Software testing is one of the phases of software development lifecycle that includes testing of software which helps to run the software smoothly without any errors and bugs. Software testing helps to check whether the software under development or software under test is free from errors and bugs. Software testing further can be elaborated as the process of testing software for bugs that won’t create a problem in the future or a software won’t crash in the future during the runtime of software in live environment. Software testing also ensures that the actual developed software meets the criteria of the clients as per the specified requirements. Software testing involves different process and methods which helps to identify the mistakes in the software product. The process can be manual and automated as per the need and structure of the product.
In today’s era, most of the sectors in the world are covered by software. Most of the companies in the world use some software to run their daily business. Some of the companies are fully dependant on their software. They can’t run their normal operation if the software owned by them stops working. They may have to bear huge amount of loss for the time when their software fails to work during their business hours. So, in order to save themselves from such situation, it is necessary to release a software after testing them properly and ensuring that the software doesn’t contain any error or bugs and the software doesn’t stops working in the near future. They should ensure that the software won’t stop working in the near future. Software testing is an important part of the software development lifecycle that ensures that the software under test or under development is free of errors that won’t create a problem in future.
There are lot of examples on the loss of thousands and millions of dollars due to the software failure in different companies in the world. Not only can the monetary value but there could be a loss of life in case of the software failure in some of the industries. For example: there has been two reported accident in Nissan Cars due to the software failure in the sensory detectors in their airbag as a result of which Nissan has to recall over one million of their cars to from the market. Example of crashed China Airlines Airbus A300 occurred due to the software bug on April 26, 1994, lost lives of 264 innocent passengers makes everyone think twice before releasing the software product in the market without testing. In April 1999, there was a failure of military satellite launch due to the software bug that cost $1.2 billion. It was reported as one of the costliest accident. So, in order to prevent the loss of huge amount and to save the lives of an innocent people, a company should ensure that their software product is free of bugs and also ensure that the software product won’t create any problem in the future which may cause loss of huge amount of money or loss of lives.
Software testing is one of the major phases of software development lifecycle to be looked upon. Companies should ensure that the software product they are releasing should be free of bugs and should ensure that the software product won’t create an abnormal situation in future which can create a loss of money or loss of lives.
There are numbers of processes of testing the software available in the market. Some can be manual while some can be automated. Software testers can ensure that the software program is free of bugs and forward them for release. They will help in identifying the potential part of the error that can create a problem in future.
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