CBSE NET


UGC NET Computer Science Solved Paper II DECEMBER 2007

A box contains six red balls and four green balls. Four balls are selected at random from the box. What is the probability that two of the selected balls are red and two are green? (A) 3/7                (B) 4/7 (C) 5/7                (D) 6/7 Answer: A Explanation: C(6,2)C(4,2)/C(10,4) The number of […]


UGC NET Computer Science Solved Paper II JUNE 2007

The following deterministic finite automata recognizes: (A) Set of all strings containing ‘ab’ (B) Set of all strings containing ‘aab’ (C) Set of all strings ending in ‘abab’ (D) None of the above Answer: D Depth ion travels of the following directed graph is: (A) ABCDEF     (B) ABDEFC (C) ACEBDF    […]


UGC NET Computer Science Solved Paper II JUNE 2006

Which of the following strings is in the language defined by grammar S→0A, A→1A/0A/1 (A) 01100          (B) 00101 (C) 10011          (D) 11111 Answer: B For a complete graph with N vertices, the total number of spanning trees is given by: (A) 2N-1             (B) NN-1 (C) NN-2              (D) 2N+1 Answer: C […]


UGC NET Computer Science Solved Paper II JUNE 2005

Which of the following is not true? (A) Power of deterministic automata is equivalent to power of non-deterministic automata. (B) Power of deterministic pushdown automata is equivalent to power of non-deterministic pushdown automata. (C) Power of deterministic Turing machine is equivalent to power of non-deterministic Turing machine. (D) All the […]