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STORAGE DEVICE (Storage devices (Storage devices can be:
:star: Internal…
STORAGE DEVICE
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Definiton:
Data storage has expanded from text and numeric
files to include digital music files, photographic files, video files, and much more
Storage holds data, instructions, and information for
future use
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Storage medium
The
physical material on which
a computer keeps data,
instructions, and information
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Example: Tape,hard disk, solid state, memory cards, USB flash
Two basic access method
:<3: Random access
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Data can be retrieved directly from any location on
the storage medium, in any orde
Storage devices
Storage devices can be:
:star: Internal (located inside the system unit)
:star: External ( plugged into an external port on the system unit)
:star: Remote ( located on another computer such as a network
server/web server)
Example: Hard disk drives, CD drives,DVD drives, Bluray devices and flash memory carf reader
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Criteria to compare storage devices: :red_flag: Versatility
:red_flag: Durability
:red_flag: Speed
:red_flag: apacity
