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UGC-NET November 2017 paper -II previous question paper

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COMPUTER SCIENCE AND APPLICATIONS PAPER - II Note : 1. This paper contains fifty (50) objective type questions of two (2) marks each. All questions are compulsory. If the time is now 4 O’clock, what will be the time after 101 hours from now ? (1) 2. 3. 1 0 Let A =  1  0 8 O’clock (3) 5 O’clock 1 0  1  1 (4) 4 O’clock (4) (1301) 4 1 0 1 0 0 0 1 0  and B =  0 1 1 0  Find the boolean product A ⊙ B of the two matrices.   1 0  1 0 1 1   0 1 1 1 0 1 1 0  1 1 0  0 1 1 (2) 1 0  1  1 1 0 1 1 0 1  1 1 0  0 1 1 (3) 1 0  1  1 1 0 1 1 1 0  1 1 0  0 1 1 (4) 1 0  1  1 1 1 0 1 1 0  0 1 1  0 1 1 How many distinguishable permutations of the letters in the word BANANA are there ? (1) 5. (2) Let m=(313)4 and n=(322)4. Find the base 4 expansion of m+n. (1) (635) 4 (2) (32312) 4 (3) (21323) 4 (1) 4. 9 O’clock 720 (2) 120 (3) 60 (4) 360 Consider the graph given below : Use Kruskal’s algorithm to find a minimal spanning tree for the graph. The List of the edges of the tree in the order in which they are choosen is ? (1) AD, AE, AG, GC, GB, BF (2) GC, GB, BF, GA, AD, AE (3) GC, AD, GB, GA, BF, AE (4) AD, AG, GC, AE, GB, BF N-08717 !N-08717-PAPER-II! 2 Paper-II

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6. The Boolean function with the Karnaugh map AB CD 00 01 11 10 00 0 0 1 0 01 1 1 1 1 11 1 1 1 1 10 0 1 1 0 is : 7. (1) (A+C).D+B (2) (A+B).C+D (3) (A+D).C+B (4) (A+C).B+D The Octal equivalent of the binary number 1011101011 is : (1) 8. 1353 (3) 5651 (4) 5657 P↔¬Q (2) ¬P↔Q (3) ¬P↔¬Q (4) Q→P (3) ∀ x H(x) (4) ¬ x H(x) (4) P፱1+P2 P3 Negation of the proposition › x H(x) is : (1) 10. (2) Let P and Q be two propositions, ¬ (P ↔ Q) is equivalent to : (1) 9. 7353 › x ¬ H(x) (2) ∀ x ¬ H(x) The output of the following combinational circuit is F. The value of F is : (1) N-08717 P1+P፱2 P3 (2) !N-08717-PAPER-II! P1+P፱2 P፱3 (3) 3 P1+P2 P፱3 Paper-II

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11. 12. 13. 14. 15. 16. ‘ptrdata’ is a pointer to a data type. The expression *ptrdata++ is evaluated as (in C++) : (1) *(ptrdata++) (2) (*ptrdata)++ (3) *(ptrdata)++ (4) Depends on compiler The associativity of which of the following operators is Left to Right, in C++ ? (1) Unary Operator (2) Logical not (3) Array element access (4) addressof A member function can always access the data in __________ , (in C++). (1) the class of which it is member (2) the object of which it is a member (3) the public part of its class (4) the private part of its class Which of the following is not correct for virtual function in C++ ? (1) Must be declared in public section of class. (2) Virtual function can be static. (3) Virtual function should be accessed using pointers. (4) Virtual function is defined in base class. Which of the following is not correct (in C++) ? (1) Class templates and function templates are instantiated in the same way. (2) Class templates differ from function templates in the way they are initiated. (3) Class template is initiated by defining an object using the template argument. (4) Class templates are generally used for storage classes. Which of the following is/are true with reference to ‘view’ in DBMS ? (a) A ‘view’ is a special stored procedure executed when certain event occurs. (b) A ‘view’ is a virtual table, which occurs after executing a pre-compiled query. Code : 17. (1) Only (a) is true (2) Only (b) is true (3) Both (a) and (b) are true (4) Neither (a) nor (b) are true In SQL, __________ is an Aggregate function. (1) N-08717 SELECT (2) !N-08717-PAPER-II! CREATE (3) 4 AVG (4) MODIFY Paper-II