AQA A’Level SLR18 Comparing capacity and speed of storage media
About this video
AQA Specification Reference
AS Level 3.7.4.2
A Level 4.7.4.2
This video compares the capacity and speed of access of various media and talks about how to make judgements on their suitability for different applications.
Key question:
- How are input, output and storage devices used in typical applications of computer science?
00:00 Comparing capacity and speed for storage media
00:11 Intro
00:16 A note about this video
00:33 Suitable storage for a given application
00:53 Comparing storage media
01:55 Suitable storage: Helmet-mounted action camera scenario
02:50 Home computer storing operating system and applications scenario
03:24 Distributing a video game for a console scenario
03:38 Storing tracks on a portable MP3 player scenario
04:12 Key question
04:23 Outro
Last updated: 09.06.25
