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System analysis and design chapter 1-4 Exam Study Guid $11.49   Add to cart
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System analysis and design chapter 1-4 Exam Study Guid
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System analysis and design chapter 1-4 Exam Study Guide 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 w...

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  • October 2, 2024
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  • 2024/2025
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FIRST PUBLISH SEPTEMBER 2024




System analysis and design chapter 1-4
Exam Study Guide

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

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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

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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




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