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Storage Devices

study guide

TermDefinition
Drive Types of magnetic technology hard disk drive sip drives floppy drive tape drives
hard disk drive earlier drives used the 40 pins IDE/PATA interface; later ones were available with SATA; uses internal 3-½ bay; disks are called platters; actuator arms moves by magnets typical speeds 5,400 7,200 and 10,00 RPM;
floppy disk drives(FDD)- 34 pins, high density double sided capacity is 1.44 megabytes; made of Mylar and plastic. Later ones swerve 3 ½ internal driver bay; previous sizes were 5-¼”and even larger
Zip drives looks like a floppy disk on steroids: typical sizes were 150-200 Megabytes; external drives used the 25-pin parallel cable.(USB wasnt around/ not a thing lol)
tape drives slow data access but low cost for the amount of data stored; good storage and high volume; similar to cassette tape.
Magnetic uses the magnetic time to manage zeros and one's
Optical uses pits and lands to reflect light (from a laser) or not reflect light; pits do not reflect, lands do; continuous spiral-shaped geometry
Flash uses memory chips called NAND gates to hold/store data; no moving parts,
Created by: bribanuelas
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