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Manual-Testing - What are the different stages in sdlc?

asked mar August 26, 2014 10:45 PM  

What are the different stages in sdlc?


1 Answers

answered By kpreeti2011   0  

Requirements analysis resulting in a software requirements specification
Stage 1: Planning and Requirement Analysis
Stage 2: Defining Requirements
Stage 3: Designing the product architecture
Stage 4: Building or Developing the Product
Stage 5: Testing the Product
Stage 6: Deployment in the Market and Maintenance
The sequential phases in Waterfall model are:
1.)Requirement Gathering and analysis: All possible requirements of the system to be developed are captured in this phase and documented in a requirement specification doc.
2.)System Design: The requirement specifications from first phase are studied in this phase and system design is prepared. System Design helps in specifying hardware and system requirements and also helps in defining overall system architecture.
3.)Implementation: With inputs from system design, the system is first developed in small programs called units, which are integrated in the next phase. Each unit is developed and tested for its functionality which is referred to as Unit Testing.
4.)Integration and Testing: All the units developed in the implementation phase are integrated into a system after testing of each unit. Post integration the entire system is tested for any faults and failures.
5.)Deployment of system: Once the functional and non functional testing is done, the product is deployed in the customer environment or released into the market.
6.)Maintenance: There are some issues which come up in the client environment. To fix those issues patches are released. Also to enhance the product some better versions are released. Maintenance is done to deliver these changes in the customer environment.
All these phases are cascaded to each other in which progress is seen as flowing steadily downwards (like a waterfall) through the phases. The next phase is started only after the defined set of goals are achieved for previous phase and it is signed off, so the name "Waterfall Model".
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