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Chapter 1 & 8

ITM 305 Chapter Notes - Chapter 1 & 8: Business Analysis, Structured Analysis, Waterfall Model

Information Technology Management
Course Code
ITM 305
Lin Ying Dong
1 & 8

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 - Ensures that an informaon system developed ts organizaon needs
 - A soware program that executes on a compung device to carry out a specic set of funcons
! "- Set of interrelated components that collect, processes, stores and provides as output the
informaon needed to complete business tasks. Includes database and related manual processes
Enre process consisng all acvies required to build, launch, and maintain an info system
- Idenfy the problem/need and obtain approval
- and monitor the project
- #$and understand the details of the problem/need
- #(the system components that solve the problem
- ), test, and integrate system components
- system tests and deploy soluon
-) $+
.!) (assumes phases can be completed sequenally with no overlap or iteraon)
Assumes project can be planned in advanced and that the info system and be developed according to the plan
Requirements are well understood and/or low technical risk
/-) $+
Iterave model
Assumes project is *exible and can adapt to changing needs as it progresses
Requirements and needs are uncertain and/or high technical risk
) ) $"#%
- Earlier approach based on engineering
- Typically have sequenal Phases (ex. planning, analysis, design)
- Waterfall model (assumes phases can be completed sequenally with no overlap or iteraon)
0*1$(+) $"#%- Flexible.
Sll assumes predicve planning and sequenal phases
 $) ")&+2) $"#%'
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