Recent questions and answers in Others

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1

UGCNET-DEC2018-II-89
Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming that the host has just been restarted. HTTP GET request, DNS query, TCP SYN DNS query, HTTP GET request, TCP SYN TCP SYN, DNS query, HTTP GET request DNS query, TCP SYN, HTTP GET request

answered 4 days ago in Others by GoalSet1 (103 points) | 80 views

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1 answer

2

UGCNET-DEC2018-II-90
Suppose that everyone in a group of $N$ people wants to communicate secretly with $(N-1)$ other people using symmetric key cryptographic system. The communication between any two persons should not be decodable by the others in the group. The number of keys required in the system as a whole to satisfy the confidentiality requirement is $N(N-1)$ $N(N-1)/2$ $2N$ $(N-1)^2$

answered 4 days ago in Others by GoalSet1 (103 points) | 51 views

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1 answer

3

UGCNET-DEC2018-II-37
Consider the problems: Whether a finite state automaton halts on all inputs? Whether a given context free language is regular? Whether a Turing machine computes the product of two numbers? Which one of the following is correct? Code: Only (i) and (iii) are ... (iii) are undecidable problems Only (i) and (ii) are undecidable problems (i), (ii) and (iii) are undecidable problems

answered 4 days ago in Others by GoalSet1 (103 points) | 88 views

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3 answers

4

UGCNET-July-2018-II-26
A binary search tree in which every non-leaf node has non-empty left and right subtrees is called a strictly binary tree. Such a tree with 19 leaves: cannot have more than 37 nodes has exactly 37 nodes has exactly 35 nodes cannot have more than 35 nodes

answered Aug 4 in Others by shashidhara D (11 points) | 668 views

+1 vote

2 answers

5

UGCNET-Nov2017-ii-50
Which speed up could be achieved according to Amdahl's Law for infinte number of processes if 5% of a program is sequential and the remaining part is ideally parallel? 1. infinite 2. 5 3. 20 4. 50

answered Jul 23 in Others by Ram Swaroop Active (4k points) | 1.3k views

+1 vote

1 answer

6

UGCNET-June-2019-II-92
Math List-I with List-II: ... (ii); (c) - (i) (a) - (i) ; (b) - (iii); (c) - (ii) (a) - (ii) ; (b) - (iii); (c) - (i)

answered Jul 12 in Others by Sanjay Sharma Boss (48.2k points) | 16 views

+2 votes

1 answer

7

UGCNET-June-2019-II-91
Consider the game tree given below: Here $\bigcirc$ and $\Box$ represents MIN and MAX nodes respectively. The value of the root node of the game tree is $4$ $7$ $11$ $12$

answered Jul 11 in Others by Sanjay Sharma Boss (48.2k points) | 28 views

+1 vote

1 answer

8

UGCNET-June-2019-II-40
K-mean clustering algorithm has clustered the given $8$ observations into $3$ clusters after $1$st iteration as follows: $C1: \: \{(3,3), (5,5), (7,7) \}$ $C2: \: \{(0,6), (6,0), (3,0) \}$ $C3: \: \{(8,8), (4,4)\}$ What will be the Manhattan distance for observation $(4,4)$ from cluster centroid $C1$ in the second iteration? $2$ $\sqrt{2}$ $0$ $18$

answered Jul 6 in Others by Debargha Bhattacharj Junior (515 points) | 22 views

+1 vote

1 answer

9

UGCNET-June-2019-II-98
Which of the following is an example of unsupervised neural network? Back-propagation network Hebb network Associative memory network Self-organizing feature map

answered Jul 6 in Others by Ram Swaroop Active (4k points) | 17 views

+1 vote

1 answer

10

UGCNET-June-2019-II-93
The STRIPS representation is a feature-centric representation an action-centric representation a combination of feature-centric and action-centric representations a hierarchical feature-centric representation

answered Jul 6 in Others by Ram Swaroop Active (4k points) | 22 views

+1 vote

1 answer

11

UGCNET-June-2019-II-90
The RSA encryption algorithm also works in reverse, that is, you can encrypt a message with the private key and decrypt it using the public key. This property is used in instruction detection systems digital signatures data compression certification

