Systems analysis and development CIS210 ch 06

CIS 210 Systems Analysis and Development Week 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 ... 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... 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... system requirements – Understand and be able to explain the concepts related to using requirements determination techniques in developing web applications Overview • Systems Analysis – Requirements