Robust and Secure Programming (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is a robust program?
What is a robust program?
One that keeps working even with unexpected data
What does a secure program ensure?
What does a secure program ensure?
Only the right people can use it
What does data validation do?
What does data validation do?
Checks incoming data meets certain rules
In the banking example, what problem occurs if negative amounts are allowed?
In the banking example, what problem occurs if negative amounts are allowed?
Users essentially add money to their account
What banking flaw allows users to take more than they have?
What banking flaw allows users to take more than they have?
Lack of overdraft prevention checks
What does range validation check?
What does range validation check?
Numbers fall within acceptable limits
What is the purpose of length validation?
What is the purpose of length validation?
Ensures text has right number of characters
What does a presence check do?
What does a presence check do?
Stops users leaving important fields empty
Why does the improved banking example use a loop?
Why does the improved banking example use a loop?
To keep asking until valid input is received
What can validation NOT check?
What can validation NOT check?
If data is actually correct
What is validation about ensuring?
What is validation about ensuring?
Data is sensible and expected
What feature helps users in the improved banking example?
What feature helps users in the improved banking example?
Helpful error messages