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- Herausgeber: Poorav Publications
- Kategorie: Wissenschaft und neue Technologien
- Serie: Computer Books Series for Classes 1 to 5
- Sprache: Englisch
Welcome to the exciting world of computers! This book TAP AND LEARN For Class 3, designed for students, is an engaging and comprehensive introduction to computer science. Our goal is to spark curiosity and provide a strong foundation in computer literacy, preparing young minds for a future where technology plays a central role. In today's world, computers are everywhere. From schools and homes to offices and shops, they have become integral to our lives. Understanding how computers work and how to use them effectively is crucial for success in almost every field. This book aims to make learning about computers fun and easy for young students. This book is structured to introduce students gradually to the world of computers, ensuring that they understand each concept thoroughly before moving on to the next.
Here’s a brief overview of what you will find in the chapters: We begin with the basics, answering the fundamental question: What is a computer? Students will learn about the various types of computers and their uses in different environments. This chapter introduces the physical parts of a computer. Students will learn about input devices like the keyboard and mouse, output devices like monitors and printers, and the central processing unit (CPU), which acts as the computer's brain. Here, we explain the difference between hardware and software. Students will be introduced to system software and application software, learning how software enables hardware to perform useful tasks. Students will learn about operating systems, the essential software that manages all hardware and other software on a computer. This chapter covers basic functions and navigation tips. This chapter introduces the basic programming concepts and engagingly. Through fun activities, students will develop logical thinking and problem-solving skills. We cover the use of common applications such as word processors and drawing programs. Students will learn to create and save documents, use basic editing tools, and enjoy digitally creating art. As students begin to explore the internet, it’s crucial to teach them how to stay safe online. This chapter covers essential tips on using the internet responsibly, avoiding sharing personal information, and recognising potential online dangers. Proper computer care and etiquette are essential skills. Students will learn to maintain their devices, use computers responsibly, and follow good practices to ensure a healthy and productive computing environment.
Our approach combines theoretical knowledge with practical activities to make learning enjoyable and effective.
Das E-Book können Sie in Legimi-Apps oder einer beliebigen App lesen, die das folgende Format unterstützen:
Seitenzahl: 97
Veröffentlichungsjahr: 2024
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Preface
Welcome to the exciting world of computers! This book, designed for students, is an engaging and comprehensive introduction to computer science. Our goal is to spark curiosity and provide a strong foundation in computer literacy, preparing young minds for a future where technology plays a central role. In today's world, computers are everywhere. From schools and homes to offices and shops, they have become integral to our lives. Understanding how computers work and how to use them effectively is crucial for success in almost every field. This book aims to make learning about computers fun and easy for young students. This book is structured to introduce students gradually to the world of computers, ensuring that they understand each concept thoroughly before moving on to the next.
Here’s a brief overview of what you will find in the chapters: We begin with the basics, answering the fundamental question: What is a computer? Students will learn about the various types of computers and their uses in different environments. This chapter introduces the physical parts of a computer. Students will learn about input devices like the keyboard and mouse, output devices like monitors and printers, and the central processing unit (CPU), which acts as the computer's brain. Here, we explain the difference between hardware and software. Students will be introduced to system software and application software, learning how software enables hardware to perform useful tasks. Students will learn about operating systems, the essential software that manages all hardware and other software on a computer. This chapter covers basic functions and navigation tips. This chapter introduces the basic programming concepts and engagingly. Through fun activities, students will develop logical thinking and problem-solving skills. We cover the use of common applications such as word processors and drawing programs. Students will learn to create and save documents, use basic editing tools, and enjoy digitally creating art. As students begin to explore the internet, it’s crucial to teach them how to stay safe online. This chapter covers essential tips on using the internet responsibly, avoiding sharing personal information, and recognising potential online dangers. Proper computer care and etiquette are essential skills. Students will learn to maintain their devices, use computers responsibly, and follow good practices to ensure a healthy and productive computing environment.
