Computer STORAGE. There are two types of storage Primary- Ram (hard-drive) Primary- Ram (hard-drive)...
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Transcript of Computer STORAGE. There are two types of storage Primary- Ram (hard-drive) Primary- Ram (hard-drive)...
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ComputerComputerSTORAGESTORAGE
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There are two types of There are two types of storagestorage
PrimaryPrimary- Ram (hard-drive)- Ram (hard-drive) SecondarySecondary- Permanent or - Permanent or
nonvolatile storage nonvolatile storage
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Secondary Storage Secondary Storage is used tois used to
SaveSave
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Secondary Storage Secondary Storage is used tois used to
SaveSaveBack upBack up
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Secondary Storage Secondary Storage is used tois used to
SaveSaveBack upBack upTransport filesTransport files
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Floppy Disk (Floppy Disk (diskettes)diskettes)
3 1/2 - inch dis3 1/2 - inch dis
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Floppy Disk (Floppy Disk (diskettes)diskettes)
3 1/2 - inch disk3 1/2 - inch disk 1.44 MB1.44 MB
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High-Capacity Floppy DisksHigh-Capacity Floppy DisksFloppy-disk cartridgesFloppy-disk cartridges
100 MB100 MB
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High-Capacity Floppy DisksHigh-Capacity Floppy DisksFloppy-disk cartridgesFloppy-disk cartridges
100 MB100 MB250 MB250 MB
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High-Capacity Floppy DisksHigh-Capacity Floppy DisksFloppy-disk cartridgesFloppy-disk cartridges
100 MB100 MB250 MB250 MB750 MB750 MB
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Internal Hard Disk Internal Hard Disk (fixed disk)(fixed disk)
Designated C driveDesignated C drive
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Internal Hard Disk Internal Hard Disk (fixed disk)(fixed disk)
Designated C driveDesignated C drive StoresStores
Operating systemOperating system Major applicationsMajor applications
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Removable Hard-diskRemovable Hard-disk(hard-disk cartridges)(hard-disk cartridges)
Storage depends on Storage depends on the number of the number of cartridges (unlimited)cartridges (unlimited)
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Hard-Disk PacksHard-Disk Packs
Removable StorageRemovable Storage
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Hard-Disk PacksHard-Disk Packs
Removable StorageRemovable StorageStores massive amountsStores massive amounts
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Optical DisksOptical Disks
17 gigabytes of data17 gigabytes of data
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Optical DisksOptical Disks
17 gigabytes of data17 gigabytes of dataMed sz. Library on 1 diskMed sz. Library on 1 disk
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Compact DiscCompact Disc
Stores 650 MB to 1 GBStores 650 MB to 1 GB
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Compact DiscCompact Disc
Stores 650 MB to 1 GBStores 650 MB to 1 GB3 Types3 Types
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Compact DiscCompact Disc
Stores 650 MB to 1 GBStores 650 MB to 1 GB3 Types3 Types
Read onlyRead only
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Compact DiscCompact Disc
Stores 650 MB to 1 GBStores 650 MB to 1 GB3 Types3 Types
Read onlyRead onlyWrite onceWrite once
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Compact DiscCompact Disc
Stores 650 MB to 1 GBStores 650 MB to 1 GB3 Types3 Types
Read onlyRead onlyWrite onceWrite onceRewriteableRewriteable
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB17x the capacity of CD’s17x the capacity of CD’s
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB17x the capacity of CD’s17x the capacity of CD’s3 Types3 Types
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB17x the capacity of CD’s17x the capacity of CD’s3 Types3 Types
Read only: DVD-ROMRead only: DVD-ROM
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB17x the capacity of CD’s17x the capacity of CD’s3 Types3 Types
Read only: DVD-ROMRead only: DVD-ROMWrite once: DVD+R, DVD-RWrite once: DVD+R, DVD-R
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DVDDVD(digital versatile / video disc)(digital versatile / video disc)
Stores 4.7 GB to 17 GBStores 4.7 GB to 17 GB17x the capacity of CD’s17x the capacity of CD’s3 Types3 Types
Read only: DVD-ROMRead only: DVD-ROMWrite once: DVD+R, DVD-RWrite once: DVD+R, DVD-RRewriteable: DVD+RW, DVD-RW, DVD-RAMRewriteable: DVD+RW, DVD-RW, DVD-RAM
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical disc
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
15 to 30 GB15 to 30 GB
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
15 to 30 GB15 to 30 GBCan be easily mass producedCan be easily mass produced
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
15 to 30 GB15 to 30 GBCan be easily mass producedCan be easily mass produced
Blu-RayBlu-Ray
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
15 to 30 GB15 to 30 GBCan be easily mass producedCan be easily mass produced
Blu-RayBlu-Ray25 to 50 GB25 to 50 GB
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HI-Definition DiscsHI-Definition Discs
The next generation of optical discThe next generation of optical discHD DVDHD DVD
15 to 30 GB15 to 30 GBCan be easily mass producedCan be easily mass produced
Blu-RayBlu-Ray25 to 50 GB25 to 50 GBNot easily mass producedNot easily mass produced
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Other types of storage…Other types of storage…
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Flash Memory CardsFlash Memory Cards
Notebook computersNotebook computers
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Flash Memory CardsFlash Memory Cards
Notebook computersNotebook computersDigital camerasDigital cameras
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Flash Memory CardsFlash Memory Cards
Notebook computersNotebook computersDigital camerasDigital camerasMP3 music files MP3 music files
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Flash DrivesFlash Drives
256 MB to 1 GB256 MB to 1 GB
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Internet Hard DriveInternet Hard Drive
A.K.AA.K.AOnline StorageOnline Storage i-drivei-drive
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Works CitedWorks Cited
O’Leary, Timothy J., O’Leary, Linda I. O’Leary, Timothy J., O’Leary, Linda I. Computing EssentialsComputing Essentials. New York: . New York: McGraw-Hill, 2007.McGraw-Hill, 2007.