TOPIC 1 AS ICT

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DEFINE DATA:
Raw facts or figures, set of values or measurements with no meaning.
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DEFINE INFORMATION:
Data with a context.
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DEFINE KNOWLEDGE:
Derived from information by applying rules to it.
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WAYS DATA CAN ARISE:
Data can arise from a transaction, a survey or results of an experiment.
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HOW IS DATA ENCODED:
Data is usually encoded when it is collected OR when it is input into an ICT system.
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ADVANTAGES OF ENCODING DATA:
Saves time typing in data / easier to validate / processing is faster as less RAM is required.
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DISADVANTAGES OF ENCODING DATA:
Limited choice leading to less accurate data
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WHAT CAN VALUE JUDGEMENTS LEAD TO:
Can lead to inconsistency / coarsening data can lead to a loss of precision.
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Other cards in this set

Card 2

Front

DEFINE INFORMATION:

Back

Data with a context.

Card 3

Front

DEFINE KNOWLEDGE:

Back

Preview of the front of card 3

Card 4

Front

WAYS DATA CAN ARISE:

Back

Preview of the front of card 4

Card 5

Front

HOW IS DATA ENCODED:

Back

Preview of the front of card 5
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