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CONTENTS
Digital World
1 Personalizing Linux/Ubuntu 7
The Ubuntu Environment Components of Ubuntu Desktop Desktop Icons
Launcher Show Apps Icon Status Menu
2 Know About Computer Viruses 17
What is a Computer Virus? How does a Computer get Infected with Virus?
How do you know your PC has a Virus? How to Prevent from a Virus?
Antivirus Software
Periodic Assessment 1 23
3 Editing Text in LibreOffice Writer 24
Starting LibreOffice Writer Entering the Text Selecting the Text
Copying/Moving and Pasting the Text Deleting the Text Undo/Redo
Find and Replace Changing Case Spell Check
Thesaurus
4 Formatting in LibreOffice Writer 38
Changing Font Face, Style and Size Changing the Text Colour Clone Formatting to Different Text
Highlighting the Text Applying Superscript and Subscript Applying Drop Cap Effect
Applying Border to a Paragraph Inserting Watermark Applying Bullets and Numbering
Periodic Assessment 2 50
Test Sheet 1 51
5 Introduction to LibreOffice Impress 53
Opening LibreOffice Impress Components of LibreOffice Impress Window
Create a New Presentation Adding a New Slide Deleting a Slide
Saving a Presentation Viewing the Slide Show Opening a Saved Presentation
Exiting LibreOffice Impress
Cyber World
6 More on Internet 64
Internet Uses of Internet
Requirements to Connect to Internet Common Terms
Periodic Assessment 3 73
Computational Thinking
7 Visual Processing 74
Picture Puzzle Directions and Maps
Coding World
8 Programming in Scratch 81
Sprite’s Direction Pen Blocks Use of Loop Blocks
Drawing Polygons in Scratch Drawing a Square in Scratch Drawing a Circle in Scratch
Drawing Patterns
Artificial Intelligence
9 Evolution of AI 99 91
1950s 1960s 1970 to 1990s
2000 to 2010 2010 to Present
Periodic Assessment 4 99
Test Sheet 2 100
Project Work 102
Explore More (Latest Trends) 104
OGO Cyber Sample Questions 106
Glossary 108

