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what is different between kenerl mode and user mode?
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User mode:
*)Code run in special mode of hardware called user mode.
*)Program run in user mode cannot access the memory of
other applications.
*)CPU instructions such as CPU halt cannot be executed.
*)Code is restricted to non-harmful operations.
Kernelmode:
*)Code run in special mode of hardware called Kernel mode.
*)Code run in kernel mode can access any memory.
*)It can perform any valid CPU instructions and hardware IO
operations.
*)Unrestricted access to hardware.
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