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Data&Information (Coding of data (Examples (M & F, Mo, Tu,We ,Th…
Data&Information
Coding of data
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Advantages
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Validation is easier (limited number of codes it is easier to match them against the rules to check if they are entered correctly)
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Encoding of data
What is encoding?
Data is converted into a code when it is entered into the system, so it is in a form that can be understood by the system
Why they need to encode?
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Example:when you press the number 9 on a keyboard, the computer understands this as 00111001
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Direct and Indirect data
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Indirect data
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Examples
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Electoral register - Resident counting the number of people in a flat in order to see how many people there are to vote at an election
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