Q. The method of accessing the I/O devices by repeatedly checking the status flags is

(A) program-controlled i/o
(B) memory-mapped i/o
(C) i/o mapped
(D) none of the mentioned

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✅ Correct Answer: (A) program-controlled i/o

Explanation: in this method, the processor constantly checks the status flags, and when it finds that the flag is set it performs the appropriate operation.

Published by Mr. Dubey ⭐ 111.42K Points at 14-Sep-2023 02:38 pm in Computer Architecture

Explanation by: Mr. Dubey

in this method, the processor constantly checks the status flags, and when it finds that the flag is set it performs the appropriate operation.

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Q. The method of accessing the I/O devices by repeatedly checking the status flags is

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