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CONTENTS




                                                              Digital World
                   1 Evolution of Computers                                                                          7
                        Early Counting Tools           Abacus—First Calculating Device     Pascaline Adding Machine
                        Leibniz Step Reckoner          Charles Babbage’s Analytical Engine     Lady Ada Lovelace’s Programs
                        Herman Hollerith’s Tabulating Machine                            Computer Generations
                   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                                                               36

                        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
                                                              Cyber World
                   5 Introduction to Internet                                                                       49
                        Uses of Internet               Requirements to Connect to Internet     Internet Terms
                        Mozilla Firefox                Search Engines

                      Periodic Assessment 2                                                                         59
                      Test Sheet 1                                                                                  60
                                                              Coding World
                   6 More on Scratch                                                                                62
                        Blocks                         Creating a Script
                   7 Game on Scratch                                                                                71
                        Creating a Simple Game         Using Operators                   Variables
                        Conditions                     Sensing Blocks                    Storing User Input
                        Loops                          Graphic Effects
                      Periodic Assessment 3                                                                         84
                   8 Programming in Scratch                                                                         85
                        Sprite's Direction             Pen Block                         Drawing Polygons
                        Drawing a Square               Drawing Circle                    Drawing Patterns
                                                        Computational Thinking
                   9 Visual Processing                                                                              95
                        Picture Puzzle                 Directions and Maps
                                                          Artificial Intelligence
                  10 Evolution of AI                                                                               102
                        1950 – 1960                    1961 – 1970                       1971 – 2000
                        2000 – 2010                    2010 To Present
                      Periodic Assessment 4                                                                        110
                      Test Sheet 2                                                                                 111
                     Project Work                                                                                  113
                     Explore More (Latest Trends)                                                                  116
                     OGO Cyber Sample Questions                                                                    119
                     Glossary                                                                                      121
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