Storage. Explain what a storage device is Define the two storage operations Define what a hard...
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Transcript of Storage. Explain what a storage device is Define the two storage operations Define what a hard...
![Page 1: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/1.jpg)
Storage
![Page 2: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/2.jpg)
Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and DVD are. List ways to properly care for CD’s and
DVD’s. Give examples of miniature storage
devices. Explain what a card reader is Explain what micro-fiche and film are.
![Page 3: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/3.jpg)
Storage holds data, instructions, and information for future use
Consists of two parts
Storage Device
Storage Media
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Storage is nonvolatile where as RAM memory is volatile
Two operations associated with storage Reading - Process of transferring items
from storage media to memory Writing - Process of transferring items from
memory to storage media
![Page 5: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/5.jpg)
High-capacity storage consisting of several inflexible, circular platters that store items electronically
Components enclosed in airtight, sealed case for protection
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InternalExternal
Removable
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Flat, round, portable metal discs made of metal, plastic, and lacquer
Can be read only or read/write Most PCs include CD or DVD drive, most
play audio CDs Are not re-writable
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disc label
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laserdiode
disc label
![Page 10: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/10.jpg)
laserdiode
prism
disc label
![Page 11: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/11.jpg)
laserdiode
prism
lens
disc label
![Page 12: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/12.jpg)
laserdiode
prismlight-
sensingdiode
lens
disc label
![Page 13: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/13.jpg)
laserdiode
prismlight-
sensingdiode
lenspit
disc label
![Page 14: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/14.jpg)
laserdiode
prismlight-
sensingdiode
lenspit land
disc label
![Page 15: Storage. Explain what a storage device is Define the two storage operations Define what a hard disk is and list the types Define what a CD and.](https://reader034.fdocuments.net/reader034/viewer/2022051215/56649eff5503460f94c151d3/html5/thumbnails/15.jpg)
Items waiting to be interpretedand executed by the processor
Memory (most RAM)
Primary Storage
Secondary StorageOperating system, applicationsoftware, user data and information
Hard Disk
Software, backups, movies, music
CDs and DVDs
Digital pictures or small files tobe transported
Miniature Storage Media
BackupsTape
Small files to be transportedFloppy Disk
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Do not expose the disc to excessive heat or sunlight
Do not eat, smoke, or drink near a disc Do not touch the underside of the disc Do not stack discs Store disc in a jewel box when not in
use Hold disc by its edges
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Smart Media
xD Picture Card
Compact Flash Secure Digital
Memory Stick Microdrive
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And externals device that reads information stored on miniature mobile storage media
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Store microscopic images of documents on a roll or a sheet of film
Images recorded using a computer output microfilm (COM) recorder
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Magnetic Disks 3 to 5 Years 20 to 30 years
CD’s and DVD’s 5 to 10 Years 50 to 100 years
Microfilm 100 years 500 years
Media Type Guaranteed PotentialLife LifeExpectancy Expectancy