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2777929
Secondary Storage
Description
GCSE Computer Science (Memory) Mind Map on Secondary Storage, created by Lyssa Badger on 21/05/2015.
No tags specified
computer science
memory
gcse
Mind Map by
Lyssa Badger
, updated more than 1 year ago
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Created by
Lyssa Badger
over 9 years ago
35
2
0
Resource summary
Secondary Storage
Magnetic
Internal Hard Disk
Large Capacity
Fast Access Speeds
Portability: Heavy and not designed to be carried around. Requires integrating into computer systems
Quite reliable but can crash. Can be damaged by magnets (Durability and Reliability)
Portable Hard Disk
Large Capacity
Medium-Fast access speeds
Medium weight for portability
Quite reliable but can crash. Can be damaged by laptops(Durability)
Floppy Disk
Can be snapped. Can be damaged by strong magnets or heat (Durability and Reliability)
Small Capacity
Slow Access Speeds
Portability: Lightweight and flat
Solid State
Flash Drive (USB or memory stick)
Medium/Large Capacity
Medium-Fast access speeds
Portability: Lightweight and small
Not affected by magnets. Quite hardy. Can be dropped without damaging contents (Durability and reliability)
Optical
CD
Medium Capacity
Fast access speeds
Portability: Lightweight and flat
Easily scratched and will not work. Can only be written to once(Durability and reliability)
Blu-ray Disc
Large Capcity
Fast Access Speeds
Portability: Lightweight and Flat
Easily scratched and will not work (Durability and Reliability)
DVD
Portability: Lightweight and flat
Easily scratched and will not work (Durability and Reliability)
Large Capacity
Fast Access Speeds
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