Our approach combines theoretical knowledge with practical activities to make learning enjoyable and effective. Each chapter includes illustrations and diagrams to help students visualise concepts, hands-on activities that reinforce learning, and review questions to assess understanding and retention of the
Table Of ContentsPreface
Chapter 1: Hello, Computer!
Chapter 2: Memory Masters: Exploring Storage Devices!
Chapter 3: Hardware and Software Fun
Chapter 4: Writing with MS Word
Chapter 5: Surf the Internet
Chapter 6: Windows 11 – Your Computer’s Best Friend
Chapter 7: 3D Paint
Chapter 8: Scratch
Chapter 9: Viva Voce
Chapter 10: More about Artificial Intelligence
Chapter 1: Hello, Computer!
In this chapter we will learn about:
- What’s a Computer?
- Parts of a Computer
- Computer Room Rules
Hello, kids! Have you ever wondered how a computer works and why it’s so valuable? Computers are everywhere—in schools, homes, offices, and even our pockets (like smartphones!). In this chapter, we will learn about computers: what they are, the parts that make them work, and how we should care for them. By the end, you’ll be a computer expert, ready to explore the digital world safely and smartly!
1.1 What’s a computer?
A computer is an electronic machine that can help us do many tasks! Just like how your brain helps you think, a computer’s CPU helps it think and solve problems. But computers are faster than humans at calculating, storing information, and following instructions.
Did you know that computers weren’t always as small and fast as they are today? Let’s take a quick journey through the history of computers to learn how they have changed over time!
1. The First Computers: The first computers were so big that they filled an entire room! One of the first computers was the ENIAC, built in 1945. It could only do a few simple tasks, like solving math problems, and it was lengthy compared to today’s computers.
2. Smaller and Faster: In the 1970s, computers started getting smaller and faster. People began making personal computers (PCs) that fit on a desk. One of the most famous early computers was the Apple I, created by Steve Jobs and Steve Wozniak in 1976. Now, people can use computers at home!
3. Laptops and Tablets: Computers became even smaller and easier to carry around over time. Laptops were invented, and you can take them anywhere. Later, tablet computers, which are even smaller and use touchscreens, came out!
4. Smartphones: Today, computers are everywhere — even in our pockets! Smartphones are tiny computers that can do almost everything a regular computer can. You can use them to send messages, play games, and search the Internet.
Fun Fact: The first computers could only solve simple math problems, but today’s computers can play videos, make calls, and even help explore space!
We use computers for many things, such as:
1. Typing: You can use a computer to write letters, school essays, or stories!
2. Drawing: Computers have special programs that let you create and colour pictures like a digital artboard.
3. Playing Games: You can enjoy fun games like puzzles or racing games on a computer.
4. Watching Videos: You can watch your favourite cartoons and learning videos.
5. Talking to Friends: You can chat with friends or even video call them on the internet.
Fun Fact: Did you know the first computer was as big as an entire room? It was called the ENIAC and was made in 1945. It could do calculations but was super slow compared to today’s computers!
1.2 Parts of a Computer
A computer has many parts that help you complete different tasks. Let’s explore these parts one by one!
1.2.1 Monitor:
The monitor is the part of the computer that looks like a TV screen. It shows you everything you’re doing on the computer — pictures, words, games, and videos and helps you see what the computer is processing.
Fun Fact: Did you know that the first monitors were black and white? Now, screens can display bright colours and even 3D images!
1.2.2 Keyboard:
The keyboard is like a typewriter but much more powerful! It has many keys, each representing letters, numbers, and symbols. You can type sentences and commands by pressing these keys and playing games.
Fun Fact: The word "keyboard" comes from the arrangement of keys, and the most common layout of keys is called QWERTY, named after the first six letters on the top row of letters!
1.2.3 Mouse:
The mouse is a small device that helps you control the pointer (the arrow) on your computer screen. You can click on different icons, files, or games by moving the mouse.
Fun Fact: The mouse's inventor first called it an "X-Y Position Indicator," but people started calling it a "mouse" because its shape and tail-like cord reminded them of small animals!
