ICT Class 3 - Fundamentals Of-Computer Notes
Comprehensive study notes for Class 3 - Fundamentals Of-Computer olympiad preparation
Fundamentals of Computer
Welcome to the chapter on Fundamentals of Computer for Class 3. In this chapter, you will learn what a computer is, its main parts, and how it works. By the end of this chapter, you will understand the basic functions of a computer and how it helps us in our daily life!
Introduction
A computer is an electronic machine that helps us do many things quickly and easily. It can store information, solve problems, and help us learn, play, and work.
Main Parts of a Computer
- Monitor: Looks like a TV and shows pictures, text, and videos.
- Keyboard: Has many keys to type letters, numbers, and symbols.
- Mouse: Helps us point, click, and select things on the screen.
- CPU (Central Processing Unit): The brain of the computer. It does all the work.
- Speakers: Play sounds and music.
- Printer: Prints words and pictures on paper.
How Does a Computer Work?
- We give instructions to the computer using the keyboard and mouse.
- The CPU follows these instructions and shows the result on the monitor.
- We can listen to sounds using speakers and print our work using a printer.
Uses of Computer
- Learning new things
- Playing games
- Drawing and coloring
- Writing and printing
- Watching videos and listening to music
- Solving sums and doing homework
Fun Activity: Label the Computer Parts!
Draw a computer and label its parts: monitor, keyboard, mouse, CPU, speakers, and printer.
Summary
- A computer is an electronic machine.
- It has many parts like monitor, keyboard, mouse, and CPU.
- Computers help us learn, play, and work.
Practice Questions
- Name two main parts of a computer.
- What does the CPU do?
- How do you give instructions to a computer?
- What part of the computer shows pictures and videos?
- Can you print your homework using a computer?
Challenge Yourself
- List three things you have done on a computer.
- Draw and color a computer and its parts.
Did You Know?
- The first computers were very big and slow!
- Today, computers can fit in your hand as tablets and smartphones.
Glossary
- Computer: An electronic machine that helps us do many things.
- Monitor: The screen of the computer.
- Keyboard: The part used to type.
- Mouse: The part used to point and click.
- CPU: The brain of the computer.
Answers to Practice Questions
- Monitor, keyboard (any two: mouse, CPU, speakers, printer).
- It does all the work and follows instructions.
- Using the keyboard and mouse.
- Monitor.
- Yes.
Computers are amazing machines! Learn their parts and use them to do wonderful things.