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    • UGC NET CS 2016 July – II

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    Question 1

    What is the value returned by the function f given below when n = 100? int f (int n) { if (n = = 0) then return n; else return n + f(n-2); }
    • A
      2550
    • B
      2556
    • C
      5220
    • D
      5520

    Question 2

    Given i = 0, j = 1, k = –1 x = 0.5, y = 0.0 What is the output of the following expression in C language ? x * y < i + j || k

    • A
      -1
    • B
      0
    • C
      1
    • D
      2

    Question 3

    In _______, the bodies of the two loops are merged together to form a single loop provided that they do not make any references to each other.

    • A

      Loop unrolling

    • B

      Strength reduction

    • C

      Loop concatenation

    • D

      Loop jamming

    Question 4

    Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: 37 (2) With reference to current allocation, is system safe ? If so, what is the safe sequence ?

    • A
      No
    • B

      Yes, P1P2P3P4

    • C

      Yes, P4P3P1P2

    • D

      Yes, P2P1P3P4

    Question 5

    In TCP/IP Reference model, the job of _______ layer is to permit hosts to inject packets into any network and travel them independently to the destination. (1)Physical (2)Transport (3)Application (4)Host-to-network

    • A

      (1)

    • B

      (2) and (3)

    • C

      (3) and (4)

    • D

      (1), (2), (3) and (4)

    Question 6

    In a fully-connected mesh network with 10 computers, total ______ number of cables are required and ______ number of ports are required for each device.
    • A
      40,9
    • B
      45,10
    • C
      45,9
    • D
      50,10

    Question 7

    Which of the following is not an inherent application of stack?

    • A

      Implementation of recursion

    • B

      Evaluation of a postfix expression

    • C

      Job scheduling

    • D

      Reverse a string

    Question 8

    Consider the following operations performed on a stack of size 5 : Push (a); Pop() ; Push(b); Push(c); Pop(); Push(d); Pop();Pop(); Push (e) Which of the following statements is correct?

    • A

      Underflow occurs

    • B

      Stack operations are performed smoothly

    • C

      Overflow occurs

    • D

      None of the above

    Question 9

    The following statement in ‘C’ 
    int (*f())[ ]; 
    declares

    • A

      a function returning a pointer to an array of integers.

    • B

      a function returning an array of pointers to integers.

    • C

      array of functions returning pointers to integers.

    • D

      an illegal statement.

    Question 10

    If the Disk head is located initially at track 32, find the number of disk moves required with FCFS scheduling criteria if the disk queue of I/O blocks requests are: 98, 37, 14, 124, 65, 67
    • A
      320
    • B
      322
    • C
      321
    • D
      319
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