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Storage Devices

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by

Byenghun Jeon

on 28 April 2010

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Transcript of Storage Devices

Hard disc Magnetic tapes CD (Compact Disc) Memory stick DVD (Digital Video Disc) an optical disc used to store digital data a medium for magnetic recording a non-volatile storage device that stores digitally encoded data on rapidly rotating rigid (i.e. hard) platters with magnetic surfaces a Portable flash memory card format an optical disc storage media format Storage DevIces - Used to back up On-site Off-site - Hard disk - DVD - Magnetic tape - Online - Removable hard disk - Fast speed RAM CPU Main / Internal = RAM Backing storage = Hard drive Serial / Sequntial Direct / Ramdom - Magnetic tape - DVD - Hard Drive - SSD (Solar State Disk) Optical devices Slow Fast - Connected directly to CPU
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