21. The aim of software engineering is to produce software that is a) Fault-free b) Delivered on time c) Delivered within budget d) Satisfies users’ needs e) All of these are the aims of software engineering 22. What benefits does software design patterns provide? a) Novice designers can benefit from learning solution patterns that experts use, with needing design experience b) Expert designers can benefit from studying patterns too: They can broaden their repert of patterns and deepen their understanding of the patterns they already know c) Promoting Communication d) Increasing Development Efficiency e) All of above f a) and b) g) Except c) The feature of the object oriented paradigm which helps code reuse is a) Object b) Class c) Inheritance d) Aggregation. 3. . 4. Which of the following is not an area of concern in the design model? a) Architecture b) Data design c) Interfaces design d) Project scope e) Modular design
21 Answer) Option e is correct.
All of the given options are the aim of a software engineering according to its official definition.
22 Answer) Correct option is g) Except c .
According to the known benefits of software design pattern, designers save time and complexity of a complex application by the help of prior projects’ pattern. Novice developers get help as well from the former experts and learn from them. It thus saves time and increases development efficiency.
23 Answer) Correct option is C.
Inheritance allows the codes of the parent class to be reused by its child or derived class. Hence the concept of code-reusability gets implemented by this technique.
24 Answer) The correct answer is d) Project Scope Project scope comes under Project planning/monitoring
25 Answer) Correct option is d) a, b There is no concept related to risk.
26 Answer) Correct option is d) All mentioned above. All of the given options i.e., a, b and d are the important duties and activities of a project manager.