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Coding Data

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.

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Coding Data

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  1. AS ICT Coding Data

  2. Number plates Number plates are an example of encoding data they contain a area code and an age identifier.

  3. 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.

  4. 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

  5. Where its useful. • Clothes stores • Country names • Airlines/flight codes

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