Mind map
Secondary Storage
Map content
Secondary Storage
OPTICAL
- data on an optically readable medium
- Examples...
- DVD
- 4.7GB
- CD
- 25GB
- Blu-Ray
- 720MB
- DVD
- Characteristics...
- Capacity - 4.7GB, 720MB, 25GB
- Portable
- Degrades over time
- Speed - 50Mbps
- Slowest
MAGNETIC
- data storage using a magnetized medium
- Characteristics...
- Capacity - Up to 6TB
- Speed - 3Gbps
- Not portable
- Can be damaged if dropped
- Extremely reliable
- 3TB/44p
- Examples...
- Magnetic Tape
- Floppy Disk Drive
- Hard Disk Drive
SOLID STATE
- non-volatile computer storage that stores and retrieves digital information using only electronic circuits
- Examples...
- USB Memory Stick
- SSD
- Characteristics...
- Capacity - Up to 240GB
- Speed - 6Gbps
- Fastest
- Portable
- Very durable
- Expensive
- 128GB/£40
Information
- Description
- Year 9 Computing Mind Map on Secondary Storage, created by emILy RodD on 09/10/2017.
- Created by
- emILy RodD
- Views
- 2
- Rating
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