Severity vs Priority.

Severity & Priority in Software Testing :-There are Two things in bugs/defects of the software testing:-Severity :- Severity tells the seriousness of a bug on the product functionality. It is assigned by Tester based on seriousness of the bug. We have got four different levels for Severity. Tester sets the severity of bug. Severity can be categorized into following levels 1. Critical/S1 :- A defect that completely affects or hampers testing...

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What is Stubs & Drivers? Why We Use Stubs And Drivers? Describe with an example.

What is Stubs and Drivers. Why do we use them? Stubs:- Stubs are simply a dummy modules, that are always recognize as "called program" or in simple, stubs are used in integration testing (top-down approach). Stubs are generally used when sub programs are under construction. Example:- Let us take an example of an application, where we have 3 modules ie. Login, Home and user modules. Now Login module is ready and need to go under test, so...

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Some Major Computer System Failures caused by Software Bugs earlier.

In March of 2002 it was reported that software bugs in Britain's national tax system resulted in more than 100,000 erroneous tax overcharges. The problem was partly attributed to the difficulty of testing the integration of multiple systems.1· A newspaper columnist reported in July 2001 that a serious flaw was found in off-the-shelf software that had long been used in systems for tracking certain U.S. nuclear materials. The same software had been...

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What is V - Model - Advantages, Disadvantages And When to use it

V - Model :- V - Model testing means "Verification and Validation Model". Like the Waterfall model, the V shaped life cycle is a sequential path of execution of processes. Each phase should be completed before the next phase begins. Testing of the product is done parallel with a corresponding phase of SDLC. That is also called Review, Inspection or Static Testing. When to use V - Model :- Where time and cost is the constraints...

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Phases of Software Development Life Cycle (SDLC)

Let us explain each stages of Software Development Life Cycle (SDLC) :- 1. Requirement Gathering/Analysis :- In this initial phase Top level management of the development company or a Business Analyst will collect all the information from the end-user or customer. Then prepare BRS and SRS documents. BRS (Business Requirement Specification):- BRS is nothing but a document which consists of correct and complete requirements to develop...

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