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[Answer] What Virtual Serial Port Software Is Available?
Zhihu Q&AMarch 22, 2026

[Answer] What Virtual Serial Port Software Is Available?

Virtual serial port software is used to simulate serial connections, allowing applications to interact without physical serial ports or enabling multiple applications to communicate with the same seri

2 min
[Answer] A Cute Question: Why Is an Air Circuit Breaker Called an “Air” Switch?
Zhihu Q&AMarch 22, 2026

[Answer] A Cute Question: Why Is an Air Circuit Breaker Called an “Air” Switch?

An air circuit breaker is called that because it uses air as the arc-extinguishing medium. In low-voltage systems, the arc can be quenched in air, while higher voltages require vacuum or SF6 circuit b

1 min
[Answer] Is Apple’s Official Replacement Device Worth Buying?
Zhihu Q&AMarch 22, 2026

[Answer] Is Apple’s Official Replacement Device Worth Buying?

Yes, it’s worth buying. Apple’s official refurbished devices come with solid quality assurance, though they’re only a little cheaper than brand-new ones. If you find one you like, you can go for it wi

1 min
[Answer] How Broad Will the Impact Be After UK-Based ARM Announces It Will Stop Doing Business with Huawei?
Zhihu Q&AMarch 22, 2026

[Answer] How Broad Will the Impact Be After UK-Based ARM Announces It Will Stop Doing Business with Huawei?

At this point, additional ARM-related restrictions are unlikely to make the situation much worse. Huawei’s predicament is a direct and profound reflection of China’s broader challenges. If it can endu

1 min
[Answer] How strong is Soochow University’s Experimental Class in Artificial Intelligence? What are its prospects?
Zhihu Q&AMarch 22, 2026

[Answer] How strong is Soochow University’s Experimental Class in Artificial Intelligence? What are its prospects?

You should remain quite cautious about joining an experimental class, because any experiment may succeed or fail. If you end up becoming “cannon fodder,” the cost may outweigh the benefits. It’s best

1 min
[Answer] What Is It Like to Have a Good-Looking Child of Your Own?
Zhihu Q&AMarch 22, 2026

[Answer] What Is It Like to Have a Good-Looking Child of Your Own?

Basically, almost all parents think their own child is good-looking. More than anything, that’s a bias shaped by the purest kind of love and a deep sense of familiarity.

1 min
[Answer] Is Self-Media Really a Booming Trend?
Zhihu Q&AMarch 22, 2026

[Answer] Is Self-Media Really a Booming Trend?

It is hard to say whether self-media entrepreneurship has truly become a major trend, or whether it only started gaining momentum in 2018. However, compared with traditional media, personalized self-m

1 min
[Answer] Is the Principles of Automatic Control course important for electrical engineering students?
Zhihu Q&AMarch 22, 2026

[Answer] Is the Principles of Automatic Control course important for electrical engineering students?

If you plan to do research, it is very important. Even if you do not, your theoretical foundation, in a sense, determines the upper limit of your technical ability. So, if possible, learning a bit mor

1 min
[Answer] Important Works in the Field of Automation?
Zhihu Q&AMarch 22, 2026

[Answer] Important Works in the Field of Automation?

Norbert Wiener's Cybernetics: Or Control and Communication in the Animal and the Machine is probably the most classic work in the field. I haven't actually read it myself, but when I studied automatio

1 min
[Answer] How Is Switching from Automation to Computer Science for Graduate Entrance Exams?
Zhihu Q&AMarch 22, 2026

[Answer] How Is Switching from Automation to Computer Science for Graduate Entrance Exams?

In my personal view, moving from Automation to Computer Science is not an especially drastic cross-disciplinary switch. Although the two majors differ in their broader focus, they still share many fou

1 min
[Answer] How Do Automated Devices Prevent Computers from Crashing?
Zhihu Q&AMarch 22, 2026

[Answer] How Do Automated Devices Prevent Computers from Crashing?

This issue can be considered from three angles: the operating system, hardware architecture, and testing. Linux-based systems are generally more stable than Windows, high-reliability controllers often

1 min
[Answer] If Automated Testing Is Costly and Delivers Poor Results, What Is the Point of It?
Zhihu Q&AMarch 22, 2026

[Answer] If Automated Testing Is Costly and Delivers Poor Results, What Is the Point of It?

With the development of automation technology, automated inspection is better at handling repetitive work than manual inspection and also reduces human error to a considerable extent. In the long run,

1 min
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