19Grid of cards · 6:5
Light Technical Literacy
One-line mental models
Programs talking
Files & formats
Where things run
The web
Speed & size
Layout study: the finished sheet carries the full content block in the marked zones. Artwork in production.
Level 19 · Operator Plus
Light Technical Literacy
One-line mental models
API, database, frontend and backend, Git, Markdown, JSON, environment variables, logs, DNS, cache, latency: one line each.
From the sheet
- API — a menu of requests one program can make of another
- Logs — the app's diary; read the last 20 lines first
- Cache — a copy kept for speed
- Latency vs bandwidth — delay vs width of the pipe
✓ Pass check
Talk to a developer, support agent or AI assistant with the right words, and follow their answer.
Formats
- Mouse mat · recommended240 × 200 mm
- PlacematA3, 420 × 297 mm
- Desk mat900 × 400 mm
- Screensaver4K download
In production. Not yet on sale.
Text checked against the current software version before each print run.
No brand logos are used; programs are represented by colour and generic glyphs only.
Nearby in PC Operator Curriculum