Software Testing Essay

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7. SYSTEM TESTING 7.1 INTRODUCTION The testing purpose is to discover errors. Software testing is difficult to deal with an element of software quality assurance and representation and the ultimate review of specification, design and coding. Testing is the process of trying to discover every unit which is cause for delaying work fault or weakness in a work product. It provides a way to check the functionality of components, sub assemblies, assemblies and/or a finished product it is the process of exercising software with the intent of ensuring that the Software system meets its requirements and user expectations and does not fail in an unacceptable manner. There are various types of test. Each test type addresses a specific …show more content…

According to Edward Tenner, writing in The Washington Post, the first black box was a gun sight carried on World War II Flying Fortresses, with hidden components that corrected for environmental variables, such as wind speed. The crew probably didn 't know how the device worked, but they knew it might be crucial to their survival. Nowadays, there are two types of black box carried on aircraft, which may be combined into a single device: a flight data recorder (FDR), which logs information such as speed and altitude, and a cockpit voice recorder (CVR), which logs all voice communication in the cockpit. These black boxes also carry beacons to help find the aircraft in a rescue …show more content…

The tester determines valid and invalid inputs. The testing process done for our project is unit testing, module testing and the integration testing. The unit testing is the testing done for the individual components that they operate correctly or not. In this testing the input given are the details required for the individual methods that are in turn stored in to database which are retrieved further depending on the methods called. After unit testing we have to perform module testing i.e., testing done to the collection of depending components. After these two testing we have performed the integration testing for the overall

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