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Computer & IT basics: free course

Start here if you're new to computers: hardware, Windows, files, internet, typing, Office and Google tools, spreadsheets and fixing common problems.

13 lessons · free · no account needed · code examples, practice questions and videos

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Lessons

  1. 1 What is a computer? Hardware, software and how it works
  2. 2 History, generations and types of computers: from the abacus to AI
  3. 3 Parts of a computer: input, output, processing and storage devices explained
  4. 4 Keyboard, mouse, touch typing and shortcuts
  5. 5 Operating systems: Windows, macOS, Linux, Android and iOS
  6. 6 Files, folders and Windows skills: organise, find, copy, zip and back up your work
  7. 7 Storage and data units: bits, bytes, MB, GB and cloud storage
  8. 8 Installing, updating and removing software safely
  9. 9 Internet, browsers and email: searching well, browsing safely and writing professional emails
  10. 10 Word processing and presentations: creating documents and slides step by step
  11. 11 Spreadsheets for beginners: Excel and Google Sheets from your first cell to useful formulas
  12. 12 Keeping a computer healthy: updates, antivirus, cleaning, backups and fixing common problems
  13. 13 Using computers safely and responsibly: health, ergonomics, ethics, laws and e-waste