Systems analysis and development CIS210 ch 06

CIS 210Systems 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

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

• 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

• Requirements Determination Process

• Traditional Requirements Determination

Methods

• Contemporary Requirements Determination Methods