Home > ICT > Data, information and databases > Data validation and verification
Data, information and databases
What is an automatic computer check to make sure data entered is sensible and reasonable known as?
What validation type would make sure a post code was entered in the correct format?
What validation type would you use to check that numbers fell within a certain range?
What validation type checks that a field is not left blank?
What validation type uses the last one or two digits to check the other digits are correct?
What validation type checks a minimum number of characters have been entered?
Data is to be entered into a computer in the format YYMMDD. Which of the following is not a valid date?
21st June 2004
Which of the following statements is false?
validation can check that the data is sensible
validation can check that the data falls between certain allowable boundaries
validation can check that the data is correct
Which of the following is NOT a method of verification?
double entry - typing the data in twice and getting the computer to check the second version against the first
using presence, range and length checks to make sure that no mistakes happen
printing out what you have typed in and comparing it against the source data