NT Kernel & System - It's related to Windows NT and above
OS. NT is the generic name for any Windows OS starting from Windows
NT. Basically, it's the kernel of Windows.
Generic Host Process for Win32 Services - As its name suggests,
it's just a generic process. The process name is
svchost.exe. It's used by lots of programs and is
needed for Windows stability. Your Internet, you logging in to your
PC, scheduled tasks, etc are all handled by this process. Win32
just mean 32-bit applications. Services are the services that start
on startup. To see a list of services, go to Start > Run and
type in services.msc.
NDIS User Mode I/O Driver - Windows Networking Driver. Without it,
you can't access the Net.