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CONTENTS
Digital World
1 More about a Computer 7
Computer and Human Types of Computers
Places where Computers are Used
2 Working of a Computer 21
IPO Cycle IPO Devices
Periodic Assessment 1 28
3 Parts of a Computer 29
Input Devices Processing Device Output Devices
Storage Devices
4 The Keyboard and The Mouse 38
Keyboard Mouse
Periodic Assessment 2 49
Test Sheet 1 50
5 More on Tux Paint 51
Starting Tux Paint Parts of Tux Paint Window Tux Paint Tools
6 More on Paint 61
Parts of the Paint Window Tools Group Brushes Tool
Shapes Group Selecting a Drawing Moving the Selection
Cropping an Image Foreground and Background Colours
Periodic Assessment 3 80
Computational Thinking
7 Reasoning and Analysis 81
Number Pyramid Number Grid Directions
Coding World
8 More about ScratchJr 88
ScratchJr Programming Language Components of ScratchJr Window Blocks of ScratchJr
Artificial Intelligence
9 Artificial Intelligence Around Us 100
Artificially Intelligent Machines AI in Our Lives Robots
Periodic Assessment 4 107
Test Sheet 2 108
Project Work 109
OGO Cyber Sample Questions 111
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