UNIT 15 PROOFING

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  • Created by: T2000
  • Created on: 22-10-15 16:29
Validation
When computer checks data entered
1 of 10
Types of Validation
1. Length 2. Character 3. Range 4. Format 5. Presence 6. Consistency 7. Check digit 8. Limit
2 of 10
Length Check
Checks that what is entered is the correct length
3 of 10
Character Check
Checks if correct data type
4 of 10
Range Check
Checks if data entered falls in a particular range
5 of 10
Limit check
Check if data does not exceed the limit
6 of 10
Presence Check
Checks if there are no fields are left blank
7 of 10
Format Check
Checks that data is in the right format (postcode)
8 of 10
Consistency Check
Make sure that there is a relationship between the data
9 of 10
Check Digit
When you want to be sure that a range of numbers is entered correctly ( e.g. bar-code readers in supermarkets)
10 of 10

Other cards in this set

Card 2

Front

1. Length 2. Character 3. Range 4. Format 5. Presence 6. Consistency 7. Check digit 8. Limit

Back

Types of Validation

Card 3

Front

Checks that what is entered is the correct length

Back

Preview of the back of card 3

Card 4

Front

Checks if correct data type

Back

Preview of the back of card 4

Card 5

Front

Checks if data entered falls in a particular range

Back

Preview of the back of card 5
View more cards

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