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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
slide6
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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