When a process executes a system call, the execution mode of the process changes from ………..

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📊 Operating System Architecture

Q. When a process executes a system call, the execution mode of the process changes from ………..

(A) kernel mode to user mode
(B) user mode to kernel mode
(C) user mode to operating system mode
(D) none of these

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✅ Correct Answer: (B) user mode to kernel mode

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