presentation handout edba – module 8 information technology 30 th november 2014 by k.m.prashanthan

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Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

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Page 1: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Presentation Handout

EDBA – Module 8Information Technology

30th November 2014

ByK.M.Prashanthan

Page 2: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Agenda

• Information Systems Development Process• Different life cycles used in software

development• Centralised versus Decentralised Information

Systems• Client Server Architecture

Page 3: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Information Systems Development Process

• Phase 1 – Feasibility Study• Phase 2 - Requirements Gathering• Phase 3 – Software Design• Phase 4A – Development (only for bespoke software, not

relevant for ERPs)• Phase 4B – Configuration (only relevant for ERPs not for

bespoke software)• Phase 5 – Testing• Phase 6 – Implementation• Phase 7 – Post Implementation Review

Page 4: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

• Waterfall life cycle• Prototyping life cycle• Phased life cycle (Incremental, Evolutionary)• Spiral model• V-Model• Rapid Application Development (RAD)• Agile Methodology• Maintenance life cycle model

Different life cycles used in software development

Page 5: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Centralised vs Decentralised Information Systems

• Centralised Information System- Advantages- Disadvantages

• Decentralised Information System- Advantages- Disadvantages

• Distributed Information System- Advantages

Page 6: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Client Server Architecture

• Definition of Client Server• Not Client Server• 2-Tier Client Server• 3-Tier Client Server

Page 7: Presentation Handout EDBA – Module 8 Information Technology 30 th November 2014 By K.M.Prashanthan

Thank You