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ICT Class 3 - Storage Devices Notes

Comprehensive study notes for Class 3 - Storage Devices olympiad preparation

Storage Devices

Welcome to the chapter on Storage Devices for Class 3. In this chapter, you will learn about different devices that help us store information on a computer. By the end of this chapter, you will know the names and uses of common storage devices!

Introduction

Computers store information like pictures, songs, games, and documents. We use storage devices to keep this information safe and use it whenever we need.

Types of Storage Devices

  • Hard Disk: Found inside the computer. It stores a lot of information.
  • CD/DVD: Round disks used to store songs, movies, and games.
  • Pen Drive: Small device that can be carried in your pocket. It stores files and can be plugged into the computer.
  • Memory Card: Used in cameras and phones to store photos and videos.
  • Cloud Storage: Stores information on the internet. You can access your files from anywhere.

Why Do We Need Storage Devices?

  • To save our work and use it later.
  • To share files with friends and family.
  • To keep photos, music, and videos safe.

Fun Activity: Spot the Device!

Look around your home or school. Can you find a pen drive, CD, or memory card? Ask your teacher or parents to show you how they work!

Summary

  • Storage devices help us save and use information on computers.
  • Common storage devices are hard disk, CD/DVD, pen drive, memory card, and cloud storage.

Practice Questions

  1. Name two storage devices you have seen.
  2. What does a pen drive do?
  3. Where is a hard disk found?
  4. What is cloud storage?
  5. Which device is used in cameras to store photos?

Challenge Yourself

  • Draw and label three storage devices.
  • Ask your parents to show you how to copy a file to a pen drive.

Did You Know?

  • The first hard disks were as big as a washing machine!
  • Cloud storage lets you save files without any device at home.

Glossary

  • Storage Device: A device used to save information.
  • File: A document, picture, song, or video saved on a computer.
  • Cloud: Storage space on the internet.

Answers to Practice Questions

  1. Pen drive, CD/DVD, memory card, hard disk (any two).
  2. It stores files and can be plugged into a computer.
  3. Inside the computer.
  4. Storage on the internet.
  5. Memory card.

Storage devices keep your computer files safe and ready to use!

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