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UGC-NET | UGC NET CS 2014 Dec - II | Question 26
The period of a signal is 10 ms. What is its frequency in Hertz?(A) 10(B) 100(C) 1000(D) 10000 Answer: (B) Explanation: We know that frequency = 1 / time period.frequency ...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 25
A full binary tree with n leaves contains(A) n nodes(B) log 2 n nodes(C) 2n –1 node(D) 2 n nodes Answer: (C) Explanation: A Binary Tree is full if every node has 0 or 2 c...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 24
Consider a two dimensional array A[20][10]. Assume 4 words per memory cell, the base address of array A is 100, elements are stored in row-major order and first element is...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 23
The directory can be viewed as ________ that translates filenames into their directory entries(A) Symbol table(B) Partition(C) Swap space(D) Cache Answer: (A) Explanation:...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 22
You have to sort a list L, consisting of a sorted list followed by a few ‘random’ elements. Which of the following sorting method would be most suitable for such a task?(A...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 21
Convert the following infix expression into its equivalent post fix expression (A + B^ D) / (E – F) + G(A) ABD^ + EF – / G+(B) ABD + ^EF – / G+(C) ABD + ^EF / – G+(D) ABD^...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 20
Identify the minimal key for relational scheme R(A, B, C, D, E) with functional dependencies F = {A → B, B → C, AC → D}(A) A(B) AE(C) BE(D) CE Answer: (B) Explanation: A+ ...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 19
The best normal form of relation scheme R(A, B, C, D) along with the set of functional dependencies F = {AB → C, AB → D, C → A, D → B} is(A) Boyce-Codd Normal form(B) Thir...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 18
What kind of mechanism is to be taken into account for converting a weak entity set into strong entity set in entity-relationship diagram?(A) Generalization(B) Aggregation...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 17
Which of the following is true ?I. Implementation of self-join is possible in SQL with table alias.II. Outer-join operation is basic operation in relational algebra.III...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 16
Division operation is ideally suited to handle queries of the type:(A) customers who have no account in any of the branches in Delhi.(B) customers who have an account at a...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 15
Which of the following differentiates between overloaded functions and overridden functions?(A) Overloading is a dynamic or runtime binding and overridden is a static or c...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 14
When an array is passed as parameter to a function, which of the following statements is correct?(A) The function can change values in the original array.(B) In C, paramet...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 13
Which of the following is not a member of class?(A) Static function(B) Friend function(C) Const function(D) Virtual function Answer: (B) Explanation: Friend function is no...
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UGC-NET
UGC-NET | UGC NET CS 2014 Dec - II | Question 12
What does the following expression means ?char ∗(∗(∗ a[N]) ( )) ( );(A)a pointer to a function returning array of n pointers to function returning character pointers.(B)a ...
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UGC-NET
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