Exam (elaborations)
System analysis and design chapter 1-4 exam |148 questions and answers.
- Module
- SYSTEM ANALYSIS AND DESIGN
- Institution
- Oxford University (OX)
System analysis and design chapter 1-4 exam |148 questions and answers.
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System analysis and design chapter 1-4exam 148 questions and answers
Information system - answer A set of interrelated components that collects processes stores and
provides as output the information needed to complete business task . Always includes people
who operate the system and carry out some of the work
Systems analysis - answer Those system development activities that enable a person to
understand and specify what the new system should accomplish
Systems design - answer System development activities that enable a person to describe in
detail how the resulting information system will actually be implemented
Project - answer A planned undertaking that has a beginning,end, and produces end results
SDLC - answer System development life cycle
System development life cycle - answer A framework that identifies all the activities required to
research, build, deploy, and often maintain an information system
System development process - answer Or system development methodology, a set of
comprehensive guidelines for carrying out all the activities of each core processor of the SDLC
Name the SDLC core processes - answer 1. Identify the problem and obtain approval
2. Plan and monitor the project
3. Discover and understand the details of problem or need
4. Design system components
5. Build, test,and integrate system components
6. Complete system tests and deploy the solution
,Agile Development - answer An information system development process that emphasizes
flexibility and rapid response to anticipate new and changing requirements during development
Iterative development - answer An approach to system development in which the system is
"grown" piece by piece through multiple mini projects called iterations
Subsystem - answer An identifiable and fully functional part of a complete system
The planning process for an iteration consists of three steps: - answer -Identify the tasks
required for the iteration
-Organize and sequence these tasks into a schedule
-Identify required resources (especially people) and assign people to tasks
WBS - answer Work breakdown structure
What is the WBS - answer After tasks of an iteration are identified, they are compiled and
organized into a document by order of importance, this includes estimates of how long each
task will take.
Iteration schedule - answer Tasks taken from the WBS and placed them on day-by-day
sequence.
Two core process 1 activities (called pre-project activities) - answer -Identify the problem and
document the objective of the solution system
-Obtain approval to commence the project
System Vision Document - answer Document that shows the problem description, system
capabilities, and business benefits.
, Three core process 2 activities - answer -Determine the major components (functional areas)
that are needed
-Define the iterations and assign each functional area to an iteration
-Determine team members and responsibilities
Core process 3 activities: - answer -Do fact-finding tasks to understand the requirements
-Develop a list of use cases and a use case diagram
-Develop a list of classes and a class diagram, define user experience with sketches of screens
and reports needed for each use case
Use case - answer a document showing a case or situation where the system is used.
ex/USE CASE: Look up supplier, DESCRIPTION: using suppler name, find supplier information and
contacts
Domain classes - answer Identifies the things in the real world that the system needs to know
about and keep track of. To find domain classes, we look for all objects or things that a system
uses or captures.
EX/Object class: Supplier Attributes: Supplier name, address, description, comments
Domain class diagram: - answer a visual diagram of domain classes, their attributes, and their
associations with other classes
Use case description - answer a method for documenting details of a use case, to document
interactions between the user and the system
activity diagram - answer a UML diagram that shows all the steps within the use case, to
document interactions between the user and the system and the sequential flow of the
activities
ex/Purchasing agent: start-enter supplier name-
ex/Tradeshow system: return supplier information
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