Labels:text | screenshot | rectangle | parallel | square OCR: NTVDM Process's NTVDM Process's Address Space NTVDM Process's Win32Process's Address Space Address Space Address Space NTVDM.EXE NTVDM EXE NTVDM.EXE Wins X App W3.x Win3.x MS DOS App 1 MS-DOS Win32 App App 2 App WOW32.DLL KERNEL32.DLL KRNL386 EXE KERNEL32.DLL. USER32 DEL USER EXE USER32.DLLS GDI32.DLL GDEEXE GDI32.DLL 32 Bits 16 Bits .. Win32 Subsystem User Mode Kernel Mode Windows NT Simulates non preemptive multitasking via a single synchronized input + Preemptive multitasking between threads Figure 2 Structure of WOW on Windows NT 3.1
