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STORAGE (Optical Disc (consists of flat, round,
portable disc made of…
STORAGE
Optical Disc
consists of flat, round,
portable disc made of metal, plastic and
lacquer that is written and read by a laser.
Digital Video Disc (DVD)
• A type of optical disc used to store videos,
films, and large programs.
• Higher storage capacity and better image
quality compared to CD
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Flash Memory Storage
Flash memory storage is storage media that
uses solid-state chip that maintains stored
data without any external power source.
• used in portable electronics and
removable storage devices.
• More durable and shock resistant
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Memory card
Flash memory storage that users insert and remove
from a slot in personal computer, smartphone, digital
camera, or card reader/writer.
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Solid state drive (SSD)
Flash memory storage that offers faster data transfer
rate, used in all types of computers and mobile devices.
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Magnetic Storage
These dots are created, read
and erased using magnetic fields created by
very tiny electromagnets.
Tape
– Capable to store large amount of data.
– Sequential access device; a file have to be
accessed in sequence.
– Slower data access compared to hard disk.
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Hard Disk
Capable to store large amount of data.
– Direct access device; a file can be access
randomly, not following the sequence it is stored.
– Faster data access compared to tape.
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