GATE CSE 1999 | GATE CSE Year Wise Previous Years Questions

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GATE CSE 1999

MCQ (Single Correct Answer)

-0.3

System calls are usually invoked by using:

A software interrupt

Polling

An indirect jump

A privileged instruction

GATE CSE 1999

MCQ (More than One Correct Answer)

-0.6

A multi-user, multi-processing operating system cannot be implemented on hardware that does not support:

Address translation

DMA for disk transfer

At least two modes of CPU execution (privileged and non-privileged)

Demand paging

GATE CSE 1999

MCQ (Single Correct Answer)

-0.6

Which of the following actions is/are typically not performed by the operating system when switching context from process $$A$$ to process $$B$$ ?

Saving current register values and restoring saved register values for process

Changing address translation tables.

Swapping out the memory image of process A to the disk.

Invalidating the translation look-aside buffer.

GATE CSE 1999

MCQ (More than One Correct Answer)

-0.6

Which of the following is/are advantage of virtual memory?

Faster access to memory on an average.

Processes can be given protected address spaces.

Linker can assign addresses independent of where the program will be loaded in physical memory.

Programs larger than the physical memory size can be run.

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