Define the following terms i. Product requirements [2 marks] Process requirements 12 marks] iti. Functional requirements [2 marks] Non-functional requirements [2 marks] b) Briefly explain what you understand by the following tests Unit testing [2 marks] ii. Acceptance testing Integration testing What do you understand by software prototyping?aclede se 12 marks] [2 marks] 12 marks Give and briefly explain at least four the benefits of prototyping in the software development process. 14 marks] What is a context diagram? [3 marks] Explain how the diagram mentioned in 1 (e) above is useful in software engineering.