# AS IT Modelling key terms

some key terms for ocr as IT on modelling

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model
consists of data about a thing and rules that control what the data does.
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Financial model
used with mathimatical calculations and often done on spreadsheets
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what if
an analysis that can predict the effects of the user changing certain varibles to see the outcome.
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object model
a vertual representation and can be used to model large objects like buildings
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formulae
an instruction to a computer to process data in specific cells, using simple mathimatical calculations to find the value of those cells eg C4+D5
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functions
more complicated formulae that are built in to the computer and use words as instructions to work out a calculation
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SUM
a function that calculates the total of a range of cells
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AVERAGE
calaculates the mean of a range of cells
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MIN
calculates the smallest value in a range of data
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MAX
calculates the largest value in a range of data
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varible
an identifier and are used in what if analysis as the thing the user changes to see the effect that will have on the rest of the model
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## Other cards in this set

### Card 2

#### Front

used with mathimatical calculations and often done on spreadsheets

Financial model

### Card 3

#### Front

an analysis that can predict the effects of the user changing certain varibles to see the outcome.

### Card 4

#### Front

a vertual representation and can be used to model large objects like buildings

### Card 5

#### Front

an instruction to a computer to process data in specific cells, using simple mathimatical calculations to find the value of those cells eg C4+D5

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