IGCSE CS Validation Techniques

Match the following options with their correct matches.

• Ignoring user input completely

• Ignoring user input completely

• Checking that data input by the user meets specific criteria or rules before being processed

• Checking that data input by the user meets specific criteria or rules before being processed

• Processing data first and then checking criteria

• Allowing any data input without any checks

• Allowing any data input without any checks

• Processing data first and then checking criteria

Match the following options with their correct matches.

• Checking if the input is within a specific range

• Checking if the input is of the correct data type

• Checking if the input format is correct

• Checking if the input is mandatory

• Checking if the input is of the correct data type

• Checking if the input format is correct

• Checking if the input is mandatory

• Checking if the input is within a specific range

Match the following options with their corresponding matches.

• Checking if the input is of the correct data type

• Checking if the input format is correct

• Checking if the input is mandatory

• Checking if the input is mandatory

• Checking if the input format is correct

• Checking if the input is of the correct data type

• Checking if the input is within the correct range

• Checking if the input is within the correct range

When would you use a presence check in input validation?

• On fields that need a range check

• On fields that require a specific format

• On fields that are optional

• On fields that are considered mandatory

What is the purpose of format checks in input validation?

(a)  

• _____
• To check if the input is within a s
• To check if the format of the input
• To check if the input is of the cor
• To check if the input is mandatory

What do length checks in input validation verify?

• If the input is of the correct data type

• If the input includes the correct minimum or maximum number of characters

• If the input is within a specific range

• If the input is mandatory

What is a check digit used for in validation?

• Including a code or some other form of identification number

• Checking if the input format is correct

• Checking if the input is within a specific range

• Checking if the input is mandatory

Which validation technique checks if the input is of the correct data type?

• Presence check

• Range check

• Type check

• Format check

Which validation technique checks if the input is within a specific (a)   ?

• Format check
• Range check
• Type check
• Presence check

Which validation technique checks if the input is (a)   ?

• Presence check
• Format check
• Type check
• Range check