![CDs and DVDs Can be used for: ,[object Object],which are too big for a floppy disc to hold such as music and general animation. ,[object Object],movie films. Both CDs and DVDs are portable i.e. they can be transported from one computer to another. ,[object Object],Ara Papikyan](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Presemtation Storage Devices
- 1. Optical storage device Here some information
- 4. DVDs need DVD playerAra Papikyan
- 6. CD ROM/DVD ROM Advantages: They are self-paced. In CD ROM and DVD Rom can be stored any data until its capacity limit. They a re highly interactive. Disadvantages: For updates it requires new CD. DVD ROM format’s biggest disadvantage it that it can’t be used more than once. Ara Papikyan
- 8. DVDs – recording of film movies and television programs.Advantages: Long life — without physical damage, data is retained for an estimated 30 years. For this reason, it has uses in archival storage. Disadvantages: DVD-RAM media have always been more expensive than other types of DVD. Less compatibility than DVD+RW and DVD-RW, despite predating both formats . Ara Papikyan
- 9. CD RW/DVD RW Applications which require the updating of information and ability to record over old data. Not suitable for music recording but is very useful for keeping generations of files. DVDs have between five and ten times the capacity of CDs. Advantages: DVD-RW disc is a rewritable optical disc with equal storage capacity to a DVD-R, typically 4.7 GB. Disadvantage: Not good for recording music files Old optical drivers can not read Ara Papikyan
- 11. Used in video recorders, camcorders and computer memory.Advantage: Very fast access of small files on the disc. Disc defect management designed to safeguard data. Disadvantage: Less compatibility than DVD+RW and DVD-RW, despite predating both formats . Ara Papikyan
- 13. Advantages:
- 15. Bigger pits to read
- 16. Disadvantage:
- 17. Not as much capacity as in blu ray.
- 18. HD DVD may not be developed in the futureAra Papikyan
- 19. Blu-ray Used in video recorders and computer memory as well as games consoles. Largest storage capacity of optical media. Advantages: Ability to store either 25GB or compress the data to fit up to 50GB of Data. The only optical disc device that holds high-definition quality audio and video Disadvantages: Blu-ray discs and players are still very expensive Ara Papikyan
- 21. More robust than other forms of storage.
- 22. More expensive than other forms but can be easily written to and updated.Ara Papikyan
- 24. Used to transport files and backup data from computer to computer.
- 25. Can transfer data between two PC's using their USB ports.
- 26. Small and ComfortableAra Papikyan
- 28. Flash memory cards are non-volatile
- 29. Its smaller than flash driveAra Papikyan