Ch 6 - Determining System Requirments Flashcards
Traditional Methods for Determining Requirments
- Interviews with Individuals
- Observation of workers
- Business documents
What kind of question to ask for Interviewing for Requirments? Trad
- Open-Ended Questions (no pre-sepecified answers)
- Close-Ended Questions (asked to choose from specified responses)
What does Directly Observing Users entail for Requirment Gathering? Trad
Observing actual measures of how employees itneract with info systems & how they do their jobs. But it’s often difficult to obtain unbiased data
What types of information can be found from analyzing procedures & other documents? Trad
- Problems with existing system
- Opportunities to meet new needs
- Special information processing circumstances
- Rules for processing data
& mroe
What are the three ways of determining requirements?
- Traditional
- Modern
- Radical
What is the Modern Method JAD?
Joint Application Design - brings toghether key users, managers, & systems analysts to collect system reqs simultaneously from key people involved with system.
What is modern method Prototyping?
It’s goal is to develop concrete specficiations for ultimate systems. It’s helpful when few users are involved & user requests are not clear.
What is Radical Method BPR?
Business Process Reengineering - search for & implementation of radical change in business processes to achieve breakthrough improvements in products & services