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PROGRAM Master of
Science in Information Technology(MSc IT)
SEMESTER -1
SUBJECT CODE
&NAME-MIT104– Software Engineering
CREDIT 4
BK ID -B0808 &
B0809
MAX. MARKS -60
Q1. What are the
limitations of the linear sequential model? [10] 10
Answer.
The Serial or Linear Sequential Development
Model
This Model also called as the
Classic life cycle or the Waterfall model. The Linear sequential model suggests
a systematic sequential
Q2. Why reliability should always
take precedence over efficiency? Explain.
Answer:
Software reliability is a function of the number of failures
experienced by a particular user of that software. A software failure occurs
when the software is executing. It is a situation in which the software does
not deliver the service expected by the user. Software failures are not the
same as software faults although these terms are often used interchangeably.
There is, of course, an efficiency penalty, which must be paid
for increasing reliability. Reliable software must include extra
Q3 What is Object
–oriented design? What are characteristics of an object oriented design (OOD)? [3
+7] 10
Answer.
Object Oriented Design
Object –oriented design is a
design strategy based on information hiding. It differs from the function
approach to design in that it views a software system as a set of interacting
objects, with their own private state, rather than as a set of functions that
share a global state.
The characteristics
Q4. Write a note on
Prototyping Model. [10] 10
Answer.
The Prototyping Model
Prototypes are used in many
engineering disciplines. Although what constitutes a software or information
systems prototype cannot be uniquely defined, there are three readily
identifiable characteristics. The prototype should be
Q5.
(a)What do you mean
by software maintenance?
Answer.
Software Maintenance
Maintenance refers to the support
phase of software development. Maintenance focuses on CHANGE associated with
error correction, adaptations required as the software environment evolves, and
changes due to enhancements brought about by changing customer requirements or improved
capability on the part of developers.
Four types of
Qus:6 What are the factors affecting the status or
interpretation of differences in software engineering?
Answer:
Factors affecting the status or interpretation of
differences in software engineering:
·
The
simultaneity factor: Some differences can appear
contradictory when they occur simultaneously, but are actually complementary
when placed in sequential order on a timeline. For example, consider a false
dichotomy such as whether analysis or design, process or architecture is more
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