Systems analysis and development CIS210 ch 06
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CIS 210
Systems Analysis
and Development
Week 3 Part II
Determining System Requirements
Objectives
• Upon completion of part I you will be able to:
– Understand and be able to explain the concepts related to designing and
conducting interviews and developing a plan for determining system
requirements
– Understand and be able to explain the concepts related to designing,
distributing and analyzing questionnaires
– Understand and be able to explain the concepts related to advantages and
pitfalls of observing workers and analyzing business documents in
determining system requirements
– Understand and be able to explain the concepts related to a joint
application design session
– Understand and be able to explain the concepts related to the use of
prototyping to determine system requirements
– Understand and be able to explain the concepts related to using
requirements determination techniques in developing web applications
Overview
• Systems Analysis
– Requirements determination
– Requirements structure
Requirements
Determination
• Process of Determining Requirements
– Analyst characteristics
•
•
•
•
•
Impertinence
Impartiality
Relax constraints
Attention to details
Reframing
– Deliverables and outcomes
• All information gather
• Understanding of organizational components
Determining
Requirements
• Traditional Methods
– Interviewing and Listening
• Guidelines for effective interviewing
• Choosing interview questions
– Open-ended
– Closed-ended
–
–
–
–
Interviewing Groups
Nominal Group Technique
Directly Observing Users
Analyzing procedures and Other Documents
Determining
Requirements
• Contemporary Methods
– JAD
• Structure of role and agenda
• Separate location
• Participants in a JAD
– Group support systems
• Potential benefits
– CASE tools
• Upper CASE
– Prototyping
• Circumstances lending themselves to prototyping
Summary
• Requirements Determination Process
• Traditional Requirements Determination
Methods
• Contemporary Requirements Determination
Methods
