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10720749
Data and Information
Description
Unit 1 Section 1 Data and Information
No tags specified
wjec
gcse
ict
it
unit 1
year 11
Mind Map by
Katie Leese
, updated more than 1 year ago
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Created by
Katie Leese
about 7 years ago
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Resource summary
Data and Information
Information and Knowledge
Information is processed data
Students finished the race in 60s, 120s, 140s and 180s
Knowledge is information where rules have been applied
Shortest time is race winner, 60s is the winning time
Validation
Range check
Checks numbers are between a range
Format check
Checks correct mix of letters and numbers is entered
Presence check
Checks field isn't empty
Check digits
A number added to the end of numbers
Quality of Data
If the data is inaccurate then GIGO could happen when the data is processed
Accuracy
Fit for purpose
Data shouldn't favour a particular result
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