单项选择题 When designing a PC, which of the following components would help a large application load theFASTEST?（）

单项选择题 When installing a new PCIe network card, when should manufacturer software and drivers beinstalled?（）

单项选择题 On a laptop, special operations like wireless card on/off, volume settings, and screen brightness can generally be controlled via which of the following physical means?（）