Check

What is an automatic computer check to make sure data entered is sensible and reasonable known as?

• Double entry

• Verification

• Validation

1. What validation type would make sure a post code was entered in the correct format?

• 1. Length check

• 1. Format check

• 1. Presence check

1. What validation type would you use to check that numbers fell within a certain range?

• 1. Range check

• 1. Presence check

• 1. Check digit

1. What validation type checks that a field is not left blank?

• 1. Format check

• 1. Length check

• 1. Presence check

1. What validation type uses the last one or two digits to check the other digits are correct?

• 1. Length check

• 1. Format check

• 1. Check digit

What validation type checks a minimum number of characters have been entered?

• 1. Length check

• 1. Format check

• 1. Range Check

Data is to be entered into a computer in the format YYMMDD. Which of the following is not a valid date?

• 310921

• 211113

• 1. 21st June 2004

1. Which of the following statements is false?

• 1. Validation can check that the data is sensible

• 1. Validation can check that the data falls between certain allowable boundaries

• 1. Validation can check that the data is correct

1. Which of the following is NOT a method of verification?

• 1. Double entry - typing the data in twice and getting the computer to check the second version against the first

• 1. Using presence, range and length checks to make sure that no mistakes happen

• 1. Printing out what you have typed in and comparing it against the source data

1. Which method of validation would be ideal for a shop to use when entering information into a stock database?

• Lookup

• 1. Format check

• 1. Presence check