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+80 XP total · 8 lessons
L00

The Computer, Explained

Files, folders, apps, paths — the things every later lesson assumes you already know.

  1. 01What is a file, really?read+10 XP→
  2. 02What is a folder?read+10 XP→
  3. 03Apps and files — what "open" actually meansread+10 XP→
  4. 04What is a program?read+10 XP→
  5. 05What is a file path?read+10 XP→
  6. 06File extensions — hints, not rulesread+10 XP→
  7. 07Where your stuff actually livesread+10 XP→
  8. 08Mac, Windows, Linux — a two-minute tourread+10 XP→