1.2.4 CPU (Central Processing Unit):
The CPU is the computer's brain. It processes all the information and decides what the computer should do next. It also helps control all the other parts of the computer.
Fun Fact: The CPU can do billions of calculations every second! That’s why computers can work so fast.
1.2.5 Speakers:
Speakers are the devices that produce sound from the computer. You can hear music, game sounds, and other audio through speakers. Sometimes, we use headphones instead of listening privately.
Fun Fact: Did you know that speakers have been around since 1861? They have evolved to provide much more unmistakable sound; some are so small they fit inside our earbuds!
1.2.6 Printer:
A printer prints documents, pictures, or any other work you do on the computer onto paper. Different types of printers, such as inkjet and laser printers, use different printing methods.
Fun Fact: The first printer was created in 1938, using heat to transfer images onto paper! Today, we have 3D printers that can even make natural objects like toys!
1.3 Computer Room Rules
When we use computers, especially in the classroom, it’s important to follow some basic rules to keep both the computer and ourselves safe. Let’s see what we should remember:
1.3.1 Handle with Care:
Computers are delicate machines. Press the keys gently, move the mouse smoothly, and avoid banging on the keyboard or monitor. Gentle handling keeps the computer in good shape.
1.3.2 Clean Hands:
Before you use the computer, always make sure your hands are clean. This keeps the keyboard and mouse free from dirt and germs, making it hygienic for everyone.
1.3.3 Sit Properly:
Sit up straight with your feet on the ground when using a computer. The monitor should be at eye level so you don’t strain your neck. This helps you stay comfortable while working.
1.3.4 No Eating or Drinking:
It’s best not to eat or drink near a computer because food crumbs and liquids can damage it. Water, juice, or snacks could spill, making the keyboard sticky or short-circuit the computer!
1.3.5 Listen to Instructions:
Always follow your teacher’s instructions when using the computer. This will help you learn faster and avoid mistakes that could harm the computer or your work.
1.3.6 Don’t Change Settings:
Don’t change any computer settings unless your teacher tells you to. Changing settings can cause the computer to behave differently, which might cause it to not work as it should!
1.3.7 Switch Off Properly:
When you’re done using the computer, always shut it down safely. Don’t just turn it off suddenly — use the right way to close all programs and then switch off the power.
- A computer is a fantastic machine that helps us with many tasks.
- Each part plays a special role in making the computer work smoothly.
- Keep our hands clean before using the computer.
- Sit appropriately while working on the computer.
- Handle the computer and its parts with care.
- By following these rules, we can enjoy using computers safely and efficiently.
- Keyboard: A device with keys that we press to type letters, numbers, and commands.
- Mouse: A small device used to move the pointer on the computer screen and select items.
- CPU (Central Processing Unit): The main part of the computer that processes all the information — like its brain.
- Speakers: Devices that produce sound from the computer, such as music or game sounds.
- Printer: A machine that prints documents, pictures, or other work from the computer onto paper.
- Software: Programs that tell the computer what to do.
- Inkjet Printer: A type of printer that uses liquid ink to print pictures and text.
- Laser Printer: A printer that uses a laser to print high-quality text and images.
Exercise 1 – Choose the correct answer from the given options.
1. Which device moves the pointer on the computer screen?a) Monitorb) CPUc) Moused) Printer
2. Which computer was created in 1976 by Steve Jobs and Steve Wozniak?a) ENIACb) Apple Ic) Smartphoned) Laptop
Exercise 2 – Check if the sentence is true or false.
1. It is safe to eat near the computer.
2. The mouse helps us type on the computer
Exercise 3- Rearrange the sentence in to correct order.
1. smartphones / are / pockets / in / fit / small computers / that
2. the / helps / mouse / move / screen / the / pointer / on / the
Exercise 4-Arrange the Jumble words into proper form.
1. oseum
2. pumotcer
Exercise 5-Match the columns to identify the uses of different parts.
Exercise 6-
