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Pattern check
format check
entry verification
What happens if the calculated checksum doesn't match the received checksum?
3. Another type of input validation check is a
check, which verifies that input has a certain length.
What does ISBN stand for?
presence check
Which input check ensures that the input is not empty?
What does the checksum digit in an ISBN represent?
What is the purpose of a checksum?
isbn
barcode scanner
Data integrity
A mathematical algorithm that is used to validate identification numbers, such as credit card numbers, is called the Luhn
.
The process of confirming that the data entered into a system is accurate and correct is called
verification.
A
is a value calculated from data and used to check if the data has been altered or corrupted.
What does a presence check validate?
2. One type of input validation check is a
check, which verifies that input falls within a specific range.
The International Standard Book Number (ISBN) is a unique identifier for books and is typically a 10 or 13 digit number. It is used to identify
.
6. The purpose of a
check is to prevent input that is outside of acceptable limits.
