Operating Systems with Unix-Memory Management (NTA-NET (Based on NTA-UGC) Computer Science (Paper-II)): Questions 1 - 4 of 39

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Question number: 1

» Operating Systems with Unix » Memory Management » Paging, Segmentation,Page Fault

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Appeared in Year: 2015

MCQ▾

Question

A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries:

Table showing the memory page table contains

The memory page table contains the following entries

PAGE

BLOCK

0

3

2

1

5

2

7

0

Which of the following list of virtual addresses (in decimal) will not cause any page fault if referenced by the CPU? (December)

Choices

Choice (4) Response

a.

2021,4050,5112,7100

b.

1020,3012,6120,8100

c.

1024,3072,4096,6144

d.

1234,4012,5000,6200

Question number: 2

» Operating Systems with Unix » Memory Management » Virtual Memory

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Appeared in Year: 2015

MCQ▾

Question

Function of memory management unit is: (December)

Choices

Choice (4) Response

a.

Cache management

b.

Address translation

c.

Memory allocation

d.

All of the above

Question number: 3

» Operating Systems with Unix » Memory Management » Paging, Segmentation,Page Fault

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Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the following with respect to various memory management algorithms: (December)

List-Ⅰ List-Ⅱ

(A)

Dynamic partitions

(i)

Degree of multiprogramming

(B)

Fixed partitions

(ii)

Working set

(C)

Segmentation

(iii)

Supports user view of memory

(D)

Demand paging

(iv)

Compaction

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (iv)
  • (iii)
  • (ii)
  • (i)

c.

  • (iv)
  • (i)
  • (iii)
  • (ii)

d.

  • (i)
  • (iv)
  • (iii)
  • (ii)

Question number: 4

» Operating Systems with Unix » Memory Management » Paging, Segmentation,Page Fault

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Appeared in Year: 2016

MCQ▾

Question

Consider the reference string

0 1 2 3 0 1 4 0 1 2 3 4

If FIFO page replacement algorithm is used, then the number of page faults with three page frames and four page frames are ………. and ………. . respectively.

Choices

Choice (4) Response

a.

9,10

b.

10,9

c.

10,10

d.

9,9

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