Purpose and Types of checking:

Question 1

What reasons are there for testing?

Answer 1

• Make sure there are no erros.
• Check that the programme has a acceotable usability and performance.
• make sure unathorised acess is prevnted.
• Make sure it fills criteria.

Question 2

What is iterative testing? (PERFOMED WHEN THE SOFTWARE IS BEING DEVELOPED).

Answer 2

• Checks each new module as it is written.
• Programme branches are checked for functionality.
• Checks each new module does not introduce errors.
• Ensure programme handles erroneous data and exceptional situations.

Question 3

What is final/terminal testing? (PERFORMED WHEN THE PROGRAMME IS FINISHED).

Answer 3

• Tests all modules work together.
• Tests that program produces the require results with normal, boundary, invalid, erroneous data.
• Checks program meets requirements with real data.
• A beta test may find more errors.