Karteikarten
Input and Output Chapter 6
Karten in diesem Stapel (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.a presence check ensures that the user has actually input and there is something actually there to be used
- 4What is a range check?a range check makes sure that the input data falls between two points.
- 5Give an example of when a length check would be used.a length check would be used to ensure that a password is of the right size for the program to allow it.
- 6Why would a programmer use a modulus check?a programmer would use a modulus check digit to ensure that a bank card is valid or that a phone number is real.
- 7When creating an authentication routine into a program what are the five elements it would require?a list of all usernames and passwords, data for the username, a routine to check if it exists, password input, a check for the passwords correctness.
Informationen
- Beschreibung
- GCSE Computing Karteikarten am Input and Output Chapter 6, erstellt von Brandon Beckett am 22/09/2017.
- Erstellt von
- Brandon Beckett
- Aufrufe
- 1
- Tags
- Verlauf
-
- Erstellt von Mrs H. Noble · 22 Sep 2017
- Kopiert von Brandon Beckett · 22 Sep 2017
- Bewertung