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Winter
2015 ASSIGNMENT
PROGRAM-MCA(REVISED
FALL 2012)
SEMESTER-V
SUBJECT
CODE & NAME-MCA5020-ADVANCED SOFTWARE ENGINEERING
CREDIT-4
BK
ID-B1636
MAX.
MARKS-60
1. Write
short notes on waterfall model. List its advantages and dis advantages
Answer:
Waterfall
model
The waterfall model is a
common life cycle model. It is also known as linearsequential life cycle model.
This life cycle is simple and easy to understand.
Each phase in this model
commences only if the previous phase has entirely completed. This life cycle
model is used where the requirements are clearly known. If the software
development tool is well known, then the waterfall life cycle model is used.
Figure
2. Differentiate
Predictive SDLC and Adaptive SDLC 5+5
Answer.
Predictive
SDLC and Adaptive SDLC
Predictive approaches
are traditional in nature and were used extensively during the 1980s and 1990s.
Predictive approaches assume that a project can be planned in advance. Many
newer adaptive approaches have been adopted since the 1990s. These approaches
assume that a project cannot be planned in advance and must be flexible. These
approaches
Q3. Describe
the XP values- feedback and courage.
Answer:
As a developer you choose XP not only to develop an
efficient program, but also to develop the program in an efficient way. XP
enables you to achieve efficiency by making the entire process systematic and
simple. As programmers, you
4. Briefly
explain about tracker and coach in XP. 5+5
Answer.
Tracker
and coach in XP
Tracker
A tracker is a person
who keeps track of the schedule. A tracker can be a manager or a trusted
developer. XP keeps track of certain metrics that include team velocity. This
is the ratio of ideal time estimated for accomplishing a task to the actual
time spent implementing them. The tracker also includes other data such as
change in velocity, overtime worked, and the ratio of passing tests to failing
tests. It is the responsibility of the tracker to prepare good estimates of the
tasks. Preparing good estimates is a matter of practice and feedback. The
tracker has to make estimates to a
5.
Explain XP prerequisites. 5*2
Answer.
XP
prerequisites
The following are the
prerequisites for adopting XP:
·
Team
agreement
·
A
collocated team
·
On-site
customers
·
The
right team size
·
Use
all XP practices
Let us now discuss
these prerequisites.
Team agreement
The team’s agreement
to
6. List
and explain any five basic principles of DSDM 5*2
Answer.
Principles
of DSDM
DSDM consists of nine
basic principles. These principles form the cornerstones of development using
DSDM and direct how development progresses. Ignoring any one of them will break
with the frameworks philosophy and significantly increases project risks. The
principles are as follows:
·
Active
user involvement is imperative.
·
Teams
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