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Recent questions tagged ugcnetjan2017ii

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UGC NET CSE | January 2017 | Part 2 | Question: 1
Consider a sequence $F_{00}$ defined as : $F_{00}\left ( 0 \right )= 1, F_{00}\left ( 1 \right )= 1\\$ $F_{00}\left ( n \right )= \frac{10 * F_{00}\left ( n-1 \right )+100}{F_{00}\left ( n-2 \right )} \text{ for }n\geq 2 \\$ Then ... $\left ( 1, 2, 55, 110, 600, 1200 \right )$ $\left ( 1, 55, 110, 600, 1200 \right )$

go_editor asked in Others Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 2
Match the following : ...

go_editor asked in Mathematical Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 3
The functions mapping $R$ into $R$ are defined as : $f\left(x \right)=x^{3} - 4x, g\left(x \right)=\frac{1}{x^{2}+1}$ and $h\left(x \right)=x^{4}.$ Then find the value of the following composite functions : $h_{o}g\left(x \right)$ ... $\left ( x^{2}+1 \right )^{-4}$ and $\left [ \left ( x^{3}-4x \right )^{2}+1 \right ]^{-4}$

go_editor asked in Set Theory & Algebra Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 4
How many multiples of $6$ are there between the following pairs of numbers? $0$ and $100$ and $-6$ and $34$ $1$ and $6$ $17$ and $6$ $17$ and $7$ $16$ and $7$

go_editor asked in Set Theory & Algebra Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 5
Consider a Hamiltonian Graph $G$ with no loops or parallel edges and with $\left | V\left ( G \right ) \right |= n\geq 3$. The which of the following is true? $\text{deg}\left ( v \right )\geq \frac{n}{2}$ for each vertex $v\\$ ... $v$ and $w$ are not connected by an edge All of the above

go_editor asked in Graph Theory Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 6
In propositional logic if $\left ( P \rightarrow Q \right )\wedge \left ( R \rightarrow S \right )$ and $\left ( P \vee R \right )$ are two premises such that $\begin{array}{c} (P \to Q) \wedge (R \to S) \\ P \vee R \\ \hline Y \\ \hline \end{array}$ $Y$ is the premise : $P \vee R$ $P \vee S$ $Q \vee R$ $Q \vee S$

go_editor asked in Mathematical Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 7
ECL is the fastest of all logic families. High speed in ECL is possible because transistors are used in difference amplifier configuration, in which they are never driven into ________. Race condition Saturation Delay High impedance

go_editor asked in Digital Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 8
A binary $3$-bit down counter uses $J$-$K$ flip-flops, $FF_{i}$ with inputs $J_{i}$, $K_{i}$ and outputs $Q_{i}$, $i$ = $0, 1, 2$ respectively. The minimized expression for the input from following is : $J_{0} = K_{0} = 0$ $J_{0} = K_{0} = 1$ ... $J_{2} = K_{2} =\overline{Q}_{1} \overline{Q}_{0}$ I, III, V I, IV, VI II, III, V II, IV, VI

go_editor asked in Digital Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 9
Convert the octal number $0.4051$ into its equivalent decimal number. $0.5100098$ $0.2096$ $0.52$ $0.4192$

go_editor asked in Digital Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 10
The hexadecimal equivalent of the octal number $2357$ is : $2EE$ $2FF$ $4EF$ $4FE$

go_editor asked in Digital Logic Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 11
Which of the following cannot be passed to a function in C++? Constant Structure Array Header file

go_editor asked in Object Oriented Programming Mar 24, 2020

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12

UGC NET CSE | January 2017 | Part 2 | Question: 12
Which one of the following is correct for overloaded functions in $C++$? Compiler sets up a separate function for every definition of function. Compiler does not set up a separate function for every definition of function. Overloaded functions cannot handle different types of objects. Overloaded functions cannot have same number of arguments.

go_editor asked in Object Oriented Programming Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 13
Which of the following storage classes have global visibility in $C/C++$? Auto Extern Static Register

go_editor asked in Programming and DS Mar 24, 2020

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14

UGC NET CSE | January 2017 | Part 2 | Question: 14
Which of the following operators cannot be overloaded in $\textsf{C/C++}$ ? Bitwise right shift assignment Address of Indirection Structure reference

go_editor asked in Object Oriented Programming Mar 24, 2020

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1 vote

5 answers

15

UGC NET CSE | January 2017 | Part 2 | Question: 15
If $X$ is a binary number which is power of $2$, then the value of $X \& (X-1)$ is : $11\dots11$ $00\dots00$ $100\dots0$ $000\dots1$

go_editor asked in Digital Logic Mar 24, 2020

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2 answers

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UGC NET CSE | January 2017 | Part 2 | Question: 16
An attribute $A$ of datatype varchar $(20)$ has value 'Ram' and the attribute $B$ of datatype char $(20)$ has value 'Sita' in oracle. The attribute $A$ has ________ memory spaces and $B$ has _______ memory spaces. $20,20$ $3,20$ $3,4$ $20,4$

go_editor asked in Databases Mar 24, 2020

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17

UGC NET CSE | January 2017 | Part 2 | Question: 17
Integrity constraints ensure that changes made to the database by authorized users do not result into loss of data consistency. Which of the following statement(s) is (are) true w.r.t.the examples of integrity constraints? An instructor Id. No. cannot be null, ... true. a false, b and c are true. a and b are true; c false. a,b and c are false.

