The governor received relatively little scientific attention until James Clerk Maxwell published a paper that established the beginning of a theoretical basis for understanding control theory. Development of the electronic amplifier during the 1920s, which was important for long distance telephony, required a higher signal to noise ratio, which was solved by negative feedback noise cancellation. This and other telephony applications contributed to control theory. In the 1940s and 1950s, German mathematician Irmgard Flugge-Lotz developed the theory of discontinuous automatic controls, which found military applications during the Second World War to fire control systems and aircraft navigation systems.[7]
What is more important is that testing is not only about finding bugs. As the Testing Manifesto from Growing Agile summarises very illustratively and to the point, testing is about getting to understand the product and the problem(s) it tries to solve and finding areas where the product or the underlying process can be improved. It is about preventing bugs, rather than finding bugs and building the best system by iteratively questioning each and every aspect and underlying assumption, rather than breaking the system. A good tester is a highly skilled professional, constantly communicating with customers, stakeholders and developers. So talking about automated testing is abstruse to the point of being comical.
Hazen uses the term “automagic” to get people to think about what their goals are for using automation tools and technology for their specific project needs. He cautions against assuming the use of automation testing tools is a cure-all or silver bullet solution. As Hazen points out, automation testing is still dependent on the people performing the testing.
This page is NOT designed to tell you what software testing tool is “best” (disclaimer: we’re a software testing tool vendor, so we are obviously biased).  Rather, we aimed to compile the ultimate list of software testing tools lists—so you can rapidly research the available options and make your own decision on what software testing tools you want to evaluate.
Roberts notes, “Streamlining processes is my expertise, so I have a lot of experience here. Here's one high-level example: I worked on a technical risk management process that involved process streamlining and troubleshooting. Process upsets were two to three times more than plan. Staff satisfaction was poor. Annual business targets weren't met. After automating and streamlining that process, the process upsets were reduced to within 10 percent of plan. Staff satisfaction increased 20 percent. The business started meeting targets and saved over $3 million from efficiency gains. Talk about some serious results from automating!
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Allison is a freelance writer, fitness enthusiast, and long-time advocate of the ketogenic lifestyle. Once overweight, she contributes her success in losing over 75 lbs to both a low-carb, high-fat diet and moderate exercise. Residing in Tacoma, Washington, Allison enjoys getting out to explore the Pacific Northwest with her two children and taking in baseball games on lazy Sunday afternoons.
Test automation mostly using unit testing is a key feature of extreme programming and agile software development, where it is known as test-driven development (TDD) or test-first development. Unit tests can be written to define the functionality before the code is written. However, these unit tests evolve and are extended as coding progresses, issues are discovered and the code is subjected to refactoring.[5] Only when all the tests for all the demanded features pass is the code considered complete. Proponents argue that it produces software that is both more reliable and less costly than code that is tested by manual exploration.[citation needed] It is considered more reliable because the code coverage is better, and because it is run constantly during development rather than once at the end of a waterfall development cycle. The developer discovers defects immediately upon making a change, when it is least expensive to fix. Finally, code refactoring is safer when unit testing is used; transforming the code into a simpler form with less code duplication, but equivalent behavior, is much less likely to introduce new defects when the refactored code is covered by unit tests.
“Many companies are also using zonal OCR and barcode scanning to automate document filing. Zonal OCR lets the user set a predefined area from which information is automatically captured, indexed, and added to a specific database. Many companies employ Zonal OCR on their purchase orders so that scanning the document will transfer the invoice number and shipping and billing information directly to a database. Adding barcode recognition to a document automates the filing process by telling the computer where and how to file a document and its content. These capabilities help these large, established companies compete today.”

In software testing, test automation is the use of special software (separate from the software being tested) to control the execution of tests and the comparison of actual outcomes with predicted outcomes.[1] Test automation can automate some repetitive but necessary tasks in a formalized testing process already in place, or perform additional testing that would be difficult to do manually. Test automation is critical for continuous delivery and continuous testing.
Business process automation (BPA), also known as business automation or digital transformation,[1] is the technology-enabled automation of complex[2] business processes. It can streamline a business for simplicity, achieve digital transformation, increase service quality, improve service delivery or contain costs. It consists of integrating applications, restructuring labor resources and using software applications throughout the organization. Robotic process automation is an emerging field within BPA and uses artificial intelligence.