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AS ICT. Coding Data. Number plates. Number plates are an example of encoding data they contain a area code and an age identifier. What is coding data?. Assigning codes to piece of information to shorten it. e.g a skirt in size 10 that’s black would be converted to SK10BK. - PowerPoint PPT Presentation
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Coding DataAS ICT
Number plates
Number plates are an example of encoding data they contain a area code and an age identifier.
What is coding data?
Assigning codes to piece of information to shorten it.
e.g a skirt in size 10 that’s black would be converted to SK10BK.
Disadvantages and advantages!
Disadvantages Detail can be lost Useless unless you
know the context Less Accuracy on
opinion collections
Advantages Speeds up data
entry You can use
validation Uses less memory Faster searching
Where its useful.
Clothes stores Country names Airlines/flight codes
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