← Courses

1. 1

   How the digital world works and what we will build

   We will trace an ordinary photograph through a phone and the internet, see the eight-block route, and begin one project that will grow throughout all 72 lessons.

   9 min to read · 20 min to practise

2. 2

   Diagnosis without grades and choosing the project problem

   Ten short situations will show where you need more support, while a completed passport will turn a broad assistant idea into a testable problem.

   9 min to read · 20 min to practise

3. 3

   Phones and laptops as systems

   We will break a notification into roles and see why a phone and laptop look different but follow one model: input, processing, state, and output.

   6 min to read · 20 min to practise

4. 4

   How a computer sees, hears, and responds

   We will trace how light, sound, and touch become numbers, and how software turns data into an image, sound, or another physical action.

   5 min to read · 20 min to practise

5. 5

   Processor, working memory, and storage

   We separate execution, temporary state, and persistent storage, then decide what the assistant must keep.

   4 min to read · 20 min to practise

6. 6

   Operating system, process, and application

   We separate a program file, a running process, and OS services to understand launch, permissions, and errors.

   4 min to read · 20 min to practise

7. 7

   Files, folders, and exact paths

   We build a project tree and distinguish a name from a path, a relative path from an absolute one, and a missing file from a wrong search location.

   4 min to read · 20 min to practise

8. 8

   Formats, software, and the creator's permission

   We separate bytes from reading rules, choose an open format, and check a licence before adding someone else's material.

   4 min to read · 20 min to practise

9. 9

   Versions, collaboration, and accessibility

   We preserve meaningful history, combine changes without overwriting another person's work, and test accessibility.

   4 min to read · 20 min to practise

10. 10

    Mastery checkpoint: the project workspace

    We assemble version 0.1, check ten skills now and after seven days, and prove transfer on a new device.

    4 min to read · 20 min to practise