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Operating Systems Quiz

23 Questions  I  By Sbreland18
Operating System Quizzes & Trivia
The multiple choice questions off the final.

  
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Question Excerpt

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1.  _____ is the dynamic storage-allocation algorithm which results in the largest leftover hole in memory.
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D.
2.  Consider a logical address with a page size of 8 KB. How many bits must be used to represent the page offset in the logical address?
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B.
C.
D.
3.  Consider a logical address with 18 bits used to represent an entry in a conventional page table. How many entries are in the conventional page table?
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B.
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D.
4.  Given the logical address 0xAEF9 (in hexadecimal) with a page size of 256 bytes, what is the page number?
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D.
5.  Consider a 32-bit address for a two-level paging system with an 8 KB page size. The outer page table has 1024 entries. How many bits are used to represent the second-level page table?
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D.
6.  In systems that support virtual memory, ____.
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D.
7.  Suppose we have the following page accesses: 1 2 3 4 2 3 4 1 2 1 1 3 1 4 and that there are three frames within our system. Using the FIFO replacement algorithm, what is the number of page faults for the given reference string?
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B.
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D.
8.  Suppose we have the following page accesses: 1 2 3 4 2 3 4 1 2 1 1 3 1 4 and that there are three frames within our system. Using the FIFO replacement algorithm, what will be the final configuration of the three frames following the execution of the given reference string?
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D.
9.  The path name /home/people/os-student/chap10.txt is an example of
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D.
10.  A mount point is _____.
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11.  The surface of a magnetic disk platter is divided into ____.
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12.  The SSTF scheduling algorithm ____.
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13.  Consider a disk queue holding requests to the following cylinders in the listed order: 116, 22, 3, 11, 75, 185, 100, 87. Using the SCAN scheduling algorithm, what is the order that the requests are serviced, assuming the disk head is at cylinder 88 and moving upward through the cylinders?
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B.
C.
D.
14.  Consider a disk queue holding requests to the following cylinders in the listed order: 116, 22, 3, 11, 75, 185, 100, 87. Using the FCFS scheduling algorithm, what is the order that the requests are serviced, assuming the disk head is at cylinder 88 and moving upward through the cylinders?
A.
B.
C.
D.
15.  Consider a disk queue holding requests to the following cylinders in the listed order: 116, 22, 3, 11, 75, 185, 100, 87. Using the SSTF scheduling algorithm, what is the order that the requests are serviced, assuming the disk head is at cylinder 88 and moving upward through the cylinders?
A.
B.
C.
D.
16.  Consider a disk queue holding requests to the following cylinders in the listed order: 116, 22, 3, 11, 75, 185, 100, 87. Using the C-SCAN scheduling algorithm, what is the order that the requests are serviced, assuming the disk head is at cylinder 88 and moving upward through the cylinders?
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B.
C.
D.
17.  Low-level formatting ____.
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18.  Host-attached storage is ____.
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19.  Which of the following disk head scheduling algorithms does not take into account the current position of the disk head?
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D.
20.  What are the two components of positioning time?
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21.  A RAID structure ____.
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22.  RAID level ____ is the most common parity RAID system.
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23.  Which RAID level is best for storing large volumes of data?
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