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Which of the following must be used to isolate the access in the user mode?

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in Embedded Systems by (271k points)
Which of the following must be used to isolate the access in the user mode?

(a) device driver

(b) software driver

(c) on-chip memory

(d) peripherals

The question was posed to me in an interview for internship.

My enquiry is from Resource Protection-II in chapter Real Time Operating systems of Embedded Systems

1 Answer

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Best answer
Correct choice is (a) device driver

Explanation: The device driver is used to control and isolate the access when it is in user mode. This is used to ensure that no conflict is caused.

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