Operating System (3140702) MCQs

MCQs of Memory Management

Showing 31 to 40 out of 85 Questions
31.
Paging increases the ______ time.
(a) waiting
(b) execution
(c) context – switch
(d) All of the mentioned
Answer:

Option (c)

32.
For every process there is a __________
(a) page table
(b) copy of page table
(c) pointer to page table
(d) All of the mentioned
Answer:

Option (a)

33.
If a page number is not found in the TLB, then it is known as a ____________
(a) TLB miss
(b) Buffer miss
(c) TLB hit
(d) All of the mentioned
Answer:

Option (a)

34.
Each entry in a translation lookaside buffer (TLB) consists of ____________
(a) key
(b) value
(c) bit value
(d) constant
Answer:

Option (a)

35.
The percentage of times a page number is found in the TLB is known as ____________
(a) miss ratio
(b) hit ratio
(c) miss percent
(d) None of the mentioned
Answer:

Option (b)

36.
When there is a large logical address space, the best way of paging would be ____________
(a) not to page
(b) a two level paging algorithm
(c) the page table itself
(d) All of the mentioned
Answer:

Option (b)

37.
In segmentation, each address is specified by ____________
(a) a segment number & offset
(b) an offset & value
(c) a value & segment number
(d) a key & value
Answer:

Option (a)

38.
In paging the user provides only ________ which is partitioned by the hardware into ________ and ______
(a) one address, page number, offset
(b) one offset, page number, address
(c) page number, offset, address
(d) None of the mentioned
Answer:

Option (a)

39.
The segment base contains the ____________
(a) starting logical address of the process
(b) starting physical address of the segment in memory
(c) segment length
(d) None of the mentioned
Answer:

Option (b)

40.
The segment limit contains the ____________
(a) starting logical address of the process
(b) starting physical address of the segment in memory
(c) segment length
(d) None of the mentioned
Answer:

Option (c)

Showing 31 to 40 out of 85 Questions