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PORTABLE FLASH MEMORY STORAGE (MEMORY CARD (REMOVABLE FLASH MEMORY STORAGE…
PORTABLE FLASH MEMORY STORAGE
MEMORY CARD
REMOVABLE FLASH MEMORY STORAGE DEVICE THAT YOU INSERT AND REMOVE FROM A SLOT IN A COMPUTER,MOBILE,MOBILE DEVICE,OR CARD READER/WRITER
EXAMPLE
SDHX
MINISD
SDHC
MICROSDHC
CF
xD PICTURE CARD
MICROSDXC
MEMORY STICK PRO duo
M2
USB FLASH DRIVE
PLUG INTO A USB PORT ON A COMPUTER OR MOBILE DEVICE
CLOUD STORAGE
INTERNET SERVICE THAT PROVIDES STORAGE TO COMPUTER OR MOBILE DEVICE USERS
OPTICAL DISKS
CONSISTS OF FLAT,ROUND, PORTABLE DISC MADE FROM METAL,PLASTIC AND LACQUER THAT IS WRITTEN AND READ BY LASER
OPTICAL DISCS COMMONLY STORE ITEMS IN A SINGLE TRACK THAT IS SPIRAL FROM THE CENTRE OF THE DISCS TO THE EDGE OF THE DISCS
TRACK IS DIVIDED INTO EVENLY SIZED SECTORS
EXAMPLE
A CD-R IS AN ERASABLE MULTISESSION DISC
A DVD-ROM IS A HIGH-CAPACITY OPTICAL DISC ON WHICH USERS CAN READ BUT NOT WRITE ON OR ERASE
A CD-R IS AN OPTICAL DISC ON WHICH USERS CAN WRITE ONCE,BUT NOT ERASE
A CD-ROM CAN BE READ FROM BUT NOT WRITTEN TO
-SINGLE-SESSION DISCS
A DVD-R OR DVD+R ARE COMPETING DVD-RECORDBLE WORM FORMATS,ON WHICH USERS CAN WRITE ONCE BUT NOT ERASE
DVD-RW,DVD+RW ND DVD-RM ARE COMPETING DVD-REWRITABLES FORMATS THAT USERS CAN WRITE ON MULTIPLES TIMES