Flashcards
Input and Output Chapter 6
Flashcards do conjunto (7)
- 1What does GIGO stand for?Garbage in Garbage out
- 2What is the purpose of validation?Validation checks that the data is sensible
- 3Describe what a presence check is used for.It is used to check is something, Such as a command or variable is actually there.
- 4What is a range check?A range check tests if data entered is within a defined range.
- 5Give an example of when a length check would be used.A length check would be used when entering a limited string of numbers, such as a 4 number PIN code.
- 6Why would a programmer use a modulus check?It would be used if entering a bank account number, but a user error has been, If an error was made, it wouldn't be divisible by 11.
- 7When creating an authentication routine into a program what are the five elements it would require?A list (Of Usernames & Passwords).
Data input (Username).
A verification check (Username).
2nd Data input (Password).
2nd verification check (Password).
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- Descrição
- GCSE Computing FlashCards sobre Input and Output Chapter 6, criado por Connor Brennan em 22-09-2017.
- Criado por
- Connor Brennan · set 2017
- Atualizado
- 22 set 2017
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- Criado por Mrs H. Noble · 22 set 2017
- Copiado por Connor Brennan · 22 set 2017
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