PPSC Lecturer Computer Science (BPS-17) Solved Paper 2017


Solved past paper MCQs of ppsc lecturer computer science bps-17. It would be helpful for the current candidates who applied for ppsc lecturer computer science subject seats


PPSC Lecturer Computer Science (BPS-17) Solved Paper 2017

Select one option out of four given options

  1. Which module gives control of CPU to the process selected by the short term scheduler




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  2. The processes that are residing in the main memory for execution are kept on a list called




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  3. The interval from the time of submission of a process to the time of completion is termed as




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  4. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first




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  5. In priority scheduling the algorithm




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  6. In priority scheduling algorithm when a process arrives at the ready queue, its priority is compared with the priority of the




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  7. Time quantum is defined in




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  8. In a multilevel feed back scheduling algorithm




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  9. Which one of the following can not be scheduled by the kernel




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  10. A memory page containing an heavily user variable that was initialize very early and is in constant use is removed and then the page replacement algorithm used is




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  11. Users are ____________ that their processes are running on a paged system




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  12. The aim of creating page replacement algorithm is to




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  13. A FIFO replacement algorithm associates with each page the ______________-




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  14. Optimal page replacement algorithm is




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  15. Optimal page replacement algorithm is difficult to implement because




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  16. LRU page-replacement algorithm associates with each page the ______________




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  17. For three page frames the following is the reference string 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 How many page faults does the LRU page replacement algorithm produced




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  18. CPU fetches the instructions from the memory according to the value of




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  19. A memory buffer used to the accommodate the spood differential is called




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  20. Which one of the following is the address generated by the CPU




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  21. Run time mapping from virtual to physical address is done by the




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  22. Memory management technique in which system stores and retrieve data from secondary storage for use in main memory is called




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  23. The interrupt request line is the part of the




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  24. The return address from the interrupt service routine is stored on the




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  25. The signal sent to the device from the processor to the device after receiving an interrupt is




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  26. A relational database consists of a collection of




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  27. A ______________ in a table represent a relationship among the set of the values




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  28. The term _____________ is used to refer a row




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  29. The term attribute refers to a _______________ of a table




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  30. For each attribute of a relation there is a set of permitted values called the ____________ of that attribute




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  31. Which one of the following tuple generating dependency




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  32. The main task carried out in the ______________ is to remove repeating attributes to separate tables




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  33. Which of the normal form based on the multi valued dependencies




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  34. Which forms has a relation that possess data about an individual entity




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  35. Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set




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  36. In which of the following a separate schema is created consisted of that attribute and the primary key of the entity set




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  37. In 2NF




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  38. _____________ can help us detect poor E-R design




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  39. Build and Fix model is suitable for programming exercises of ______________ LOC (Line of Code)




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  40. What is the best way to represent the attributes in a large database




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  41. Designers use which of the following to tune performance of systems to support time critical operations




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  42. RAD stands for




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  43. Which one of the following model is not suitable for accommodating any change




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  44. Which one of the following is not the phase of the Prototyping Model




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  45. RAD Model has




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  46. What is the major drawback of using RAD model




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  47. SDLC stands for




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  48. Which model can be selected if user is involved in all the phases of SDLC




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  49. Two devices are in network if




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  50. In computer network nodes are




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  51. Communication is shared by all of the mechanism on the network in




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  52. Bluetooth is an example of




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  53. A _____________ is the device that forward packets between networks by processing the routing information included in the packet




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  54. A list of protocols used by the system one protocol per layer is called




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  55. Network congestion occurs




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  56. Which one of the following extends a private network across public networks




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  57. The network layer concerns with the




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  58. Which one of the following is not the function of network layer




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  59. A four Byte IP address consists of




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  60. In virtual circuit, network each packet contains




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  61. Which one of the following routing algorithm can be used for network layer design




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  62. The network layer protocol of internet is




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  63. ICMP is primarily used for




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  64. The lexical analyzer takes ____________ as input and produce a stream of ____________ as output




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  65. Parsing is also known as




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  66. A compiler program written in a high level language is called




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  67. The number of pixels stored in the frame buffer of a graphics system is known as




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  68. Which of the following is key characteristics of hackor




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  69. Which of the following focuses on the discovery of unknown properties of data




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  70. Which process model should be used virtually all situations of web engineering




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  71. Which of the following statements are incorrect with reference to the web based systems




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  72. What category of web based system would you assign to electronic shopping




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  73. What category of web based system would you assign to discussion group




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  74. W3C stands for




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  75. Which of the following is the risk associated with using hyper text in web applications




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  76. Which of the following is not a NosQL database




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  77. Which of the following is a NoSQL database type




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  78. Which one of the following is an example of operating system




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  79. By default on which page the header or the footer is printed in MS word




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  80. Complete the number series, 15, 31, 63, 127, 255,




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  81. Solve the equation: {1/4+5/8} +{1/2+3/4}=




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  82. "To fact the music" means




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  83. What is the antonym of MEANDERING




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  84. Find the correctly spelt word




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  85. To which fruit is Plantain similar to




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  86. Exposure to sunlight results in formation of _____________ in the body




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  87. Who was the first American president to resign while in office




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  88. The current capital of Kazakhstan is Astana, Name of the former capital is




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  89. In geography what do you understand by Pangaea




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  90. After partition of Bengal the capital of East Bengal and Assam was




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  91. What was the official language during the Muslim rule in India




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  92. Which of the following is not an Olympic Sports?




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  93. The flag of which country is also known as the Union Jack




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  94. Boao Forum of Asia was originally proposed by Former President Ramos of Philippines, former Prime Minister Monhiro Hosokawa of Japan and




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