Q. Whenever a process needs I/O to or from a disk it issues a

(A) system call to the cpu
(B) system call to the operating system
(C) a special procedure
(D) all of the mentioned

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✅ Correct Answer: (B) system call to the operating system

Published by Mr. Dubey ⭐ 111.42K Points at 17-Sep-2023 09:31 am in Operating System (OS)

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