GCSE Computing - Storage
- Created by: MrSwalbert
- Created on: 09-01-18 12:34
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- Storage
- Types of Storage
- Optical
- They use lasers to read and write from and to the disk.
- Magnetic
- Read by a mechanical head inside the disk drive. This is quite slow.
- The disk is very susceptible to damage as it is small engineering.
- Not portable.
- Large capacity.
- Solid State
- Have no moving parts.
- Unaffected by magnetic fields.
- Slower access speeds than RAM.
- Optical
- Secondary Storage
- Its is non-volatile.
- Inexpensive
- Usually holds more than main memory.
- Slower access speeds than main memory.
- Features of Storage
- Capacity
- Speed
- Portability
- Durabillity
- Reliability
- Cost
- Cloud Storage
- Cloud storage is off site and maintained by a third party.
- Some cons include: security is an issue,you need an internet connection,
- Types of Storage
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