go_editor asked in Databases Mar 24, 2020

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6 votes

5 answers

18

UGC NET CSE | January 2017 | Part 2 | Question: 18
Let $M$ and $N$ be two entities in an $E-R$ diagram with simple single value attributes. $R_{1}$ and $R_{2}$ are two relationship between $M$ and $N$, where as $R_{1}$, is one-to-many and $R_{2}$, is many-to-many. The minimum number of tables required to represent $M, N, R_{1}$, and $R_{2}$, in the relational model are ___________. $4$ $6$ $7$ $3$

go_editor asked in Databases Mar 24, 2020

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19

UGC NET CSE | January 2017 | Part 2 | Question: 19
Consider a schema $R(MNPQ)$ and functional dependencies $M\rightarrow N, P\rightarrow Q$. Then the decomposition of $R$ into $R_{1} \left (MN \right )$ and $R_{2} \left (PQ \right )$ ... but not lossless join Dependency preserving and lossless join Lossless join but not dependency preserving Neither dependency preserving nor lossless join.

go_editor asked in Databases Mar 24, 2020

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20

UGC NET CSE | January 2017 | Part 2 | Question: 20
The order of a leaf node in a $B^{+}$ tree is the maximum number of children it can have. Suppose that block size is $1$ kilobytes, the child pointer takes $7$ bytes long and search field value takes $14$ bytes long. The order of the leaf node is _________. $16$ $63$ $64$ $65$

go_editor asked in Databases Mar 24, 2020

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21

UGC NET CSE | January 2017 | Part 2 | Question: 21
Which of the following is true for computation time in insertion, deletion and finding maximum and minimum element in a sorted array ? Insertion - $0(1)$, Deletion - $0(1)$, Maximum - $0(1)$, Minimum - $0(1)$ Insertion - $0(1)$, Deletion - $0(1)$, ... , Minimum - $0(1)$ Insertion - $0(n)$, Deletion - $0(n)$, Maximum - $0(n)$, Minimum - $0(n)$

go_editor asked in Algorithms Mar 24, 2020

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UGC NET CSE | January 2017 | Part 2 | Question: 22
The seven elements $A, B, C, D, E,F$ and $G$ are pushed onto a stack in reverse order, i.e., starting from $G$. The stack is popped five times and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is ___________. $A$ $B$ $F$ $G$

go_editor asked in DS Mar 24, 2020

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7 answers

23

UGC NET CSE | January 2017 | Part 2 | Question: 23
Which of the following is a valid heap? $a$ $b$ $c$ $d$

go_editor asked in DS Mar 24, 2020

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2 votes

6 answers

24

UGC NET CSE | January 2017 | Part 2 | Question: 24
If $h$ is chosen from a universal collection of hash functions and is used to hash $n$ keys into a table of size $m$, where $n \leq m$, the expected number of collisions involving a particular key $x$ is less than __________. $1$ $1/n$ $1/m$ $n/m$

go_editor asked in DS Mar 24, 2020

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4 answers

25

UGC NET CSE | January 2017 | Part 2 | Question: 25
Which of the following statements is false? Optimal binary search tree construction can be performed efficiently using dynamic programming. Breadth-first search cannot be used to find connected components of a graph. Given the prefix and postfix walks ... uniquely. Depth-first-search can be used to find the connected components of a graph. a b c d

go_editor asked in Algorithms Mar 24, 2020

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3 answers

26

UGC NET CSE | January 2017 | Part 2 | Question: 26
Match the following Layers and Protocols for a user browsing with $\text{SSL}:$ ... $\text{a-ii, b-iii, c-iv, d-i}$ $\text{a-iii, b-i, c-iv, d-ii}$

go_editor asked in Computer Networks Mar 24, 2020

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2 answers

27

UGC NET CSE | January 2017 | Part 2 | Question: 27
The maximum size of the data that the application layer can pass on to the $TCP$ layer below is ________. $2^{16}$ bytes $2^{16}$ bytes + $TCP$ header length $2^{16}$ bytes – $TCP$ header length $2^{15}$ bytes

go_editor asked in Computer Networks Mar 24, 2020

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2 votes

5 answers

28

UGC NET CSE | January 2017 | Part 2 | Question: 28
A packet whose destination is outside the local $TCP/IP$ network segment is sent to ________. File server $DNS$ server $DHCP$ server Default gateway

go_editor asked in Computer Networks Mar 24, 2020

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1 vote

4 answers

29

UGC NET CSE | January 2017 | Part 2 | Question: 29
Distance vector routing algorithm is a dynamic routing algorithm. The routing tables in distance vector routing algorithm are updated __________. automatically by server by exchanging information with neighbour nodes with back up database

go_editor asked in Computer Networks Mar 24, 2020

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3 answers

30

UGC NET CSE | January 2017 | Part 2 | Question: 30
In link state routing algorithm after construction of link state packets, new routes are computed using : DES algorithm Dijkstra's algorithm RSA algorithm Packets

go_editor asked in Computer Networks Mar 24, 2020

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Recent questions tagged ugcnetjan2017ii