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Types of Storage - Coggle Diagram
Types of Storage
Solid State
Advantages
Large capacity
Very robust
Very portable
Disadvantages
Expensive
Less durable
Features
Electrical storage
No moving parts
Non volatile flash memory
Magnetic
Advantages
Relatively cheap
Fast access
Huge Capacity
Disadvantages
Will eventually wear out
Slower access times
Not as portable
Features
Each track is divided into sector
Read and write data
Concentric circles called tracks
Optical
Advantages
Portable
Immune to magnetic fields
Cheap if less than 10GB
Disadvantages
Easily damaged
Slow write and access speeds
Less storage capacity
Features
Laser beams passes over pits and lands
0s and 1s can be derived
Stored as pits and lands