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10 Cards in this Set
- Front
- Back
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What are the two types of memory
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Primary memory and secondary memory
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What does volatile mean
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The contents are erasable
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Where are floppy disks used
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Where thee a small files that need to be move from one computer to another
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What is stored on hard discs
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Operating systems, software and working data
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Why are hard discs used in computers
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They can be read and written fast and are able to hold large amounts of data
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Disadvantages of portable hard discs
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They have to be handled quite carefully and are more expensive than most other forms of removable media
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Advantages of magnetic tapes
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Able to store large amounts of data with a low cost
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Disadvantages of magnetic tapes
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Writing and retrieving data is slow and serial access is used for reading and writing
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Give examples of optical backing storage
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CDs and dvds
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Where are flash memory cards used
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Digital camera, handheld and mobile computers, telephones, music player, video game consoles
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