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Ask for an English composition, explaining "Why do you want to do software testing" in English, more than 300 words, and some please email me at 244 100858@qq.com.
The purpose of software testing is to ensure that the software product meets its intended objectives. For example, a software application designed to view pictures should perform tasks such as opening picture files and displaying pictures correctly. It should be able to load files from secondary storage, display complete images, and display error messages when users load non-image files. Users want to see high-quality images, and software should do this. Software testing can be done manually or automatically.

Improve quality

Computers and software are widely used in key areas, such as medical diagnosis, aircraft and air traffic control, space shuttle missions and stock market reports. The existence of defects in software applications will lead to irreparable losses. Software quality is the most important, and it is the job of software testing engineers to ensure that software meets quality standards.

Used for verification and confirmation.

The verification and confirmation of software products is the process of determining whether the system meets its predetermined goals and whether the output is correct. The planning of this testing phase begins early in the software development life cycle. Verification and confirmation can be carried out by the same organization that develops the product, but it will be more effective if it is carried out by an independent testing organization.

Used for reliability evaluation

From the user's point of view, reliability means the reliability of software products. In medical diagnosis, wrong advice to doctors will lead to loss of life. Conduct a comprehensive functional inspection of key software products.

Prove availability and operability

A very important purpose of software testing is to prove that the software is available and operable. Usability testing is to release the software to a selected group of users and observe their use of the product. All aspects of user interaction with software, such as usability and problems faced by users, are recorded and analyzed.

Prevent defect migration

Most errors are usually introduced in the software requirements collection stage. If errors are found in the early stage, they can be prevented from being transferred to the subsequent development stage. Early detection and debugging of errors can save a lot of software development costs.