What has triggered the need for multitasking in PCs?

4 years ago
Operating System

Increased speed and memory capacity of microprocessors together with the support fir virtual memory and
Growth of client server computing

0
Surya Bikram Bhandari
Surya Bikram Bhandari
Nov 1, 2021
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2. Explain briefly about, processor, assembler, compiler, loader, linker and the functions executed by them.

3. What is the main component of operating system

4. Describe different job scheduling in operating systems.

5. What is the cause of thrashing? How does the system detect thrashing? Once it detects thrashing, what can the system do to eliminate this problem?

6. Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs?

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8. What are the different Dynamic Storage- Allocation methods?

9. What is the usage of Deadlock Detection- Algorithm?

10. What is a Safe State and its? use in deadlock avoidance?

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13. What is semaphore?

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16. What are the different process states?

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20. What is Semaphore?

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28. What is Dispatcher?

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34. What is the difference between Hard and Soft real-time systems?

35. What are the types of Real Time System?

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38. What is virtual memory?

39. What resources are used when a thread created? How do they differ from those when a process is created?

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48. Explain Page-replacement with any one page replacement algorithm.

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50. What is Demand Paging? Explain

51. What is Segmentation? Explain

52. Explain the concept of paging in memory

53. What is fragmentation? Explain different types of fragmentation

54. What is dynamic memory allocation? Explain first fit, best fit and worst fit

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56. Explain Swapping in Operating System?

57. Overlays in Memory Management

58. Explain Static vs Dynamic Loading

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67. What do you mean by graceful degradation in multiprocessor systems?

68. Define system call.

69. What do you mean by graceful degradation in multiprocessor systems?

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72. Give the queuing diagram representing process scheduling and show the action point for the different types of CPU schedulers.

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74. List the Coffman’s conditions that lead to a deadlock.

75. What is the difference between synchronization and mutual exclusion?

76. What is a binary semaphore? What is its use?

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78. What is the difference between Hard and Soft real time Systems?

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80. What level of security does Windows NT meets?

81. What are DDks? Name an operating system that includes this feature.

82. What are the sub-components of I/O manager in Windows NT?

83. What is Executive in Windows NT?

84. What are rings in Windows NT?

85. What are the possible threads a thread can have?

86. What is FtDisk?

87. What is an idle thread?

88. What is mutant?

89. What is process migration?

90. What are the reasons for process suspension?

91. List out some reasons for process termination.

92. How many jobs can be run concurrently on MVT?

93. What is process spawning?

94. What is a drawback of MVT?

95. Is Windows NT a full blown object oriented operating system? Give reasons.

96. What are the key object oriented concepts used by Windows NT?

97. What is SMP?

98. What are the four layers that Windows NT have in order to achieve independence?

99. What is Page Cannibalizing?

100. Paging a memory management function, while multiprogramming a processor management function, are the two interdependent?

101. What are demand-paging and pre-paging?

102. In the context of memory    management, what are placement and replacement algorithms?

103. How are the wait/signal operations for monitor different from those for semaphores?

104. What is time-stamping?

105. Describe the Buddy system of memory allocation.

106. Define latency, transfer and seek time with respect to disk I/O.

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114. What is cycle stealing?

115. When is a system in safe state?

116. What is the resident set and working set of a process?

117. What is the Translation Lookaside Buffer (TLB)?

118. What are the typical elements of a process image?

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120. What are short, long and medium-term scheduling?

121. What is thrashing?

122. What is a binary semaphore? What is its use?

123. Explain Belady's Anomaly?

124. Explain the concept of Reentrancy?

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128. What is the use of behavior tab in Ubuntu?

129. Explain the purpose of using a libaio package in Ubuntu?

130. Explain what is Unity in Ubuntu? How can you add new entries to the launcher?

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136. What is NOS?

137. What is plumbing/piping?

138. Why partitioning and formatting is a prerequisite to installing an operating system?

139. What is preemptive multitasking?

140. What is GUI?

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