Download presentation
Presentation is loading. Please wait.
Published byEmerald Ariel Lucas Modified over 6 years ago
1
UNIT A451: Computing Hardware: Secondary Storage
2
Storage and Memory
3
You are a spy You have broken into the secret enemy compound You have 15 seconds to memorise the code
4
CI AFB IKG BDN ABB C UKC NNU SA
6
How many can you remember
7
Learning Outcomes Explain the need for secondary storage
Be aware of a range of storage devices Select suitable storage devices and storage media Know which storage device to use for saving or storing Saturday, 24 November 2018
8
24/11/2018 IS50004A
9
A bit – the smallest measure of memory
1 2 3 4 5 6 7 8
10
Task How many different ways are there to save / store information
Compare what information you could or could not store - for example a telephone number on A3 paper would be a waste.
11
Storage devices Optical (e.g. CD and DVD for data storage)
Magnetic media (e.g. internal and external hard disk drives (HDD), tape) Solid State Drives (SSD), Memory cards, i.e. flash memory devices Network (e.g. routers, modems) Cloud storage
13
Task Draw one of these storage devices Line up in order of size
Think about the advanatges of the device for storage Line up again Think about the dis-advanatges of the device for storage Line up Which is the best device? Then complete comparison task Saturday, 24 November 2018
14
24/11/2018 IS50004A
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.