What is SDLC (Software Development Life Cycle ) in Manual testing

Software Development Life Cycle (SDLC)  In Manual Testing

What is Sofware Development Life Cycle (SDLC):  It is a step-by-step procedure to develop software.

* 6 Type of model  Software Development Life Cycle (SDLC)

1. Waterfall Model  
2. Spiral Model 
3. V Model 
4. Prototype Model  
5. Hybrid Model  
6. Agile Methodology  

Waterfall Model 

Waterfall Model 

  

Requirement Collection:  In this Stage, the business analyst  of a company  goes all  the customer's places and gathers all the requirements, and makes a right document called customer requirement Specification CRS (business language)

• It is easily only understandable by the business analyst.
• The Business analyst is also called (a subject matter expert). converts CRS to software requirement specification (software language ) CRS 
• It is a standard document which is easily understandable by all the employees of a company.
•  The Business analyst back the SRS to the company.

Feasibility  analysis:

• The first person who relies SRS is a software architect.
• He checks for B parameters 

1. Technical Feasibility: Here the architect checks whether the software can be developed in reality or not.
2. Resource Feasibility: Here the architect decides how many employees (developers & Test Engineers) leads are required for the project.
3. Financial Feasibility: Here the architect gives a rough estimation of the cost.

•  Later the SRS is now reviewed by 

Senior Developer 

• He decides the platform that is which language is most suitable to develop software.
• He also decides the hardware components. ( Specification) 
• The SRS is now Reviewed by the HR and finance departments.
• The HR department will require the required employees for the project and relief those employees who are not related to the domain.
• The finance department set aside the profit and approved a budget to develop software. 
• The SRS by now reviewed by the project manager to the checks for the previous Parameters.
• And once satisfied, he takes the project to the next level. 

 Design 

• It consists of two types

1. High-level design (HLD)
2. Low-level design(LLD)

High-level design 

• It is developed by the software architect by referring to the SRS.
• It is a basic outer framework of software.

Low-level design

• It is developed by the senior developer by referring to the HLD as well as SRS.
• It is details begin of the software.

Coding

• Here the developers start writing the source code and develop software.
• Once coding is done the software completely ready.

Testing 

• Testing is done by  the developers only  
• This is the stage where the software gets purified and the defects are fixed.

Installation 

• In this stage installation of software is done by field engineer or (release engineer) is also an installation engineer.
• They are hired by the customers.
• The company employees trained them hous to install the software.
• The field engineer goes to each and every brand and installs the software.

Maintenance 

• If is there any defect in the software even after the installation the developers have to fix those defects.
• For any features that have to be added to the software, the updates must be provided by the company.
• If the customer has aby issues related to software the technical support is to be provided by the company.

Next Page: Advantages, disadvantages, and Application of waterfall  model  in manual testing 

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