Operating System-Memory Management and Virtual Memory (GATE (Graduate Aptitude Test in Engineering) Computer Science): Questions 23 - 27 of 28

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Question number: 23

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

Demand paged memory allocation

Choices

Choice (4) Response

a.

allows deadlock tube detected in paging schemes

b.

allows the virtual address space to be independent of the physical memory

c.

is present only in Windows NT

d.

allows the virtual address space to be a multiple of the physical memory size

Question number: 24

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

Locality of reference implies that the page reference being made by a process

Choices

Choice (4) Response

a.

Will always to the page used in the previous page reference

b.

Will always to the page used in the previous page memory

c.

is likely to be to one of the pages used in the last few page reference

d.

Question does not provide sufficient data or is vague

Question number: 25

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

A program is located in the smallest available hole in the memory is

Choices

Choice (4) Response

a.

worst-fit

b.

best fit

c.

first-bit

d.

None of the above

Question number: 26

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

How can the user determine what programs are available on a computer?

Choices

Choice (4) Response

a.

Viewing the installed programs during the booting process

b.

Checking the operating system for a list of installed programs

c.

Checking the hard disk properties

d.

All of the above

Question number: 27

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

Which are the factor of cache memory:

Choices

Choice (4) Response

a.

Size organization of the cache

b.

Architecture of the microprocessor?

c.

Properties of the programs being executed

d.

All a. , b. and c. are correct

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