M1S2 System Development Cycle ♼ 1 Flashcards
SDLC
System Development Life Cycle
The methodologies or set of activities that analysts,designers, and users to carry out to develop and implement and information system.
System Development Life Cycle
Why is it necessary to follow a specific methodology in system development?
To develop high or effective information systems.
To accomplish information systems on time.
A basis or candidate system to recognize the need to improve an information system or a procedure.
Project Selection
Top management, the user, the analyst, or someone within the organization may feel the need to update existing applications or improve procedures.
Problem Definition
Environment based ideas from the costumers, vendors, government, sources and the likes.
Impetus for System Change
Force of Change
Impetus
___________________ comes before SDLC
problem definition
Where Sources of Ideas may come from
Organization based or environment based
Major Sources of Change based on the flowchart
User
Top Management
Organization
System Analyst
Consumer
Union
Government
Competition
Stages of SDLC
Planning
Analysis
Design
Implementation
Testing and Integration/Deployment and Maintenance/Support
Major Sources of Change based on the definition
costumers
vendors
government
sources
A system project may be dropped at any time prior to implementation
Project Termination
Becomes more difficult (and costly) when it goes past the design phase
Project Termination
