Why architecture patterns are important? Explain Model-View-Controller, layered and repository architecture. [10]

Describe Model-driven architecture. What type of abstract system models are produced by it? [5]

Explain the process of software configuration management. [5]

Write short notes on: a) open-source development b) Test driven development [5]

What are the basic principles of agile methods? Explain. [5]

Briefly explain requirement engineering process. [5]

Explain process model for software prototype development with a neat diagram focusing on its different stages. [10]

Explain software review process. [5]

Describe different factors affecting software pricing. [5]

List various attributes of good software and explain them. [5]

Explain key activities performed during Unit testing, component testing and system testing. [10]

Draw sequence diagram for online food ordering system where the user can choose foods of various restaurants and pay online. The system also provides discount of 10% if the total amount paid is more than Rs. 3000. The user if cancels the order within 30 minutes will be approved else the paid amount will not be refunded. [5]