Summary Software Development Lyfe Cycle Notes 2

 SDLC
o Development
 Testers will start to analyse the system and prepare test cases
 Factors
 Style
 Efficiency
o Iterations
 Annotation
o Comments
o Testing
 Test each component as its written
 Testing the finished product
 Inform development
 Errors
o Coding errors
o Runtime errors
 Caused by
o Grammatically incorrect statements
o Missing variables
 Examples
o Unbalanced brackets
o Calling variables that haven been declared
o Deployment
 Direct
 New systems or where the old system was faulty
 Pilot
 Organisations with many similar branches
 Phased
 Large projects with many modules
 Parallel
 Critical systems where safety is an issue
o Maintenance
 Adaptive
 Up to date
 Perfective
 Remove as many bugs as possible
 Corrective
 Problems are fixed as they arise
 Preventive
 Prevent minor issues in the future