NIELIT Scientific Assistant Information Technology Paper 2017
Which of these events will be generated if we close an applet’s window?
(a) Action Event
(b) Component Event
(c) Adjustment Event
(d) Window Event
If queue is implemented using arrays, what would be the worst run time complexity of queue and dequeue operations?
(a) O(n), O(n)
(b) O(n), O(1)
(c) O(1), O(n)
(d) O(1), O(1)
Consider a system having ‘m’ resources of the same type. These resources are shared by 3 processes A, B, C; which have peak time demands of 3, 4, 6 respectively. The minimum value of ‘m’ that ensures that deadlock will never occur is
(a) 11
(b) 12
(c) 13
(d) 14
The convergence of the bisection method is
(a) Cubic
(b) Quadratic
(c) Linear
(d) None
In a ripple counter using edge-triggered JK flip-flops, the pulse input is applied to
(a) Clock input of all flip-flops
(b) J and K input of one flip-flop
(c) J and K input of all flip-flops
(d) Clock input of one flip-flop
The number of possible binary trees with 4 nodes is
(a) 12
(b) 13
(c) 14
(d) 15
A program P calls two subprograms P1 and P2. P1 can fail 50% time and P2 can fail 40% times. The program P can fail
(a) 50%
(b) 10%
(c) 60%
(d) 70%
In time division switches if each memory access takes 100 ns and one frame period is 125 micro second, then the maximum number of lines that can be supported is
(a) 625 lines
(b) 1250 lines
(c) 2300 lines
(d) 318 lines
Which two are valid constructors for Thread?
(1) Thread (Runnable r, String name)
(2) Thread()
(3) Thread(int priority)
(4) Thread(Runnable r, ThreadGroup g)
(5) Thread(Runnable r, int priority)
(a) 1 and 3
(b) 2 and 4
(c) 1 and 2
(d) 2 and 5
Which of the following object types are generally autonomous, meaning that they can exhibit some behavior without being operated upon by another object
(a) Passive
(b) Active
(c) Both (a) and (b)
(d) None of the mentioned
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