- The software development life cycle constitutes the following processes:

(a) Analysis

(b) Design

(c) Implementation

(d) Testing and

(e) Evaluation

- The systems development life cycle is one of the major concepts in the field of information systems, software and systems engineering, that one needs to understand really well.

- It can be thought of as a process following which the creation or alteration of the information systems, methodologies and other methods takes place.

- It is a cycle that is followed to keep the development of a software system or application on track.

- On the other hand, software testing life cycle is an integral part of the software development life cycle and takes care of the software testing activities.

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Software Development Life Cycle involves the complete Verification and Validation of a Process or a Project.

Whereas Software Testing Life Cycle involves only Validation.

Software Development Life Cycle involves business requirement specifications,Analysis,Design,Software requirement specifications,Development Process(Coding and Application development),Testing Process(Preparation of Test Plan,Preparation of Test cases,Testing,Bug reporting,Test Logs & Test Reports),Implementation and Maintainence .

Whereas Software Testing Life Cycle involves Preparation of Test Plan,Preparation of Test cases,Testing,Bug reporting,Test Logs & Test Reports.

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Bug:-It is found in the development environment before the product is shipped to the respective customer. 

Errror:-It is the Deviation from actual and the expected value.

defect:-It is found in the product itself after it is shipped to the respective customer.

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Automation testing means used to  testing tools in

testing., just link 96 testing tools available in market.

but mostly used selenium ,Qtp,markurt,feddler, data

link,load runner and etc. But diffrent diffrent testing

tools work also diffrent.

 MNC company refer to QTP and selenium, marcury etc.

QTP used as a functional testing and GUI,usability testing.

 "Front-end testing means black box testing, and Back-end

testing means related to functional and database(whitebox).

Every module depend thier database. If you used to QTP

tools  ,so basic knowledge of mysql.

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Compatibility testing particularly in web applications

1.what all browsers are compatible.

2.what all versions are compatible.

3.GUI plays vital important.

4.Performance also.

        Compatibility testing is nothing but

checking the compatibility between browsers, operating

systems.

        Checking the application on different platforms (Operating

System) with different browsers,the main aim of

compatibility testing is to test weather application can

run successfully on different OS.

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System testing is nothing but checking both the functional 

and non-functional testings are working fine, before

deploying the build into the production environment.

This is done by Testers. During this testing process 

testers will verify the correctness of the system by using

following system techniques.

1.GUI or Usability testing

2.Functionality testing

3. Performance testing

4. Security or penetration testing

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It is a process where all the units of a system are 

integrated consequtively and integrated in step by step

process by incrementing the levels of testing at one end to

other end.

       Incremental Integration testing is the testing of the 

application by adding new functionalities to an application.

It is a continous testing activity in which the application

is tested by adding new functionalities. These type of

testing is performed by programmer, software engineer, test

engineers.

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