Requirements are the needs to solve a problem or to achieve
an objective.............
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answer
Types of software requirements: a. Business Rules: They
define the high-level needs of the system. They are written in project charter
document. They are collected from various stakeholders like sponsor, customer,
managers, and company head..................
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Challenges of gathering software requirements: a) SMEs and
business owners have low availability b) There might be missed assumptions
causing confusion.................
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Methods of eliciting requirements: a) Draw DFD: Constructing
a data flow diagram explaining all the important business processes flow of
data among them including their sequence..............
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Interviewing for eliciting requirements involves interviewing
different people with different view for gaining knowledge on a one to one
basis. Some of the questions asked in the interview could be:.............
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Brainstorming involves a collective session of all the business owners in a
single room. It is necessary to have a facilitator or coordinator who can
ensure smooth execution of the brainstorming session................
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Mind mapping involves penning down a central idea and
thinking of new and related ideas around it which radiate out from the
centre..................
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FAST is short form for Facilitated Application Specification Technique. They
are a collection of workshops that are held for identifying
requirements.....................
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JAD (Joint application design) is similar to brainstorming.
Unlike a couple of hours for brainstorming, JAD sessions last for typically
about 3 days. JAD produces high level, specific software models including data,
functions and behavior..................
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A Use case approach defines what a system will do from a
user’s perspective. They provide a detailed description of a particular user
requirement and are structured. Some of the concepts related and involved in a
use case are:................
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Guidelines for writing quality requirements: a) Be precise
and accurate b) Don’t make huge paragraphs c) Use terminologies consistently
and provide a glossary of these................
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