Preliminary
investigation
System
Analysis
System
Design
system
Coding
System
Testing
System
Implementati
on
System
Maintenance
SDLC
Logical and Physical model of new
system
state how the new system will Meets
requirements from analysis phase
Detailed report
at end of design
phase
Submitted for
approval
Importance
of Testing
Phase
• Detect and remove errors
• Tested by giving sample data
Two stages:
1. Unit Testing
• Also known as module testing
• Tests individual
units/modules with sample data
2. System Testing
• Combines all modules/units
• Tests complete system
Importance
of User
Training
Essential for
successful
operation
Proper
training
needed to
use new
system
Manuals and
reference
information
Computer-
based
training
(CBT)
popular

System_Design coding testing implemention and maintaince.pptx