Classic arcade CRTs are quite different from modern VGA monitors. Standard VGA runs at 31.5kHz horizontal sync, meaning it draws 31,500 lines per second. Arcade monitors run at 15.7kHz, roughly half that rate. So unfortunately you can’t just plug a VGA cable into an arcade monitor: the monitor’s horizontal deflection circuitry physically cannot sweep the electron beam fast enough.
Why this is not simple，推荐阅读体育直播获取更多信息
Repository: https://invent.kde.org/frameworks/qqc2-desktop-style/。体育直播对此有专业解读
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