Topic 1: Data and Quality of data

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What is data?
Data is raw facts and figures, e.g. readings from sensors and survey facts
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What is processing?
Processing: Performing calculations or arranging the data into a meaningful order.
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What is information?
Information: Data that has been processed by the computer.
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What is knowledge?
Knowledge: Derived from information by applying rules to it.
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What is encoding?
Encoding is applying codes to the data reducing its size
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What are the advantages of encoding?
It takes up less storage space, easing transferable, easier to back
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What are the disadvantages of encoding?
Easily stolen, training needed, security problem, viruses etc.
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Card 2

Front

What is processing?

Back

Processing: Performing calculations or arranging the data into a meaningful order.

Card 3

Front

What is information?

Back

Preview of the front of card 3

Card 4

Front

What is knowledge?

Back

Preview of the front of card 4

Card 5

Front

What is encoding?

Back

Preview of the front of card 5
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