modelling ict

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(GEOGRAPHY) Mind Map on modelling ict, created by james buchan on 22/06/2013.
james buchan
Mind Map by james buchan, updated more than 1 year ago
james buchan
Created by james buchan over 11 years ago
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Resource summary

modelling ict
  1. model
    1. a simulation
      1. The 3 main types of data in a spreadsheet model
        1. cells
          1. rows
            1. columns
              1. relative cell referencing:not using the $ in cell references so the cell does change when a formula is copied into another cell
                1. how to format a spreadsheet:including widen columns,change the colour,size,embolden,underline,borders etc
                2. all the cells going down a spreadsheet in a line:labelled with a letter
                3. all the cells going across a spreadsheet in a line:labelled with a number
                4. individual boxes in a spreadsheet where you can enter data
                5. including rules,variables and labels (a.k.a formulae,numbers and text
                6. changing the variables in a model to test different situations
                7. a representation of a real life situation or thing
                  1. what a formula is
                    1. an automatic calculation in a spreadsheet
                      1. cell reference
                        1. i.e A1,C4 etc
                          1. Formula to add/subtract the values of cells together
                            1. formula to multiply values together
                              1. formula to divide values
                                1. how the results of formula change when another cell value is changed:you should be able to predict what will happen in a spreadsheet when a variable is changed.e.g if the price of an item goes up... the total income will go up by
                                  1. absolute cell referencing:using the$to make the cell reference stay the same when a formula is copied into another cell
                8. different value formats including:currency,date,text decimals etc
                  1. what "what if" questions are in a spreadsheet model
                    1. advantages of using spreadsheet models
                      1. graphs,price/cost,profit/loss,surveys,questionnaires
                        1. close question:questions are limited to a few choices
                          1. open question:questions that could have any answer
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