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13 September, 01:34

Which of the four control methods is best suited for rapid response to an input or output event?

1-Programmed I/O

2 - Direct Memory Access

3 - Interrupt-driven I/O

4 - Channel I/O

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  1. 13 September, 02:03
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    1-Programmed I/O

    Explanation:

    The most appropriate way of doing it by using programmed I / O. This is because, the handler application as absolute control of sending data, and is synchronous in nature. All other I/O methods are asynchronous and the controlling / handler application has no idea about when the data transfer is going to complete.
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