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1.3 Storage


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Secondary Storage
Usually the HDD. This is non volotile storage that is slower to access than RAM
Magnetic Storage
Storage medium that uses magnets to store data
Optical Storage
Storage medium that uses lasers to read and write data
Volatile Memory
Memory that loses data stored when powered off
Bit
The smallest data unit a computer can work with
Byte
8 bits
Kilobyte
1024 bytes
Megabyte
1024 Kilobytes
Gigabyte
1024 Megabytes
Terabyte
1024 Gigabytes
Flash
An electronic non-volatile storage that can be erased and reprogrammed
Capacity
The total amount of data that can be stored
Speed
The amount of data that can be written per second
Portable
Can be moved or carried because it is light and small
Durability
able to withstand wear and damage
Reliability
Can be trusted to be in good working order
Cost
How much money should be paid for a product