1.3 storage

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  • Created by: 11618
  • Created on: 31-03-19 17:00
Secondary storage
Long term storage such as hard disk drives (HDDs) or solid state drives (SDDs)
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Optical storage
Includes CDs, DVDs and Blu-Ray disks. Lasers write data to the disc and reads from it.
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Magnetic storage
Reads with a moving head inside the disk drive. Moving parts make these slow to read or write from it.
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Solid state storage
Have no moving parts and don't rely on magnetic properties, often referred to as flash memory.
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Capacity
How much space there is to store files.
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Speed
How quickly the computer can read data from a storage device or write data to it.
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Portability
The ability to be easily carried or moved.
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Durability
The ability to withstand wear or damage.
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Reliability
The quality of consistently well.
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Cost
Storage devices vary in cost per gigabyte.
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Other cards in this set

Card 2

Front

Optical storage

Back

Includes CDs, DVDs and Blu-Ray disks. Lasers write data to the disc and reads from it.

Card 3

Front

Magnetic storage

Back

Preview of the front of card 3

Card 4

Front

Solid state storage

Back

Preview of the front of card 4

Card 5

Front

Capacity

Back

Preview of the front of card 5
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