Objectives

Students will be able to:

  • describe the principles of operation of the following output devices: inkjet, laser and 3D printers; 2D and 3D cutters; speakers and headphones; actuators; flat-panel display screens, such as Liquid Crystal Display (LCD) and Light-Emitting Diodes (LED) display; LCD projectors and Digital Light Projectors (DLP)
  • describe how these principles are applied to real-life scenarios, for example: printing single items on demand or in large volumes; use of small screens on mobile devices

Hardware and Software

output devices
devices

Output devices

we use some every day

This unit will introduce some of the common output devices that we use in our everyday lives. It will also introduced a few used by specialists in different fields of computer science.

We need to be able to identify typical scenarios when output devices are used and also have a general idea of their principles of operation.

inkjet printer

more

laser printer

more

3D printer

more

Cutters

more

Speakers and headphones

more

actuator

more

LED Display

more

LCD Display

more

LCD projector

more

Digital light projector

more

Past Paper Questions

Compare and Contrast