AS1

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What is data?
Data are raw facts and figures. These raw values could be numbers, characters, transactions, dates, true/false values, symbols or readings from sensors. On their own they have no meaning, but they may be inputted and stored in a computer.
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What is information?
Information is data that has been processed by a computer. It is what the computer outputs. Information has a context which makes it meaningful.
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What is knowledge?
Knowledge is derived from information by applying rules to it i.e. it is what you get when you interpret information. Knowledge is using information to make decisions. To summarise: knowledge can be gained by interpreting the information obtained by
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What is validation?
Validation is the automatic checking of data entered onto a computer system
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What is verification?
A human checks that data has been correctly copied/entered.
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Other cards in this set

Card 2

Front

Information is data that has been processed by a computer. It is what the computer outputs. Information has a context which makes it meaningful.

Back

What is information?

Card 3

Front

Knowledge is derived from information by applying rules to it i.e. it is what you get when you interpret information. Knowledge is using information to make decisions. To summarise: knowledge can be gained by interpreting the information obtained by

Back

Preview of the back of card 3

Card 4

Front

Validation is the automatic checking of data entered onto a computer system

Back

Preview of the back of card 4

Card 5

Front

A human checks that data has been correctly copied/entered.

Back

Preview of the back of card 5

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