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LO3 - Coggle Diagram
LO3
Data
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can be made up of letters, numbers ,symbols, graphics and sounds.
data types
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main data types:
text
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could be used to store names of items or people. phone numbers are usually stored as text as this means they can have spaces and start with a 0.
alphanumeric
any combination of letters , symbols, spaces or numbers
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can be used to store postcodes , as these contain numbers and letters
integer number
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can be used to store number of items in stock, numbers of lengths swum, number of tickets sold in one day to a live concert, tv channel number and years.
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currency
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shows data in a format of money, it can be used to show currency signs and have decimal places to show the full currency details.
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fraction
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number format, included in spreadsheet software, enables fractions to be inputted and manipulated.
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date/ time
different formats that can be used. which one will depend on how the data is being stored and processed
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limited choice
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a drop down list , radio button , tick list
can be used to insert to select a day of the week, or radio button to select a payment method
object
additional component, usually found in a spreadsheet
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logical
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yes or no , true or false , male or female , 1 or 0
can be used to store gender of a person , or to answer a closed question.