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Question

Which of the following is true?

a.

Device interface module is a software simulation of, or interface to, a real hardware device or system

b.

A virtual device is a way to design a program with complex interfaces to device or other systems

c.

The program units in the device interface module hides all details of interaction with hardware devices

d.

None of the mentioned

Posted under Unified Modelling Language Software Architecture and Design

Answer: (c).The program units in the device interface module hides all details of interaction with hardware devices

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