Software Processes

Type :

Presentation

Slides :

18 slides

Format :

.ppt

Published date :

09/23/2009

Category :

Science & technology

Sub category :

Computer science

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Summary :

Introduction
Generic software process models
1. The waterfall model
2. Evolutionary development
3. Formal systems development
4. Reuse-based development
Waterfall model problems
Evolutionary development
1. Exploratory development
2. Throw-away prototyping
3. Particularly suitable conditions
4. Problems
5. Applicability
Formal systems development
1. Problems
2. Applicability
Reuse-oriented development
1. Process stages
2. Process iteration
Incremental development
1. Incremental development advantages
Extreme programming
Spiral development
Spiral model sectors
Software specification
Software design and implementation
Design process activities
Design methods
Programming and debugging
Software validation
Testing stages
1. Unit testing
2. Module testing
3. Sub-system testing
4. System testing
5. Acceptance testing
Software evolution
Automated process support (CASE)
1. Computer-aided software engineering (CASE)
2. Activity automation
3. Graphical editors
4. Data dictionary
5. Graphical UI builder
6. Debuggers
7. Automated translators
Case technology
1. Creative thought
2. Team activity
CASE classification
1. Functional perspective
2. Process perspective
3. Integration perspective
CASE integration
1. Tools
2. Workbenches
3. Environments
Key points
Bibliography

Abstract

A software process model is an abstract representation of a process. It presents a description of a process from some particular perspective. Based on the transformation of a mathematical specification through different representations to an executable program and transformations are 'correctness-preserving' so it is straightforward to show that the program conforms to its specification. Critical systems especially those where a safety or security case must be made before the system is put into operation. Based on systematic reuse where systems are integrated from existing components or COTS (Commercial-off-the-shelf) systems. Modern development processes take iteration as fundamental, and try to provide ways of managing, rather than ignoring, the risk.