PLEASE DONT COPY PASTE OTHER EXPERT'S ANSWER. I WILL SURELY DOWNVOTE YOU :) PLS ANSWER THE QUESTION IN DETAIL, I WILL UPVOTE YOU The diagram below shows an overall windows NT architecture. Provide a description to the different components which I have circled - explain what they are and what they do, and how they are interrelated to each other. System Processes Services Applications Environment Subsystems Windows Service control mgr. LSASS Winlogon Svchost.exe WinMgt.exe Spoolsv.exe Task Manager Explorer OS/2 Services.exe Session manager User application Subsystem DLLS POSIX Windows DLLS NTDLL.DLL User mode Kernel mode System threads System Service Dispatcher (Kernel mode callable interfaces) VO Mgr Windows USER GDI Device & File Sys. Drivers Graphics drivers Kernel Hardware Abstraction Layer (HAL) Hardware interfaces (buses, VO devices, interrupts, interval timers, DMA, memory cache control, etc.) 1