Touchpad Play Ver 2.0 Class 4

By Team Orange

Computer Science Textbook | Windows 10 & MS Office 2016

KEY FEATURES
- National Education Policy 2020
- Tech Funda: This section provides practical information or tip to the students.
- Clickipedia: This section provides interesting computer facts.
- Hands-On: This section contains an activity for the Home assignment.
- QR Code: Scan the QR Code given on the first page of each chapter to start chapter animation.
- Project Work: This is an assessment to challenge the students to apply the concepts learnt.
- Digital Resources

DESCRIPTION
In the modern era, we are dependent on technology for almost every aspect of our lives. Computers are a major part of this technology assisted life, as we have now developed ways to do most of the essential tasks on a computer. Computer science is no longer limited to theories and lectures, it has now become an important part of our lives.

Touchpad PLAY (Version 2.0) series, based on Windows 10 and MS Office 2016, is designed carefully keeping in mind the overall growth of the children. The simple and step-by-step approach used in this book makes the content very easy to understand for the students.


The students will face a global competition once they step out of the school so they should be updated with the latest technologies which holds a promising future in the times to come. The best way to learn is, to do it through fun-filled activities. To make content interesting through the course of the book, we have included key features like Student Corner, Tech Funda, Clickipedia, Comp Caution, Exercise, In The Lab (Subject Enrichment), Teacher’s Corner, Worksheet, Test Sheet, Project Work, Explore More, Keyboard Shortcuts and Glossary.

Sample questions of Orange Global Olympiad (Cyber) have been included to promote awareness about the national level competition.

These features will ensure better learning, assessment, evaluation and enable children to take their knowledge beyond the classroom.


We hope that the book enables the children to learn the concepts with not only the purpose of gaining knowledge but also to be able to find its applications. We look forward to any suggestions for improving the book.

WHAT WILL YOU LEARN
You will learn about:
- Fundamentals of computers
- ICT Tools
- Features of Computer
- Parts and Uses of Computer
- Tux Paint

WHO THIS BOOK IS FOR
Grade 4

TABLE OF CONTENTS
1. The Computer— An Overview
2. Personalizing Windows 10
3. Formatting in Word 2016
4. Graphics and Tables in Word 2016
5. Introduction to PowerPoint 2016
6. Working with Powerpoint 2016
7. More on Internet
8. More Blocks in Scratch
The AI Corner!
Periodic Assessment 4
Test Sheet 2
Project Work
Explore More (Evolution of Windows)
OGO Cyber Sample Questions
Glossary

• Language: English
• Publisher: Orange Education Pvt Ltd
• Release date: Dec 27, 2022
• ISBN: 9789395141864

Book preview

01 THE COMPUTER— AN OVERVIEW

As you know that a computer system is made up of two types of parts— Hardware and Software.

★ The parts of a computer that we can see and touch are called Hardware.

★ A computer needs instructions to do anything. These step-wise instructions are called software.

WORKING OF A COMPUTER

A computer works on the IPO (Input-Process-Output) cycle. It receives input from the user through input devices, processes the input using the CPU and gives back the output using output devices. This process is known as IPO cycle.

Input Devices

A computer accepts data and instructions from you through input devices. Data can be in the form of numbers, text, sound or graphics.

Keyboard

Keyboard

A keyboard is the main input device for computers. You can press the keys on it to input data in the form of words and numbers.

Mouse

Mouse

It is a pointing device that allows you to put data into a computer by using the point, click and drag and drop actions. It controls the movement of the pointer on the screen. It is used to move and select icons, files and folders on your computer. It can also be used to draw pictures.

Scanner

Scanner

Scanner is a device that helps to input printed pictures and text into the computer by converting them into digital form. Some popular types of scanners are:

Webcam

Webcam

It is a digital video camera connected to a computer. It helps to put your image into the computer.

Graphic Tablet

Graphic tablet

It allows to directly draw on a computer screen. The device consists of a flat surface upon which you can draw with an attached stylus which looks like a pen.

Joystick

Joystick

Joystick is a pointing device which is used to control the movement of a pointer on your computer screen. It is mostly used to play games on the computer.

Microphone

Microphone

It is an input device that is used to record voice, music and sound into the computer system.

Touchscreen

Touchscreen

A touchscreen is a screen sensitive to touch. We can interact with a computer by touching areas on the screen. Tablets, smartphones, ATMs have touchscreen in them.

PROCESSING Device

Processing is done on the data entered into the computer, to convert it into meaningful information through a processor.

CPU

CPU (Central Processing Unit) is a processor, sometimes called a microprocessor. It is the brain of the computer that does all the calculations, and runs all the programs. It manages all the operations and carries out the basic instructions which operate a computer. The three main components of CPU are:

★ ALU (Arithmetic Logic Unit): Performs mathematical and logical operations.

★ CU (Control Unit): Directs all the operations of a