answered Jul 5 in Others by Aman_Singh (103 points) | 22 views

+1 vote

0 answers

12

UGCNET-June-2019-II-38
Hadoop (a big data tool) works with number of related tools. Choose from the following, the common tools included into Hadoop: MySQL, Google API and Map reduce Map reduce, Scala and Hummer Map reduce, H Base and Hive Map reduce, Hummer and Heron

asked Jul 2 in Others by Arjun Veteran (416k points) | 20 views

+1 vote

0 answers

13

UGCNET-June-2019-II-70
Consider the following statements: $S_1$: For any integer $n>1, \: a^{\phi(n)} \equiv 1(mod \: n)$ for all $a \in Z_n^*$ , where $\phi(n)$ is Euler’s phi function. $S_2$: If $p$ is prime, then $a^p \equiv 1(mod \: p)$ for all $a \in Z_p^*$. Which one of the following is/are correct? Only $S_1$ Only $S_2$ Both $S_1$ and $S_2$ Neither $S_1$ nor $S_2$

asked Jul 2 in Others by Arjun Veteran (416k points) | 20 views

+1 vote

0 answers

14

UGCNET-June-2019-II-94
A fuzzy conjunction operator denoted as $t(x,y)$ and a fuzzy disjunction operator denoted as $s(x,y)$ form a dual pair if they satisfy the condition: $t(x,y) = 1-s(x,y)$ $t(x,y) = s(1-x,1-y)$ $t(x,y) = 1-s(1-x,1-y)$ $t(x,y) = s(1+x,1+y)$

asked Jul 2 in Others by Arjun Veteran (416k points) | 15 views

+1 vote

0 answers

15

UGCNET-June-2019-II-95
Let $A_{\alpha_0}$ denotes the $\alpha$-cut of a fuzzy set $A$ at $\alpha_0$. If $\alpha_1 < \alpha_2$, then $A_{\alpha_1} \supseteq A_{\alpha_2}$ $A_{\alpha_1} \supset A_{\alpha_2}$ $A_{\alpha_1} \subseteq A_{\alpha_2}$ $A_{\alpha_1} \subset A_{\alpha_2}$

asked Jul 2 in Others by Arjun Veteran (416k points) | 14 views

+1 vote

0 answers

16

UGCNET-June-2019-II-96
Consider the following methods: $M_1$: Mean of maximum $M_2$: Centre of area $M_3$: Height method Which of the following is/are defuzzification method(s)? Only $M_2$ Only $M_1$ and $M_2$ Only $M_2$ and $M_3$ $M_1$, $M_2$ and $M_3$

asked Jul 2 in Others by Arjun Veteran (416k points) | 15 views

+1 vote

0 answers

17

UGCNET-June-2019-II-97
Consider the following: Evolution Selection Reproduction Mutation Which of the following are found in genetic algorithms? b, c and d only b and d only a, b, c and d a, b and d only

asked Jul 2 in Others by Arjun Veteran (416k points) | 14 views

+1 vote

0 answers

18

UGCNET-June-2019-II-99
The value of the derivative of Sigmoid function given by $f(x)=\dfrac{1}{1+e^{-2x}}$ at $x=0$ is $0$ $\frac{1}{2}$ $\frac{1}{4}$ $\infty$

asked Jul 2 in Others by Arjun Veteran (416k points) | 18 views

+1 vote

0 answers

19

UGCNET-June-2019-II-100
Reinforcement learning can be formalized in terms of ____ in which the agent initially only knows the set of possible _____ and the set of possible actions. Markov decision processes, objects Hidden states, objects Markov decision processes, states objects, states

asked Jul 2 in Others by Arjun Veteran (416k points) | 16 views

0 votes

2 answers

20

UGCNET-July-2018-II-79
A knowledge base contains just one sentence, $\exists x \text{ AsHighAs } (x, \text{Everest})$. COnsider the following two sentences obtained after applying existential instantiation. AsHighAs (Everest, Everest) AsHighAs (Kilimanjaro, Everest) Which of the ... b are unsound conclusions Sentence a is sound but sentence b is unsound Sentence a is unsound but sentence b is sound

