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Question

Computer Organization and Architecture Question on Input-Output Processor

Which of the following is not a role of Input/output controller?

A

Isolate the CPU and memory from details of I/O device operation

B

Converts data formats

C

Facilitates expansion in capabilities in I/O devices but impacts CPU design

D

Manages the speed mismatch between I/O devices

Answer

Facilitates expansion in capabilities in I/O devices but impacts CPU design

Explanation

Solution

The correct option is(C): Facilitates expansion in capabilities in I/O devices but impacts CPU design