This is the answer hope it helps :D
The Motherboard contains instructions for the OS for hardware devices, such as the keyboard, mouse, and video card, and are stored in the systemroot\Windows\System32\Drivers folder.
Learned this in middle school, your welcome ;)
The first one is d the second one is true the third one is false
Window is a vary popular operating system because of its runtime and compatible environment .
hope it help