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Question:
(a) Briefly explain the following concepts:
(i) Encapsulation and its advantages (ii) Abstract class and its use (iii) Polymorphism and its advantages
(b) Object oriented software development promotes class reuse. Explain how this is achieved and give two advantages and two disadvantages of class reuse.
(c) Briefly outline the facilities provided by a generic CASE tool to perform Object Oriented analysis and design. You may refer to an example of a CASE tool you have used during your course.
Bottom-up testing is a method of integration testing. A test engineer makes and uses test drivers for components that have not yet been developed, because, with bottom-up testing,
Problem: a) Assume a washing machine. List all possible states of the washing machine. Draw a state diagram showing also the events triggering the change of states where poss
What are the conditions exists after performing validation testing? After performing the validation testing there two situations arise. The function or performance characterist
What things will you remember when making an interface? - A class's interface must be sensible enough. It should act the way user expects it to. - It must be designed from t
Advantages of incremental Model:- As product is to be delivered in parts, total cost of the project is dispersed. Limited number of persons can be put on to the projec
Define the Level 1 of maturity model At this maturitylevel,software is developed an ad hoc basis and nonstrategic technique is used for its development. Success of developed s
Define the Minimum cardinality of a relationship Minimum cardinality of a relationship is the minimum number of instances of second entity (student, in this case) with every in
Software
Discuss some of the problems that are faced during maintenance of software. The problems are: - Often another person or group of persons working over the years in isolat
Justify the term "Software is engineered" Software is engineered not manufactured. Although some similarities exit among software development and hardware manufacture, the two
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