Software Engineering Assignment

Question #1
You have been appointed a project manager within an information systems organization. Your
job is to build an application that is quite similar to others your team has built, although this one
is larger and more complex. Requirements have been thoroughly documented by the customer.
What software process model(s) would you choose and why? Explain in detail.
Answer:
As the information system already exists in which some development is to be made and
released. Now Developer just need to make some addition in the previous application because
Customer requirements are documented, which mean requirements are well understood and
have no need to modified requirement.
Process Selected:.
Prototype model will be used in development of this application. In prototype model application
or project is made in series of increment throughout project. In prototype model we first make a
prototype and give to the customer and make changes in it accordingly as required by the
customer. Further increment made after previous ones. Large systems are particularly suitable
for prototype model.
Prototype model is a strategy that allows system to be developed in pieces. Prototype
model allows the additions in process as per requirements, process change can be
implemented.
To make this application we have to use the already existing application and make increments
in it and made new more complex and large application Requirements are fulfilled already for
this application.
Question# 2
University of Gujrat is currently running through different departments like Administration,
Accounts, Examination, Admission, Library, Computer Labs, Faculty Management, and Student
Management etc. Every department has its own specific processes and each department is
using computer-based system to some extent but not complete computer based solutions.
There is also inter-departmental communication for the smooth running of all functions in
respective departments. It is decided by the higher management that all the departments should
be integrated under one system and that system should accommodate all the processes
existing in all departments. It is also decided that if this system is implemented successfully then
it will also be used in other departments of University of Gujrat independently after configuring it
according to their needs. Higher Management wants to see this system within this year. Risks,
which can arise, should be accommodated implicitly keeping the time factor in mind. As the
system will be used in public sector, so verification and validation factors must be administered
accordingly. What software process model(s) would you choose and why? Explain in detail

System need modification and integration .System is large and use in public sector .University
of Gujrat all department use this system according to their needs, which mean departments
have some same function and some different function. Risks analysis is also important factor
which should be resolve in given time frame. As system use in public sector, so verification and
validation factors must be administered accordingly.
Selected Process Model:
Selected process model is “Component Model” use to develop this system.
In the majority of software projects, there is some software reuse. This often happens informally
when people working on the project know of designs or code that are similar to what is required.
They look for these, modify them as needed, and incorporate them into their system. A general
process model for reuse-based development. Although the initial requirements specification
stage and the validation stage are comparable with other software processes, the intermediate
stages in a reuse oriented process are different. These stages are:
1. Component analysis given the requirements specification, a search is made for components
to implement that specification. Usually, there is no exact match and the components that may
be used only provide some of the functionality required.
2. Requirements modification during this stage, the requirements are analyzed using information
about the components that have been discovered. They are then modified to reflect the
available components. Where modifications are impossible, the component analysis activity
may be re-entered to search for alternative solutions.
3. System design with reuse during this phase, the framework of the system is designed or an
existing framework is reused. The designers take into account the components that are reused
and organize the framework to cater for this. Some new software may have to be designed if
reusable components are not available.
4. Development and integration Software that cannot be externally procured is developed, and
the components and COTS systems are integrated to create the new system. System
integration, in this model, may be part of the development process rather than a separate
activity.
Component software engineering has the obvious advantage of reducing the amount of
software to be developed and so reducing cost and risks. It usually also leads to faster delivery
of the software.System boundaries should be defined and clearly specified in a component-
based approach requirement analysis also implies that it is necessary to analyze whether
requirements can be fulfilled with available components. System is use in public sector. All
departments have some same function and some different function .We use component base
approach to reuse the same component in this way we reduce our code and save time. This
becomes important as we complete project in this year. The risk is analysis in every component
by doing this risk is reducing and project become more accurate and efficient. This project
approach is as useful when we need to modifier the some component we do not need to modify
all project we just modify that component. Another reason for using this approach is to save time
and complete this project in given time frame, risk is also reduce by this approach. Validation
and verification also made on each component.

Question #3
You have been appointed a project manager for a major software products company. Your job
is to manage the development of the next generation version of its widely used word-processing
software. Because competition is intense, tight deadlines have been established and
announced. What software process model(s) would you choose and why?
Assumptions
We have to use that process model which meets the requirements to make the version in the
given time limit because the deadline has been defined already.
Selected Process Model
We will use the RAD (Rapid Application Development) model because tight deadline has been
announced for project completion. We need to modify the previous version of word-processing
software. As Rapid Application Development is a linear sequential software development
process model that emphasises an extremely short development cycle.
A component-based construction approach is used. There can be several teams working on
different components during this time limit announced.
Reason for selection:
The main reason for choosing
Question# 4
You have been asked to develop a small application that analyzes each course offered by a
university and reports the average grade obtained in the course (for a given term). What
software model(s) would you choose and why?
As the requirements are simply known and understood that we have to just develop a small
application that analyzes each course offered by a university and reports the average grade
obtained in the course
Selected Process Model:
The sequential/Waterfall Model is better for this application. Because water fall model is used
when the requirements are well understood for the start and no changes are needed in that so
as the requirements of the application is well understood for the start so waterfall model is
suitable for this.

Software Engineering Assignment

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Software Engineering Assignment