Answer Posted / mohan krishnareddy
Kernel Mode:
Kernel Mode is a technology that enables the execution of ordinary user-space programs inside kernel space. This article presents the background, an approach and an implementation of kernel mode.
User Mode:
User mode, the executing code has no ability to directly access hardware or reference memory. Code running in user mode must delegate to system APIs to access hardware or memory. Due to the protection afforded by this sort of isolation, crashes in user mode are always recoverable. Most of the code running on your computer will execute in user mode.
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