Match the following w.r.t. Input/Output management

(A) (1)
(B) (2)
(C) (3)
(D) (4)


Answer: (A)

Explanation:

1. Device controller performs data transfer.
2. Device driver process I/O request.
3. Inturrupt handler Extracts information from the controller register and store it in data buffer
4. Kernel I/O subsystem performs I/O scheduling./li>
   So, option (A) is correct.
   
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