answered Jun 28 in Others by Masterk (169 points) | 413 views

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2 answers

21

UGCNET-DEC2018-II-98
Consider a vocabulary with only four propositions A, B, C and D. How many models are there for the following sentence? $\neg A \vee \neg B \vee \neg C \vee \neg D$ $7$ $8$ $15$ $16$

answered Jun 24 in Others by Satbir Boss (17.3k points) | 101 views

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1 answer

22

UGCNET-DEC2018-II-92
Which of the following is true for semi-dynamic environment? The environment may change while the agent is deliberating The environment itself does not change with the passage of time but the agent's performance score does Even if the ... the passage of time while deliberating, the performance score does not change. Environment and performance score, both change simultaneously

answered Jun 18 in Others by Jeewanjot Kaur (135 points) | 71 views

+1 vote

1 answer

23

UGCNET-Nov2017-iii-71

answered Jun 18 in Others by yuviabhi (429 points) | 59 views

0 votes

1 answer

24

UGCNET-DEC2018-II-40
The grammar $S \rightarrow (S) \mid SS \mid \epsilon$ is not suitable for predictive parsing because the grammar is Right recursive Left recursive Ambiguous An operator grammar

answered Jun 17 in Others by Sumit Rana 1 Junior (865 points) | 99 views

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1 answer

25

UGCNET-DEC2018-II-38
Which one of the following problems is decidable for recursive languages $(L)$? Is $L= \phi$? Is $w \in L$, where $w$ is a string? Is $L= \Sigma ^*$? Is $L=R$, where $R$ is a given regular set?

answered Jun 17 in Others by Sumit Rana 1 Junior (865 points) | 82 views

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1 answer

26

UGCNET-July-2018-II-89
Which of the following is an equivalence relation on the set of all functions from Z to Z? $\{ f, \:g) \mid f(x) - g(x) =1 \: \forall \: x \in \: Z \}$ $\{ f, \:g) \mid f(0) = g(0) \text{ or } f(1) = g(1) \}$ $\{ f, \:g) \mid f(0) = g(1) \text{ and } f(1) = g(0) \}$ $\{ f, \:g) \mid f(x) - g(x) =k \text{ for some } k \in Z \}$

answered Jun 17 in Others by yuviabhi (429 points) | 231 views

0 votes

1 answer

27

UGCNET-DEC2018-II-15
Consider the following $\times 86$ - assembly language instructions: MOV AL, 153 NEG AL The contents o the destination register AL (in $8$-bit binary notation), th status of Carry Flag (CF) and Sign Flag after the execution of above instructions are $AL=0110 \: 0110; \: CF=0; \: SF=0$ ... $AL=0110 \: 0110; \: CF=1; \: SF=1$ $AL=0110 \: 0111; \: CF=1; \: SF=0$

answered Jun 17 in Others by Sumit Rana 1 Junior (865 points) | 239 views

0 votes

1 answer

28

UGCNET-DEC2018-II-28
In K-coloring of an undirected graph $G=(V,E)$ is a function. $c; V \rightarrow \{0,1, \dots , K-1 \}$ such that $c(u) \neq c(v)$ for every edge $(u,v) \in E$. Which of the following is not correct? $G$ is bipartite $G$ is $2$-colorable $G$ has cycles of odd length $G$ has no cycles of odd length

answered Jun 16 in Others by krishnapriya3110 (19 points) | 133 views

0 votes

1 answer

29

UGCNET-DEC2018-II-6
The relation $\leq$ and $>$ on a boolean algebra are defined as: $x \leq y$ if and only if $x \vee y =y$ $x <y$ means $x \leq y$ but $x \neq y$ $x \geq y$ means $y \leq x$ and $x>y$ means $y<x$ Considering the above definitions, ... $y < z$, then $x < y$ Choose the correct answer from the code given below: i and ii only ii and iii only iii only iv only

answered Jun 16 in Others by krishnapriya3110 (19 points) | 443 views

+4 votes

2 answers

30

UGCNET-June2016-II-50
Given the following two statements: Strategic value of data mining is timestamping Information collection is an expensive process in building an expert system Which of the following options is correct? Both I and II are false Both I and II are true I is true, II is false I is false, II is true

