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PROGRAM-BCA
(REVISED FALL 2012)
SEMESTER-5
SUBJECT
CODE & NAME BCA5030 - Software Engineering
BK
ID-B1090
CREDITS-4
Credits
MAXIMUM
MARKS-60
Q1.
Explain different kinds of software applications.[10]
Answer.
Different
kinds of software applications
Software may be applied in any
situation for which a prespecified set of procedural steps has been defined.
Information content and determinacy are important factors in determining the
nature of a software application. Content refers to the meaning and form of
incoming and outgoing information.
Software applications can be neatly
compartmentalized into different categories.
System software: System software is a collection
of programs written toservice other programs. Some system
Q2.
What are the Limitations of waterfall model? Explain [10]
Answer.
Limitations
of waterfall model
1. The linear sequential model or
waterfall model assumes the requirement of a system which can be frozen
(baseline) before the design begins. This is possible for systems designed to
automate an existing manual system.
Q3.
Describe the operation of Data flow model with the help of a block diagram [10]
Answer.
Operation
of Data flow model
Data-flow model is a way of
showing how data is processed by a system. At the analysis level, they should
be used to model the way in which data is processed in the existing system. The
notations used in these models represents
Q4.
Explain the various activities involved in Software Reengineering process model
[10]
Answer.
Activities
involved in Software reengineering process model
This means that each of the
activities presented as a part of the paradigm may be revised. For any
particular cycle, the process can terminate after any one of these activities.
Inventory analysis: Every software organization
should have an inventory of all applications. The inventory can
Q5.
Explain Black-Box testing in detail [10]
Answer.
Black-Box
testing
Black-box testing, also called behavioural
testing, focuses on the functional requirements of the software. That is,
black-box testing enables the software engineer to derive sets of input
conditions that will fully exercise all functional requirements for a program.
Black-box testing is not an alternative to white-box techniques. Rather, it is
a complementary approach that is likely to uncover a different class of errors
than white-box methods. Black-box testing attempts to find errors in the
following categories:
Q6.
With the help of bock diagram explain how global problem solving can apply a
software-driven approach to enhance the efficiency of problem solving. [10]
Answer.
Global
problem solving on software-driven approach
Problem solving consists of using
generic or ad hoc methods, in an orderly manner, for finding solutions to
problems. Some of the problem-solving techniques developed and used in
artificial intelligence, computer science, engineering, mathematics, medicine,
etc. are related to mental problem-solving techniques studied in psychology.
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