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interview questions

Printed From: One Stop Testing
Category: Software Testing @ OneStopTesting
Forum Name: Beginners @ OneStopTesting
Forum Discription: New to the Club...!!! Don't Worry, We are here for you...!!! Learn the very basics of Software Testing and other pertinent Informations.
URL: http://forum.onestoptesting.com/forum_posts.asp?TID=6299
Printed Date: 14Jul2025 at 8:03pm


Topic: interview questions
Posted By: anju083
Subject: interview questions
Date Posted: 18Jan2009 at 1:53am
1>.what is the defination of testing ?
2>.what is the differnce between black box and whitebox testing?
3>.what is functional testing?
4>.Write test cases on pen and tubelight?
5>.what are the testing objectives?
6>what is the difference between SDLC and STLC ?



Replies:
Posted By: webword
Date Posted: 18Jan2009 at 11:56pm
Hey, for the Q. 2

Black box testing
It is test where a tester performs testing without looking into the code. (OR it is a testing method where the application under test is viewed as a black box and the internal behavior of the program is completely ignored. Testing occurs based upon the external specifications. Also known as behavioral testing, since only the external behavior of the program is evaluated and analyzed.)

White box testing
It is a test where a tester looks into the code and performs the testing.




Posted By: krishnajihere
Date Posted: 06Feb2009 at 3:24am
1>.what is the definition of testing ?

Testing is a process of technical investigation, performed on behalf of the stakeholders, that is intended to reveal the quality-related information about the product with respect to the context in which it is intended to perform. This includes, but is not limited to the process of executing a program with the intent of finding errors. - WIKIPEDIA


2>.what is the difference between black box and whitebox testing?

BLACK BOX TESTING OR FUNCTIONAL TESTING OR FUNCTIONALITY TESTING is the type of testing where the functionalities of the system is tested. The tester Requirements Knowledge is the pre-requisite for Black Box testing.
Ex: System Testing

WHITE BOX TESTING OR STRUCTURAL TESTING is a type of testing where the internal logic of an application is checked by checking its code for statements, loops, paths, branches and conditions. Programming knowledge is essential for White Box Testing.
Ex: Unit Testing, Integration Testing


3>.what is functional testing?

Pls refer to BLACK BOX TESTING.

Functionality Testing or Requirements Testing is checking the functionality of the module/application.

4>.Write test cases on forum_posts.asp?TID=6299#">pen and tubelight?

Test Cases on Pen:

STEP NO:      DESCRIPTION                            EXPECTATION
----------------------------------------------------------------------------
1                   If pen is working or not            Yes/No
2                   Has the pen sufficient ink         Yes/No
3                   Type of Pen                               Ball Point/Ink Pen/Sketch Pen
4                   Does the pen have a cap          Yes/No
5                   Does it write on plastic surface Yes/No
6                   Colour of the Pen                      Blue/Green/Yellow..
7                   Colour of the Ink                       Blue/Green/Yellow..
8                   Cost of the pen                         Rs.1/- to Rs.1,000....
9                   Does the pen have a holder      Yes/No
                     to keep in the pocket or not
10                 Does the pen leak                     Yes/No
11                 Is the pen new                          Yes/No
12                 Name of the company                Parker/Reynolds...

Test Cases on Tubelight:

STEP NO:      DESCRIPTION                            EXPECTATION
-------------------------------------------------------------------------------
1                   Is the tube light working           Yes/No
2                   The color of the Tube Lt            White/Pale Yellow
3                   Is the Tube Lt new                    Yes/No
4                   Is the tube light connected       Yes/No
5                   Is the tube light new                 Yes/No
6                   Is the tube light fixed to wall     Yes/No
7                   Company of tube light                Phillips/Surya....
8                   Cost of the tube light                 Rs.200....


5>.what are the testing objectives?

Objectives of Testing:
---------------------------
1) To provide a bug-free product to the customer
2) To minimize the cost of defect correction by rectifying early
3) To make sure the defects are fixed


6>what is the difference between SDLC and STLC ?

STLC or Software Testing Life Cycle is a part of SDLC or Software Development Life Cycle.


Posted By: anju083
Date Posted: 08Feb2009 at 2:09am
Thanks



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