-What is testing?
Testing is checking that all parts of a system or product work to ensure that as many problems as possible are avoided.

-Why is it important?
It is important to avoid viruses, hackers, losing data, losing customers, losing time and money and getting a poor reputation.

-Give 2 possible consequences to a company of not testing.
Possible consequences of a company not testing are slow processing and computer crashes.

-Give 2 reasons why it is important to have a test plan.
It is important to have test plan incase someone testing leaves the company. Therefore their work has not gone to waste, and the new employee can pick up where they left off. It is also proof that it has been tested.