Aspire Faculty ID #18896 · Topic: UGC NET Computer Science Nov 2021 (Paper II) · Just now
UGC NET Computer Science Nov 2021 (Paper II)

 Arrange the following in the increasing order of complexity.

A. I/O Module
B. I/O processor
C. I/O Channel
D. DMA

Choose the correct answer from the options given below.

Solution

I/O Module is the basic level of I/O handling.

DMA is more advanced because it transfers data directly between memory and I/O device.

I/O Channel is more complex than DMA because it can control I/O operations more independently.

I/O Processor is the most complex because it is a specialized processor for I/O operations.

Increasing order:
$A,\ D,\ C,\ B$

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