Lesson 7: Printers and Display Devices
Week of Tue, Oct 27 · lesson closes Mon, Nov 2
Take Meerk's quiz for Lesson 7
This lesson's items
Exact due times are in Canvas.
Watch — Professor Messer
Watch — Professor Messer: Printers and Displays (220-1201)
Free, independent educational resource. Not affiliated with or endorsed by CompTIA. Watch, then read the notes below.
Know these cold
- Printer types: laser (toner, fast, high volume), inkjet (liquid ink, color photos), thermal (heat+paper, receipts), impact (dot-matrix, multipart forms).
- Laser printer process: Processing → Charging → Exposing → Developing → Transferring → Fusing → Cleaning.
- Display types: IPS (wide viewing angle, color accurate), TN (fast response, low cost), VA (high contrast), OLED (perfect blacks).
Meerk's quiz — open the Lesson 7 gate
10 questions, no time limit. 85% on your first attempt in a 24-hour window opens the gate. Retakes inside the window are practice — they help you learn, they don't count. Work alone; the point is to know it, not to have seen it.
Dinner Table Question
Ask at home: Why do businesses still use laser printers instead of inkjet printers?
En español: ¿Por qué las empresas siguen usando impresoras láser en lugar de impresoras de inyección de tinta?