lhunter792
Mind Map by , created about 6 years ago

As level ICT Mind Map on ICT, created by lhunter792 on 09/09/2013.

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lhunter792
Created by lhunter792 about 6 years ago
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1 Data, Information and knowledge
1.1 Data
1.1.1 Raw facts and figures that has no meaning until processed
1.1.2 51,77,85,82,64,70,63,72
1.1.3 Vanilla, chocolate, vanilla, strawberry, vanilla, vanilla, strawberry
1.2 Information
1.2.1 Data which has been PROCESSED within a CONTEXT in order to make it MEANINGFUL possibly by changing the FORMAT
1.2.2 test scores achieved by students
1.2.3 tubs of ice cream sold yesterday, find out most popular
1.3 Knowledge
1.3.1 Understanding information in a particular context by applying a set of rules
1.3.2 class teacher applies rules and works out grades for students
1.3.3 Shop manager looks to see most popular ice cream and orders twice as much of it in the next order
2 Sources of data
2.1 Direct data source
2.1.1 data is collected for a stated specific purpose and only used for that purpose
2.1.2 Complete, accurate, up to date
2.1.2.1 Advantages
2.1.3 Appropriate (for for purpose)
2.1.4 Reliable( validation + verification)
2.1.5 Takes a long time
2.1.5.1 Disadavntages
2.1.6 can be expensive (hardware)
2.1.7 data may be unavailable
2.2 Indirect data source
2.2.1 Data is collected for one purpose and then used for another
2.2.2 Advantages
2.2.2.1 Takes less time than direct data
2.2.2.2 Enter text here

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