Producing Robust Programs

Question 1

What is used to check the input is the correct data type?

Answer 1

Type Check

Question 2

What is used to check the input is within the correct range?

Answer 2

Range Check

Question 3

What is used to check data has been entered?

Answer 3

Presence Check

Question 4

What is used to check input is in the correct format?

Answer 4

Format Check

Question 5

What is used to check the input has the correct number of characters?

Answer 5

Length Check

Question 6

Name three things you can do to make a program more maintainable?

Answer 6

• Comments (explain purpose of section)
• White Space (Makes sections of code stand out)
• Indentation (to show the flow of the program)
• Variable Names (clarify use for variable)
• Sub Programs (Structure of code)