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

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Presentation transcript:

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

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

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

Centralised vs Decentralised Information Systems Centralised Information System - Advantages - Disadvantages Decentralised Information System - Advantages - Disadvantages Distributed Information System - Advantages

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

Thank You