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Computer STORAGE. There are two types of storage Primary- Ram (hard-drive) Primary- Ram (hard-drive) Secondary- Permanent or nonvolatile storage Secondary-

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Presentation on theme: "Computer STORAGE. There are two types of storage Primary- Ram (hard-drive) Primary- Ram (hard-drive) Secondary- Permanent or nonvolatile storage Secondary-"— Presentation transcript:

1 Computer STORAGE

2 There are two types of storage Primary- Ram (hard-drive) Primary- Ram (hard-drive) Secondary- Permanent or nonvolatile storage Secondary- Permanent or nonvolatile storage

3 Secondary Storage is used to Save Save

4 Secondary Storage is used to Save Save Back up Back up

5 Secondary Storage is used to Save Save Back up Back up Transport files Transport files

6 Floppy Disk (diskettes) 3 1/2 - inch dis 3 1/2 - inch dis

7 Floppy Disk (diskettes) 3 1/2 - inch disk 3 1/2 - inch disk 1.44 MB 1.44 MB

8 High-Capacity Floppy Disks Floppy-disk cartridges 100 MB 100 MB

9 High-Capacity Floppy Disks Floppy-disk cartridges 100 MB 100 MB 250 MB 250 MB

10 High-Capacity Floppy Disks Floppy-disk cartridges 100 MB 100 MB 250 MB 250 MB 750 MB 750 MB

11 Internal Hard Disk (fixed disk) Designated C drive Designated C drive

12 Internal Hard Disk (fixed disk) Designated C drive Designated C drive Stores Stores Operating system Operating system Major applications Major applications

13 Removable Hard-disk (hard-disk cartridges) Storage depends on the number of cartridges (unlimited) Storage depends on the number of cartridges (unlimited)

14 Hard-Disk Packs Removable Storage Removable Storage

15 Hard-Disk Packs Removable Storage Removable Storage Stores massive amounts Stores massive amounts

16 Optical Disks 17 gigabytes of data 17 gigabytes of data

17 Optical Disks 17 gigabytes of data 17 gigabytes of data Med sz. Library on 1 disk Med sz. Library on 1 disk

18 Compact Disc Stores 650 MB to 1 GB Stores 650 MB to 1 GB

19 Compact Disc Stores 650 MB to 1 GB Stores 650 MB to 1 GB 3 Types 3 Types

20 Compact Disc Stores 650 MB to 1 GB Stores 650 MB to 1 GB 3 Types 3 Types Read only Read only

21 Compact Disc Stores 650 MB to 1 GB Stores 650 MB to 1 GB 3 Types 3 Types Read only Read only Write once Write once

22 Compact Disc Stores 650 MB to 1 GB Stores 650 MB to 1 GB 3 Types 3 Types Read only Read only Write once Write once Rewriteable Rewriteable

23 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB

24 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB 17x the capacity of CD’s 17x the capacity of CD’s

25 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB 17x the capacity of CD’s 17x the capacity of CD’s 3 Types 3 Types

26 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB 17x the capacity of CD’s 17x the capacity of CD’s 3 Types 3 Types Read only: DVD-ROM Read only: DVD-ROM

27 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB 17x the capacity of CD’s 17x the capacity of CD’s 3 Types 3 Types Read only: DVD-ROM Read only: DVD-ROM Write once: DVD+R, DVD-R Write once: DVD+R, DVD-R

28 DVD (digital versatile / video disc) DVD (digital versatile / video disc) Stores 4.7 GB to 17 GB Stores 4.7 GB to 17 GB 17x the capacity of CD’s 17x the capacity of CD’s 3 Types 3 Types Read only: DVD-ROM Read only: DVD-ROM Write once: DVD+R, DVD-R Write once: DVD+R, DVD-R Rewriteable: DVD+RW, DVD-RW, DVD-RAM Rewriteable: DVD+RW, DVD-RW, DVD-RAM

29 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc

30 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD

31 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD 15 to 30 GB 15 to 30 GB

32 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD 15 to 30 GB 15 to 30 GB Can be easily mass produced Can be easily mass produced

33 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD 15 to 30 GB 15 to 30 GB Can be easily mass produced Can be easily mass produced Blu-Ray Blu-Ray

34 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD 15 to 30 GB 15 to 30 GB Can be easily mass produced Can be easily mass produced Blu-Ray Blu-Ray 25 to 50 GB 25 to 50 GB

35 HI-Definition Discs HI-Definition Discs The next generation of optical disc The next generation of optical disc HD DVD HD DVD 15 to 30 GB 15 to 30 GB Can be easily mass produced Can be easily mass produced Blu-Ray Blu-Ray 25 to 50 GB 25 to 50 GB Not easily mass produced Not easily mass produced

36 Other types of storage…

37 Flash Memory Cards Notebook computers Notebook computers

38 Flash Memory Cards Notebook computers Notebook computers Digital cameras Digital cameras

39 Flash Memory Cards Notebook computers Notebook computers Digital cameras Digital cameras MP3 music files MP3 music files

40 Flash Drives 256 MB to 1 GB 256 MB to 1 GB

41 Internet Hard Drive A.K.A A.K.A Online Storage Online Storage i-drive i-drive

42 Works Cited O’Leary, Timothy J., O’Leary, Linda I. Computing Essentials. New York: McGraw-Hill, 2007.

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