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Computer Chpt 7

QuestionAnswer
Capacity the number of bytes (characters) a storage medium can hold
Hard disks place magnetic signatures on hard drives
Hard drives use read/write heads to read and write data from hard desk
backup the duplication of data
NAS (Network Access Storage) network servers
Optical storage uses lasers to read and write to specialized disks
A CD-ROM can store 650MB – 1 Gigabyte
A CD-RW allows a user to both read and re-write to a CD drive
magnetic type is used primarily for backup and long term storage today
cloud storage an internet service that provides storage to computer users - windows live, youtube, facebook, gmail, amazon EC2
reasons for cloud storage access to files from any computer, store large files instantaneously, allows others to access their files, view time-critical data and images immediately, store offsite backups, provide data center functions
define smart card similar in size to a credit card, stores data on a thin microprocessor embedded in the card (some credit cards are smart cards)
smart cards contain a processor and have input, process, output and storage capabilities
uses of smart cards storing medical records, vaccination data, and other health care and ID info; tracking info...
storage devices internal/external hard disk, mircofilm, magnetic stripe card, cloud storage, smart card, optical disc, network attached storage device, miniature hard disk, express card module, USB, memory cards
other types of storage devices tape, microfilm and microfiche, enterprise storage
Created by: cc.anna13
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