volatile, temporary storage, not permanently written, computer needs to be turned on to use it, when computer is turned off data stored in this is deleted
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Card 17
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non- volatile, permanent storage,permanently written, and not erased when computer is switched off
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Card 18
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a standard data file format where individuals fields in a single record are separated by a comma e.g apple, banana, true, 12/12/07
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Card 19
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a measure of the impact of our activities on the enviroment, calculates greenhouse gases we are expected to produce and measures them in units of co2. impacts on the enviroment: o-zone layer, global warming, pollution
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Card 20
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assists the user in the production of a document
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Card 21
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usually made of multimedia e.g video and sound files. advantages: work at your own pace, stop at any point, testing & scoring feedback, retake tests until you pass
