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Information Systems Development. Outline. Information System - defined Information System - examples System Development Project The team System Development Life Cycle The phases. Information System - defined. System Subsystem Information System

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Presentation Transcript

Outline
Outline

  • Information System - defined

  • Information System - examples

  • System Development Project

    • The team

  • System Development Life Cycle

    • The phases


Information system defined
Information System - defined

  • System

    • Subsystem

  • Information System

    • Software, Hardware, Data, Procedures, People

    • Common Goal:

      • Producing quality _____________ in order to support operations, management, and the decision making needs of an organization.


Information system examples
Information System - examples

  • Distribution System

    • Order Fulfillment (4)

    • Stock Replenishment (3)

  • Others

    • Retail - POS

    • Restaurants - Menu Order System

    • Hospitals – Patient Information System

    • University – Registration System

    • Banks

    • Etc.


System development project
System Development Project

  • How does the idea for a new project come about?

    • Problem

    • Opportunity

  • Who is involved in the development of the system?

    • Users

    • Steering Committee

    • Vendors

    • Information Technology

      • Managers

      • Systems Analysts

      • Data Warehouse Specialist

      • Database Administrators & Data Analysts

      • Programmers

      • Web Developers

      • Security Specialists

      • Network Administrators


SDLC

  • SDLC = ______ _________ ______ _______

    • What is it?

Planning

Analysis

Design

Implementation

Support


Sdlc phases
SDLC Phases

Plan for a successful project!

Steps:

Review project requests

Prioritize requests

Allocate resources

Form a development team

Planning

  • Planning Phase


Sdlc phases1
SDLC Phases

Determine ______ the new system should do.

  • Steps:

    • Study how the current system works

      • Information Gathering Techniques

    • Identify problems and needs

    • Conduct a Feasibility Study

      • Economic, Operational, Schedule, Technical, Political

    • Recommend a solution

Planning

Analysis

Analysis Phase


Sdlc phases2
SDLC Phases

Planning

Analysis

Design

Design Phase

  • Determine _______ the new system will accomplish the tasks.

  • Steps:

    • Acquire HW & SW

    • Design the details of the new system


Sdlc phases3
SDLC Phases

Prepare and install the system

Steps

Develop programs

Test

Train

Install

Direct

Parallel

Phased

Pilot

Planning

Analysis

Design

Implementation

  • Implementation Phase


Sdlc phases4
SDLC Phases

Support and maintain the system

Steps

Operate

Maintain

Monitor performance

Assess security

Operation, Support, Security Phase

Planning

Analysis

Design

Implementation

Support


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