010. OCR A Level (H046-H446) SLR3 – 1.1 Magnetic, flash and optical storage
About this video
OCR Specification Reference
AS Level 1.1.3b
A Level 1.1.3b
Storage devices come in many flavours, but they fall into broad categories, in this video we take a look at three of the majors ones you need to be aware of: Magnetic, Flash and Optical.
Key question:
- How are input, output and storage devices used in typical applications of Computer Science?
00:00 Magnetic, flash and optical storage
00:08 Intro
00:13 Common types of storage
00:30 Optical storage
03:01 Optical storage - Positives
03:27 Optical storage - Negatives
03:51 Magnetic storage
04:53 Magnetic storage - Positives
05:10 Magnetic storage - Negatives
05:32 Solid-state/Flash storage
06:16 Solid-state/Flash storage - Positives
06:25 Solid-state/Flash storage - Negatives
06:36 Suitable storage for a given application
06:54 Scenario: Helmet mounted action camera
07:35 Scenario: Home computer storing operating system and applications
08:26 Scenario: Travel agent backing up 800GB of data
09:12 Scenario: Transferring files between home and school
09:50 Scenario: Distributing a video game for a console
11:00 Scenario: Long-term storage of training videos for a company
11:35 Scenario: Storing tracks on a portable MP3 player
12:19 Key question
12:31 Outro
Last updated: 18.03.26
