GATE CSE 1999 | Memory Management Question 57 | Operating Systems

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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.

GATE CSE 1998

MCQ (Single Correct Answer)

-0.6

The overlay tree for a program is as shown below: GATE CSE 1998 Operating Systems - Memory Management Question 52 English

What will be the size of the partition (in physical memory) required to load (and run) this program?

$$12$$ $$KB$$

$$14$$ $$KB$$

$$10$$ $$KB$$

$$8$$ $$KB$$

GATE CSE 1998

MCQ (Single Correct Answer)

-0.6

If an instruction takes $${\rm I}$$ microseconds and a page fault takes an additional $$j$$ microseconds, the effective instruction time if on the average a page fault occurs every $$k$$ instruction is:

$$i + \left( {j/k} \right)$$

$$i + j{}^ * k$$

$$\left( {i + j} \right)/k$$

$$\left( {i + j} \right){}^ * k$$

GATE CSE 1996

MCQ (Single Correct Answer)

-0.6

A $$1000$$ Kbyte memory is managed using variable partitions but to compaction. It currently has two partitions of sizes $$200$$ Kbytes and $$260$$ Kbytes respectively. The smallest allocation request in Kbytes that could be denied is for

$$151$$

$$181$$

$$231$$

$$541$$

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