answered Jun 14 in Others by Adnan Ashraf (449 points) | 1.2k views

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1 answer

31

UGCNET-DEC2018-II-99
Consider the sentence below: There is a country that borders both India and Nepal Which of the following represents the above sentence correctly? $\exists c \text{ Country} (c ) \wedge \text{Border}(c, \text{India}) \wedge Border(c, \text{Nepal})$ ... $\exists c \text{ Border}( \text{Country} (c ), \text{India}) \wedge \text{Nepal})$

answered May 31 in Others by Tishya Manna (41 points) | 131 views

0 votes

1 answer

32

UGCNET-DEC2018-II-93
Consider the following terminology and match List I with List II and choose the correct answer from the code given below. b= branching factor d = depth of the shallowest solution m= maximum depth of the search tree l=depth limit ... )-(ii), (c)-(iv), (d)-(i) (a) - (i), (b)-(iii), (c)-(iv), (d)-(ii)

answered May 31 in Others by Tishya Manna (41 points) | 61 views

0 votes

1 answer

33

UGCNET-DEC2018-II-81
Data scrubbing is A process to reject data from the data warehouse and to create the necessary indexes. A process to load data from the data warehouse and to create the necessary indexes. A process to upgrade the quality of data after it is moved into a data warehouse A process to upgrade the quality of data before it is moved into a data warehouse

answered May 31 in Others by Tishya Manna (41 points) | 54 views

0 votes

1 answer

34

UGCNET-DEC2018-II-79
_______ command is used to remove a relation from SQL database. Drop table Delete table Remove table Update table

answered May 31 in Others by Tishya Manna (41 points) | 66 views

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1 answer

35

UGCNET-DEC2018-II-78
Data warehouse contains _____ data that is never found in operational environment Summary Encoded Encrypted Scripted

answered May 31 in Others by Tishya Manna (41 points) | 57 views

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0 answers

36

#login problems
Hello sir!! I got in to a serious problem ..I have forgotetn the login password of Gate overflow..Cant do login from my Laptop or any other device..Currently I am using The app..but I need to login in my laptop..How can I reset my password ?..Pls help me it's necessary and a bit urgent

asked May 28 in Others by Ritabrata Dey (53 points) | 18 views

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1 answer

37

NIELIT 2018-6
A construction company ready to finish a construction work in $180$ days, hired $80$ workers each working $8$ hours daily. After $90$ days, only $2/7$ of the work was completed. How many workers are to be increased to complete the work on time? Note: If additionally acquired workers do agree to work for $10$ hours daily. $90$ workers $80$ workers $65$ workers $85$ workers

answered May 24 in Others by Satbir Boss (17.3k points) | 55 views

+1 vote

1 answer

38

UGCNET-DEC2018-II-42
Which homogeneous $2D$ matrix transforms the figure (a) on the left side to figure (b) on the right? $\begin{pmatrix} 0 & 2 & -6 \\ 2 & 0 & 1 \\ 0 & 0 & 1 \end{pmatrix}$ ... $\begin{pmatrix} 0 & 2 & 6 \\ 1 & 0 & 1 \\ 0 & 0 & 1 \end{pmatrix}$

answered May 18 in Others by Kuljeet Shan Active (1.5k points) | 180 views

0 votes

2 answers

39

UGCNET-DEC2018-II-19
Consider a system with $2$ level cache. Access times of Level $1$ cache, Level $2$ cache and main memory are $0.5$ ns, $5$ ns and $100$ ns respectively. The hit rates of Level $1$ and Level $2$ caches are $0.7$ and $0.8$ respectively. What is the average access time of the system ignoring the search time within the cache? $35.20$ ns $7.55$ ns $20.75$ ns $24.35$ ns

answered May 13 in Others by shruti gupta1 (407 points) | 357 views

0 votes

1 answer

40

ISI2019-MMA-6
The solution of the differential equation $\frac{dy}{dx} = \frac{2xy}{x^2-y^2}$ is $x^2 + y^2 = cy$, where $c$ is a constant $x^2 + y^2 = cx$, where $c$ is a constant $x^2 – y^2 = cy$ , where $c$ is a constant $x^2 - y^2 = cx$, where $c$ is a constant

answered May 12 in Others by ashwani007 (117 points) | 173 views

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