Dr. Ken Cosh. ICS321 Management Information Systems. Business Applications Ebusiness Systems Cross Functional Ebusiness Systems CRM SCM KMS DSS Business Intelligence. Review. “Building Information Systems” Redesigning an organisation with IS
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Dr. Ken Cosh
An engineering discipline that investigates the cost effective development of systems.
Concerned with all practical aspects of system production from system specification to system maintenance, including design, development and implementation.Systems Engineering
“Requirements are the things that you should discover before starting to build your product. Discovering the requirements during construction, or worse, when your client starts using your product, is so expensive and so inefficient... …A requirement is something that the product must do or a quality that the product must have.”
[Robertson & Robertson 1999]
The Importance of R.E. effective development of systems.
Requirements Elicitation effective development of systems.
Brainstorming effective development of systems.
However, arguments and people not really understanding what they do.Facilitated Meetings
Discussion of what should occur in different situations and under different conditions.
But, can you cover all eventualities?Scenarios
Analysis of available systems
A Good Requirements Specification
Analysis of existing systems
Detecting & Resolving Conflicts between Requirements under different conditions.
Discovering the bounds of a system and how it interacts in it’s environment
Elaborate System Requirements to Software RequirementsRequirements Analysis
Economic Evaluation under different conditions.
Apparent / Hidden Costs under different conditions.
Improper use of management time
Security / Privacy
Training & Recruitment
Benefits under different conditions.