Question

Operating System:

what is the difference between Synchronous & Asynchronous I/O.

Answer 1

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what is the difference between Synchronous & Asynchronous I/O.

1.

Synchronous I/O implies that some progression of execution, (for example, a cycle or string) is trusting that the activity will finish.

Asynchronous I/O implies that nothing is trusting that the activity will finish and the fruition of the activity itself makes something occur.

2.

Synchronous I/O - some execution vehicle (like a cycle or string) that starts the I/O likewise sits tight for the I/O to finish (and maybe finishes it). At the point when the I/O finishes, that equivalent execution vehicle proceeds to accomplish something different, maybe utilizing the consequences of the I/O.

Asynchronous I/O - no execution vehicle sits tight for the I/O to finish. At the point when the I/O finishes, whatever execution vehicle ends up finishing the I/O may organize later things to occur.