IGCSE ICT Topic 7 Quiz

What validation type would make sure a post code,

such as LA21 4NN,

was entered in the correct layout?

• Length check

• Presence check

• Range check

• Format check

• Type check

What validation type would you use to make sure a number entered

was > 0 but not > 100?

• Length check

• Presence check

• Range check

• Format check

• Type check

What validation type checks that a field in an online form

is not left empty?

• Length check

• Presence check

• Range check

• Format check

• Type check

What validation type checks that

the correct number of characters has been entered?

• Length check

• Presence check

• Range check

• Format check

• Type check

Data is to be entered in the format DDMMYY.

Which of the following is NOT a valid date?

• 230421

• 010120

• 30th May 2024

• 050505

• 121221

Which of the following statements is FALSE?

• Validation can check that data entered is sensible

• Validation can check a value lies between an upper and lower bound

• Validation can check that a field in an online form is not left blank

• Validation is an automatic check done by a computer

• Validation can check that the data entered is correct

Temperatures (which must be in the range 20 to 80 inclusive) are being

input into a computer. Test data is being used to make sure the validation

checks work. Which of the following are examples of extreme data?

• 0 and 100

• 19 and 81

• 20 and 80

• 21 and 81

• -1 and 85

What is the name given to data which is outside the limits of acceptability?

• Normal

• Live

• Extreme

• Abnormal

• Errorneous

Which of the following is NOT a valid method of implementing a new

computer system?

• Serial changeover

• Direct changeover

• Parallel running

• Pilot implementation

• Phased implementation

Which of the following data-gathering methods suffers from the Hawthorne

effect?

^{Hawthorne effect: individuals modify an aspect of their behavior in response to their awareness of being observed}

• Examining existing documents

• Interviewing customers who use the system

• Interviewing staff who use the system

• Observing workers doing the tasks

• Filling in questionnaires