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Question:
(a)
(i) Using examples from the case study or otherwise, explain the following concepts:
• Encapsulation • Specialization • Polymorphism
(ii) Discuss the advantages of the above concepts with respect to software development.
(b) Using a diagram, define the phases of the Unified Development Process. Describe, briefly, the activities and deliverables of each phase.
(c) Briefly describe how the CRC (Class-Responsibility-Collaboration) index card approach may be used in Object Oriented Analysis. List two advantages and two disadvantages of using CRC in systems analysis.
Define Requirement Engineering . Requirement Engineering is a process in which all of the activities required to maintain and create a system requirements document. The four
QUESTION - Fault Tolerance (a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a
Implementing the program with all possible combinations of values for program variables. Feasible only for small, simple programs.
What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin
Distinguish software faults and software failures Ans: In case of a failure, the software does not do what the user expects. A fault is a programming error that may or may not
Decision-making is the activity of deciding appropriate action in given situations. Having useful information helps to reduce the uncertainty in decision-making. Information is
Define Cardinality & Modality. Cardinality: Requirement of the number of occurrences of one that can be linked to number of occurrences of another. Modality: The Modality of
Write down any four application of a stack. (i) Conversion of infix to postfix form (ii) Reversing of a line. (iii) Removal of recursion (iv) Evaluating post fix expression
What is Software? Software is nothing but a collection of computer programs that are related documents that are indented to give desired features, functionalities and improved
When must a function throw an exception? A function must throw an exception when it's not able to fulfil its promise. As soon as function detects a problem which prevents it
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