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    • UGC NET CS 2016 Aug – II

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    Question 1

    Consider a system having ‘m’ resources of the same type. These resources are shared by three processes P1, P2and P3 which have peak demands of 2, 5 and 7 resources respectively. For what value of ‘m’ deadlock will not occur ?

    • A
      70
    • B
      14
    • C
      13
    • D
      7

    Question 2

    Consider a system with seven processes A through G and six resources R through W. Resource ownership is as follows : process A holds R and wants T process B holds nothing but wants T process C holds nothing but wants S process D holds U and wants S & T process E holds T and wants V process F holds W and wants S process G holds V and wants U Is the system deadlocked ? If yes, ______ processes are deadlocked.
    • A
      No
    • B
      Yes, A, B, C
    • C
      Yes, D, E, G
    • D
      Yes, A, B, F

    Question 3

    Match the following 29

    • A
      (1)
    • B
      (2)
    • C
      (3)
    • D
      (4)

    Question 4

    In a fast Ethernet cabling, 100 Base-TX uses ____ cable and maximum segment size is _____.
     

    • A

      twisted pair, 100 meters
       

    • B

      twisted pair, 200 meters
       

    • C

      fiber optics, 1000 meters
       

    • D

      fiber optics, 2000 meters
       

    Question 5

    The following ‘C’ statement : int * f [ ] ( ); declares:
    • A
      A function returning a pointer to an array of integers.
    • B
      Array of functions returning pointers to integers.
    • C
      A function returning an array of pointers to integers.
    • D
      An illegal statement.

    Question 6

    Suppose that the virtual Address space has eight pages and physical memory with four page frames. If LRU page replacement algorithm is used, _____ number of page faults occur with the reference string. 0 2 1 3 5 4 6 3 7 4 7 3 3 5 5 3 1 1 1 7 2 3 4 1
    • A
      13
    • B
      12
    • C
      11
    • D
      10

    Question 7

    Given the following prefix expression: * + 3 + 3 ↑ 3 + 3 3 3 What is the value of the prefix expression ?
    • A
      2178
    • B
      2199
    • C
      2205
    • D
      2232

    Question 8

    Consider the following statements: S1: A queue can be implemented using two stacks. S2: A stack can be implemented using two queues. Which of the following is correct?
    • A

      S1 is correct and S2 is not correct.

    • B

      S1 is not correct and S2 is correct.

    • C

      Both S1 and S2 are correct.

    • D

      Both S1 and S2 are incorrect.

    Question 9

    In C++, polymorphism requires:
    • A
      Inheritance only
    • B
      Virtual functions only
    • C
      References only
    • D
      Inheritance, Virtual functions and references

    Question 10

    If a function is friend of a class, which one of the following is wrong?
    • A
      A function can only be declared a friend by a class itself.
    • B
      Friend functions are not members of a class, they are associated with it.
    • C
      Friend functions are members of a class.
    • D
      It can have access to all members of the class, even private ones.
    Tags:
    UGC-NET

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