Development and testing

1

What happens at the implementation stage of the software development cycle?

2

What happens at the evolution stage of the software development cycle?

3

What is perfective maintenance used for?

4

Why is a system tested?

5

What is test-driven development?

6

Why is code refactored?

7

What is erroneous test data?

8

What is the difference between validation and verification?

9

What is functional testing?

10

Why should you comment code?