AQA A’Level SLR18 Input and output devices
About this video
AQA Specification Reference
AS Level 3.7.4.1
A Level 4.7.4.1
This video takes a look at a range of input, output and storage devices and discusses their main characteristics, purposes and suitability.
Key questions:
- How are input and output used in typical applications of computer science?
- How do barcode scanners, laser printers, digital cameras and RFID work?
00:00 Input and output devices
00:07 Intro
00:12 Input devices
00:26 Examples of input devices
00:33 Output devices
00:45 Examples of output devices
00:53 Blurring the lines
01:35 Typical examples of input and output devices
01:44 Appropriate devices for specific situations
02:59 Input and output devices
03:11 Barcode reader
03:51 Barcode reader: Pen-style readers
04:26 Barcode reader: Laser scanners
04:42 Barcode reader: Charge-coupled device (CCD) readers
05:05 Barcode reader: Camera-based readers
05:21 Digital camera
07:25 Laser printer
08:19 RFID
09:36 Key questions
09:52 Outro
Last updated: 09.06.25
