![Mcqmate logo](https://mcqmate.com/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/images/logos/logo-white.png)
McqMate
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 |
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. |
View all MCQs in
Computer ArchitectureNo comments yet