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PROGRAM-
BSc IT
SEMESTER-
FOURTH
SUBJECT
CODE & NAME- BT0081, Software Engineering
CREDIT-4
BOOK
ID- B1090
MAX. MARKS- 60
Q.1:
Explain different kinds of software applications.
ANS:
Software applications can be
neatly compartmentalized into different categories.
System software:System software is a collection
of programs written to service other programs. Some system software processes
complex information structures. Other systems applications process largely indeterminate
data. It is characterized by heavy interaction with hardware, heavy usage by
multiple users, concurrent operation
Q.2:
What are the Limitations of waterfall model? Explain in brief.
ANS:
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. But for a new system,
determining the requirements is difficult as the user does not even know the
Q.3: Describe the operation of Data
flow model with the help of a block diagram
ANS:
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 functional processing, data stores
and data movements between functions. Data-flow models are used to show how data
flows through a sequence of processing steps. The data is transformed at each
Q.4: Explain the various activities
involved in Software Reengineering process model
ANS:
Software reengineering process model
that defines size activities, shown in figure. In some cases, these activities
occur in a linear sequence, but this is not always the case. For e.g., it may
be that reverse engineering may have to
Q.5: Explain Black-Box Testing in
detail
ANS:
Black-box testing, also called
behavioral 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
Q.6: With the help of bock diagram
explain how global problem solving can apply a software-driven approach to
enhance the efficiency of problem solving.
ANS:
Global problem solving can apply
a software-driven approach to enhance the efficiency of problem solving. The
effectiveness of these approaches on business performance in terms of the
business value created and software project
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