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Black box testing - first lets understand the term - u can not see inside a black box. so u just know that what goes in and what comes out. for eg. at airport you checkin your bag and at next airport u get your bag. what happens in between you dont know.
So in blackbox testing we do functional testing. Some techniques are boundary value analysis, class, etc. You do not need to know how the code works and you don't see it. You just need to know what it should do and then check does it do it by entering in data and seeing what happens. As a very simple example, it may be a program to do calculations. You enter some numbers and check if the program gives you the correct results. You don't need to know exactly how it does the calculation, just that it works. You don't need to know anything about programming to do black box testing.
White box: or glass box testing - You know what is everything inside and processed. This requires knowledge of the code of the program and knowledge of the language being used. You can check what each line does and how it does it. So for our calculations, you would see how those calculations are actually done. You can then fix any problems you find. People who don't know anything about programming cannot do white box testing.
Sometimes if an error is found in black box testing, it is necessary to look directly at the code to see what is going wrong, and you are then performing white box testing.
What else can I help you with?
Is a white lamb better than a black lamb?
White lambs give you white wool, while, black sheep produce black wool. So just depends whether or not you like white better than black; or black better than white. Other than that there is no other differences between the two sheep.
What is better Pokemon HeartGold or Pokemon Black?
Pokemon black by far. but if you have a choice between Pokemon black or Pokemon white get white. you can get more Pokemon in white than black , plus there is white forest and you can get rare Pokemon there i think
What are the types of test techniques?
Types of testing is broadly classified as Black box testing and white box testing
Is it true that black people are better jumpers than white people?
In objective scientific testing, yes, a black person could be better than a white person and a white person could be better than a black person it just depends on how good you are at something. Yes because black people are more athletic they have extra bones in their feet! They dominate sports and so many other things too!
Software testing related interview questions?
Here are 15 software testing interview questions: What is software testing? What is the difference between functional and non-functional testing? What is the difference between manual and automated testing? What are the different types of testing? What is a test case? What is regression testing? What is the difference between black-box and white-box testing? What is the V-Model of software testing? What is exploratory testing? What is smoke testing? What is the difference between severity and priority of a bug? What is the purpose of test automation? What is the defect life cycle? What is the difference between Load Testing, Stress Testing, and Performance Testing? What is the role of a Test Manager in a testing team?
White box testinglogic testing?
When you want to test a program, there is two types: white box testing and black box testing. Black box testing means you don't need to know about program implements or how it functions. Just program's requirements. White box testing, you must to check every ways your program should go to eliminate bugs.
What contrast ratio is better for gaming 7001 or 20001?
Contrast ratio is the difference between white and black on a given display. The higher the number means there is a larger difference between white and black and will typically look better. See here for a better explanation: http://en.wikipedia.org/wiki/Contrast_ratio
Is there a benefit to a scanner that has a black instead of white background?
There is no real difference between a white background or a white background. I would think the black background will show a image that is mostly white will show a lot better then the white background.
What is difference between testing methods testing types testing levels testing techniques?
Hi All, I think the answer for this question is, Testing method :Verification(review) and Validation Testing types : Basically static and dynamic-> in dynamic testing further can be classified into structural(white box) and functional(black box) testing Testing Technique : in white box testing we have 1) loop coverage 2)statement coverage 3) condition coverage 4) decision coverage in black box testing we have 1) Equilance partioning, 2)boundary value analysis 3) error guessing Testing Levels : Unit testing, integration testing systemtesting , Acceptance testing
Which method is better either white box or black box testing explain?
You always need both. What white box testing does is show you what oddball things need to be tested for - like the routine that takes 25% of round-off error, and adds it to my account (If I take it ALL, someone will notice). Black box testing should check the full functionality of the routine and the way it handles erroneous input.
What iPod 4g colour is better white or black?
white is better but it is you opinion
What is the major difference between regression testing and retesting?
regression testing is a white box testng
