The difference between manual and automated PCBA testing methods

After PCBA processing is completed, PCBA testing is required. Generally, there are two methods: manual testing and automated testing. So what is the difference between these two methods?

Manual testing and automated testing are not actually the opposite, and not all functions need to be automated. Automated testing has been developed for so many years, but it has not replaced manual testing. Automated testing is not efficient, but it can complete the functional regression of some scenarios.

1. Characteristics of manual testing

Manual testing can verify whether the current steps are correct through human logical judgment. At the same time, the execution of the use case has a certain step jump, which can clearly understand the logic and locate the problem in detail.

If it takes a little longer to modify the bug, it will become extremely difficult to apply manual testing to regression testing. This is because there are too many use cases that need to be tested, so automated testing needs to be introduced.

2. Characteristics of automated testing

The object of execution is the script, which can verify whether the current steps are correctly implemented through human logical judgment. The use case steps are highly correlated, unlike manual test cases that jump. Automated testing is also used to ensure the correctness and completeness of the main functions of the product, freeing testers from heavy work.

Automated testing can be performed at night. Testing is portable and repeatable. Good test scripts often have good platform portability, which can bring software to market faster. Automatic testing saves a lot of time.

Summary: Manual testing and automated testing each have their own advantages and disadvantages. The initial investment cycle of automated testing is long, the cost is high, and the personnel must undergo rigorous training.

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