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Contents
Digital & Cyber World
01 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
02 Working with Windows 10 15
Files and Folders File Explorer Organising Files and Folders
Creating a New File or Folder Opening Files or Folders Selecting Files or Folders
Copying/Cutting and Pasting Files or Folders Renaming a File or Folder
Deleting a File or Folder Restoring a Deleted File or Folder
Worksheet 1 24
03 More on Internet 25
Uses of Internet Requirements to Connect to Internet Common Terms
Computational Thinking
The CT Corner! (Data Processing) 31
04 Algorithm and Flowchart 33
Algorithm Flowchart
Worksheet 2 39
Test Sheet 1 40
Coding World
05 Introduction to Scratch 42
Uses of Scratch Starting Scratch Components of Scratch Window
Blocks Adding a Sprite Changing the Backdrop
Changing Appearance of the Sprite Creating a New Project Saving a Project
Opening a Project Exiting Scratch
06 More Blocks in Scratch 53
Block Categories Setting the Sprite Position
Worksheet 3 59
07 Creating Shapes in Scratch 60
Pen Block Drawing a Line in Scratch Drawing Polygons in Scratch
Drawing a Circle in Scratch
08 Creating a Game in Scratch 67
Block Shapes in Scratch Sensing Blocks Variables
Conditional Blocks Creating a Game
Worksheet 4 78
Test Sheet 2 79
Artificial Intelligence
The AI Corner! (Applications of Robots) 81
Project Work 83
Explore More (Evolution of Windows) 86
OGO Cyber Sample Questions 89
Keyboard Shortcuts (Scratch) 91
Glossary 92
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