Flashcards
Secondary Storage
Cards in this deck (3)
- 1Explain why secondary storage is needed.Without secondary storage, you would lose all of your data every time your computer powered down.
secondary storage device are non -volatile memory ..that is they are permanent storage devices.. - 2Describe what optical storage is and how it works.Optical storage is any storage method in which data is written and read with a laser. Typically, data is written to optical media, such as CDs and DVDs.
- 3Describe what magnetic storage is and how it works.Magnetic storage media and devices store data in the form of tiny magnetised dots. These dots are created, read and erased using magnetic fields created by very tiny electromagnets.
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- Flashcards on Secondary Storage, created by shaw.d17 on 16/12/2015.
- Created by
- shaw.d17 · Dec 2015
- Updated
- Nov 3, 2016
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