Storage Devices
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Presentation about storage devices and their advantages and disadvantages(pictures included)

Presentation about storage devices and their advantages and disadvantages(pictures included)

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Storage Devices Storage Devices Presentation Transcript

  • CD DVD Manvel
    • Definition : CD Read Only Memory/DVD Read Only Memory
    • This means when we buy it, it has some data already installed on it and we can’t remove that data. We can read it, but can’t save on it
    • Examples are: Musical CD, Film DVD
    • Advantage
    • It has a lot of memory on it
    • Disadvantage
    • A data can be installed on it one time only
    Manvel
    • An empty CD/DVD disk
    • Advantages
    • It is small and portable.
    • It is very cheap to produce.
    • Fairly fast to access data.
    • Disadvantages
    • Data can be stored 1 time only.
    • It is easy to break or scratched.
    Manvel
    • Advantages
    • It has enough memory in it.
    • The data can be stored as much time as you want.
    • It is small and portable.
    • Fairly fast to access data.
    • Disadvantages
    • DVDs do not work in CD drives.
    • There is no single standard of DVD.
    • They can be easily damaged by breaking or scratching.
    Manvel
    • DVD Random-Access Memory
    • Advantages
    • Long life (about 30 years without damaging).
    • Can be rewritten about 100000 times.
    • Has write-protect tabs to prevent accidental deletion when used in a cartridge.
    • Disadvantages
    • Less compatibility than DVD+RW and DVD-RW, despite predating both formats (as noted above).
    • DVD-RAM media is more expensive than other types of DVD.
    Manvel
    • High Definition/Density DVD
    • Advantages
    • Cheap considering the picture quality produced by HD-DVD and the list of movie studios.
    • Sounds good.
    • Backwards compatibility included.
    • Disadvantages
    • Xbox 360 version features no HDMI.
    • Films are not cheap.
    Manvel
    • Advantages
    • Huge storage capacity.
    • Backwards compatibility.
    • Keep on burning.
    • Quality support.
    • Disadvantages
    • High cost.
    Manvel
    • Advantages
    • Smallest form of memory, used as removable storage.
    • More robust than other forms of storage.
    • Can be easily written to and updated.
    • Small and comfortable.
    • Disadvantages
    • More expensive than other forms.
    • Easy to lost.
    Manvel
    • Advantages
    • Used to transport files and backup data from computer to computer.
    • Can store up to a lot of Gigabytes.
    • Disadvantages
    • Can be easily lost.
    Manvel
    • Advantages
    • They are compact and portable.
    • They hold a lot of data.
    • They are reliable.
    • Disadvantages
    • At the moment, the cost per megabyte of storage is more expensive than floppy disks, CDs or DVDs.
    • They can be easily lost.
    • The metal part which is inserted into the USB port can be snapped off if they are handled roughly .
    Manvel