Answer the following statements true (T) or false (F)

1. A test for range or reasonableness works if there are only a few valid values, and it is feasible for situations in which values are not restricted and predictable.
2. The Luhn formula is designed to catch every transposition error.
3. Credit card processing uses a check digit formula called the Luhn formula.
4. A pattern that contains symbols representing the type of data that must be present in a field is called a character map.


1. FALSE
2. FALSE
3. TRUE
4. FALSE

Computer Science & Information Technology

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Fill in the blank(s) with the appropriate word(s).

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