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PROGRAM
BSC
IT
SEMESTER
FOURTH
SUBJECT
CODE & NAME
BT0081,
SOFTWARE ENGINEERING
Qus1.
Explain Information content and determinacy.
Answer:
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.
Qus:2
Describe spiral model and its various task regions.
Answer:
Spiral model:
This model
couples the iterative nature of the prototyping with the controlled and
systematic aspects of the linear sequential model. It provides the potential
for
Qus:3
Explain the various steps involved in establishing a reliability specification
and statistical testing.
Answer:
The steps involved in establishing a
reliability specification are as follows:
1) For each
identified sub-system, identify the different types of system failure, which
may occur and analyze the consequences of these failures.
2) From the
system failure
Qus:4
Differentiate object-oriented and function oriented approaches.
Answer:
Object-oriented
approaches:
Object-oriented design (OOD) transforms the analysis model created using
object-oriented analysis into a design model that serves as a blueprint for
software construction. Unlike conventional software design methods, OOD results
in a design that achieves a number of different
Qus:5
Identify the different documents which may be produced to aid the maintenance
process.
Answer:
Documents, which
may be produced to aid the maintenance process, include:
·
The requirements document and as
associated rationale.
·
A document describing the overall system
architecture.
·
For each program in the system, a
description of the architecture of that program.
·
For each component, a specification and
design description.
·
Program source code listings
Qus:6
Discuss the various test design methods used in real time software testing.
Answer:
Comprehensive
test case design methods for real-time systems have yet to evolve. However, an
overall four-step strategy can be proposed:
·
Task testing: The first step in the testing of real-time
software is to test each task independently. That is
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