clean the computer with a wet cloth.
A- Cleaning the computer with a wet cloth can damage the components and lead to electrical hazards.