Operating system mcqs application io interface

 

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Operating system mcqs memory management segmentation

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Question 1
When the entries in the segment tables of two different processes point to the same physical location .....
A
the segments are invalid
B
the processes get blocked
C
segments are shared
D
all of the mentioned
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Question 2
If there are 32 segments, each of size 1Kb, then the logical address should have .....
A
13 bits
B
14 bits
C
15 bits
D
16 bits
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Question 2 Explanation: 
To specify a particular segment, 5 bits are required. To select a particular byte after selecting a page, 10 more bits are required. Hence 15 bits are required.
Question 3
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
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Question 4
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
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Question 5
The offset 'd' of the logical address must be .....
A
greater than segment limit
B
between 0 and segment limit
C
between 0 and the segment number
D
greater than the segment number
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There are 5 questions to complete.

 

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