Information and data
see p. 78
What you need to know •
The difference between data and information
•
What the relationship is between data and information.
Data is just facts and figures that have no meaning or links. When data is processed into information, it is given a meaning.
Data Data is facts or figures that have no meaning or link.
Information Information is where data is given some meaning, so that you understand what it is about.
R
A
FT
For example, this is a list of airport codes in destinations where a travel agent has special offers. The codes are all 3 letters long. LGW is London Gatwick.
Relationship formula
To remember the relationship between data and information use this formula:
D
Information = data + [structure] + [context]
The information might need to be in a specific format, like a postcode, which is why structure is sometimes needed.
Practise it!
1
Define the term ‘information’.
2
Explain why some information has a structure, using a suitable example.
3
Remember it! (2 marks)
•
Data is a list of items that have no meaning or structure.
•
Information is where data has been given some meaning.
•
Information = data + [structure] + [context].
(3 marks)
Discuss the impact of selling information about your customers. (9 marks)
Tip: This has a link to TA4 and the different legislation.
Revision Guide
29
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