Mit109 – software engineering

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ASSIGNMENT
DRIVE FALL 2016
PROGRAM Master of Science in Information Technology (MSc. IT)
SEMESTER 1
SUBJECT CODE & NAME MIT109 – Software Engineering
BK ID B0808 & B0809
CREDITS 4
MARKS 30
Note: Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Question. 1. What is Object –oriented design? Write any three
characteristics of an object-oriented design (OOD).
Answer: Object Oriented Design is the concept that forces programmers to plan out their code in
orderto have a betterflowingprogram.The originsof objectorienteddesignisdebated,butthe first
languagesthatsupportedit included Simula and SmallTalk. The term did not become popular until
Grady Booch wrote the first paper titled Object-Oriented Design, in 1982.
ObjectOrientedDesignisdefinedasa programming language that has 5 conceptual tools to aid the
programmer. These programs are often more readable than non-object oriented programs, and
debugging becomes easier with locality.
Question. 2. Write a short note on Capability Maturity Model.
Answer: The Capability Maturity Model (CMM)[1] is a development model created after study of
data collectedfromorganizationsthatcontractedwiththe U.S.Departmentof Defense,whofunded
the research.The term "maturity"relatestothe degree of formality and optimization of processes,
fromad hoc practices,to formallydefinedsteps,tomanagedresultmetrics,toactive optimizationof
the processes.

The model'saimisto improve existingsoftwaredevelopmentprocesses,butitcanalsobe appliedto
other processes.
Maturity model: A maturity model can be viewed as
Question. 3. Briefly explain Prototyping Model.
Answer: The basicidea here is that instead of freezing the requirements before a design or coding
can proceed, a throwaway prototype is built to understand the requirements. This prototype is
developedbasedonthe currentlyknownrequirements.Byusingthisprototype,the clientcangetan
“actual feel” of the system, since the interactions with prototype can enable the client to better
understand the requirements of the desired system. Prototyping is an attractive idea for
complicated and large systems for which there is no manual process or existing system to help
determining the requirements.
The prototype are usually not complete systems and many of the details are not built in the
prototype. The goal is to provide a system with overall functionality.
Question. 4. What are the limitations of the linear sequential
model?
Answer: LinearSequential Model/WaterfallModel/Classic Life Cycle : The linear sequential model,
sometimes called the classic life cycle or the waterfall model, suggests a systematic, sequential
approach to software development that begins at the system level and progresses through
communication, planning, modeling, construction and deployment. The following given figure
illustrates the linear sequential model for software engineering.
(i) Communication : This activity involves heavy communication with customers and other
stakeholders in order to gather requirements and other related activities.
(ii) Planning: Here a planto be followedwill be createdwhichwilldescribethe technical tasks to be
conducted, risks, required resources, work schedule etc.

Question. 5. What is Verification and Validation? Briefly explain
Validation Testing and Validation Test Criteria.
Answer: Insoftware projectmanagement,software testing, and software engineering, verification
and validation(V&V) isthe processof checkingthata software systemmeetsspecifications and that
it fulfills its intended purpose. It may also be referred to as software quality control. It is normally
the responsibilityof software testersaspart of the software developmentlifecycle. In simple terms,
software verification is: "Assuming we should build X, does our software actually achieve its goals
without any bugs or gaps?" On the other hand,
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Mit109 – software engineering

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