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