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UGCNETJune2019II38
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
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ugcnetjune2019ii
bigdatahadoop
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1
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2
UGCNETJune2019II40
Kmean 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? $2$ $\sqrt{2}$ $0$ $18$
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ugcnetjune2019ii
kmeanclustering
datamining
0
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0
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3
UGCNETJune2019II70
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 $S_2$
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Arjun
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13
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ugcnetjune2019ii
eulerphifunction
0
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1
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4
UGCNETJune2019II90
The RSA encryption algorithm also works in reverse, that is, you can encrypt a message with the private key ans decrypt it using the public key. This property is used in instruction detection systems digital signatures data compression certification
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Jul 2
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Arjun
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20
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ugcnetjune2019ii
+1
vote
1
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5
UGCNETJune2019II91
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 $4$ $7$ $11$ $12$
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Jul 2
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Arjun
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19
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ugcnetjune2019ii
artificialintelligence
minimaxprocedure
0
votes
1
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6
UGCNETJune2019II92
Math ListI with ListII: ... (ii); (c)  (i) (a)  (i) ; (b)  (iii); (c)  (ii) (a)  (ii) ; (b)  (iii); (c)  (i)
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Arjun
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ugcnetjune2019ii
artificialintelligence
searches
0
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1
answer
7
UGCNETJune2019II93
The STRIPS representation is a featurecentric representation an actioncentric representation a combination of featurecentric and actioncentric representations a hierarchical featurecentric representation
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Jul 2
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Arjun
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15
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ugcnetjune2019ii
artificialintelligence
strips
0
votes
0
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8
UGCNETJune2019II94
A fuzzy conjunction operator denoted as $t(x,y)$ ans a fuzzy disjunction operator denoted as $s(x,y)$ form a dual pair if they satisfy the condition: $t(x,y) = 1s(x,y)$ $t(x,y) = s(1x,1y)$ $t(x,y) = 1s(1x,1y)$ $t(x,y) = s(1+x,1+y)$
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11
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ugcnetjune2019ii
artificialintelligence
fuzzylogic
0
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0
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9
UGCNETJune2019II95
Let $A_{\alpha_0}$ denotes the $\alpha$cut of a fuzzy set $A$ at $\alpha_0$. If $\alpha_1 < \alpha_2$, then $A_{\alpha_1} \supseteq A_{\alpha_2}$ $A_{\alpha_1} \supset A_{\alpha_2}$ $A_{\alpha_1} \subseteq A_{\alpha_2}$ $A_{\alpha_1} \subset A_{\alpha_2}$
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Arjun
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12
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ugcnetjune2019ii
fuzzysets
alphacut
0
votes
0
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10
UGCNETJune2019II96
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 $M_2$ and $M_2$ Only $M_2$ and $M_3$ $M_1$, $M_2$ and $M_3$
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11
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ugcnetjune2019ii
fuzzysets
defuzzification
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11
UGCNETJune2019II97
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
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Arjun
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ugcnetjune2019ii
artificialintelligence
geneticalgorithms
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1
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12
UGCNETJune2019II98
Which of the following is an example of unsupervised network? Backpropagation network Hebb network Associative memory network Selforganizing feature map
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Arjun
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14
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ugcnetjune2019ii
artificialintelligence
neuralnetwork
0
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13
UGCNETJune2019II99
The value of the derivative of Sigmoid function given by $f(x)=\frac{1}{1+e^{2x}}$ at $x=0$ is $0$ $\frac{1}{2}$ $\frac{1}{4}$ $\infty$
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Jul 2
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ugcnetjune2019ii
artificialintelligence
sigmoidfunction
0
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0
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14
UGCNETJune2019II100
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
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13
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ugcnetjune2019ii
artificialintelligence
reinforcementlearning
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15
#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
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May 28
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#doubt
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16
ISI2018MMA25
The solution of the differential equation $(1 + x^2y^2)ydx + (x^2y^2 − 1)xdy = 0$ is $xy = log\ x − log\ y + C$ $xy = log\ y − log\ x + C$ $x^2y^2 = 2(log\ x − log\ y) + C$ $x^2y^2 = 2(log\ y − log\ x) + C$
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May 11
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isi2018
nongate
differentialequation
+1
vote
1
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17
ISI2019MMA18
For the differential equation $\frac{dy}{dx} + xe^{y}+2x=0$ It is given that $y=0$ when $x=0$. When $x=1$, $\:y$ is given by $\text{ln} \bigg(\frac{3}{2e} – \frac{1}{2} \bigg)$ $\text{ln} \bigg(\frac{3e}{2} – \frac{1}{4} \bigg)$ $\text{ln} \bigg(\frac{3}{e} – \frac{1}{2} \bigg)$ $\text{ln} \bigg(\frac{3}{2e} – \frac{1}{4} \bigg)$
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3.6k
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isi2019
nongate
engineeringmathematics
calculus
differentiableequation
+1
vote
1
answer
18
ISI2019MMA9
$(\cos 100^\circ + i \sin 100^\circ)(\cos 0^\circ + i \sin 110^\circ)$ is equal to $\frac{1}{2}(\sqrt3 – i)$ $\frac{1}{2}(\sqrt3 – i)$ $\frac{1}{2}(\sqrt3 +i)$ $\frac{1}{2}(\sqrt3 + i)$
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May 6
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Sayan Bose
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97
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isi2019
nongate
trignometry
0
votes
1
answer
19
ISI2019MMA8
For $0 \leq x \leq 2 \pi$, the number of solutions of the equation $\sin^2x + 2 \cos^2x + \sin x \cos x = 0$ is $1$ $2$ $3$ $4$
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May 6
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Sayan Bose
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98
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isi2019
nongate
trignometry
+1
vote
1
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20
ISI2019MMA7
The value of $\frac{1}{2\sin10^\circ}$ – $2\sin70^\circ$ is $1/2$ $1$ $1/2$ $1$
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May 6
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Sayan Bose
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89
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isi2019
nongate
trignometry
0
votes
1
answer
21
ISI2019MMA6
The solution of the differential equation $\frac{dy}{dx} = \frac{2xy}{x^2y^2}$ 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
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May 6
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Sayan Bose
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171
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isi2019
nongate
engineeringmathematics
calculus
0
votes
0
answers
22
Practicing Algorithms and Data Structures for Interview
I have got a good GATE rank in 2019 and most probably I will get into IITB TA. I am thinking of working on algorithms and data structures before I join. I have gone through a lot of content regarding ... someone provide some pointers or any resources that help me improve my skills for competitive coding or interview preparation in general?
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gmrishikumar
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102
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datastructure
interview
algorithms
competitivecoding
0
votes
0
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23
#Last month preparation advice
Is it OK to be nervous during this period? Didn’t posted anything other than question on GO. But today I am feeling very low because of anxiety. Same happened with me in 2018 despite of good preparation. Some motivation is welcomed. :)
[closed]
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Jan 9
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tusharp
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118
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gatepreparation
+1
vote
1
answer
24
UGCNETDEC2018II1
In mathematical logic, which of the following are statements? There will be snow in January. What is the time now? Today is Sunday. You must study Discrete mathematics Choose the correct answer from the code given below: i and iii i and ii ii and iv iii and iv
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Jan 2
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ugcnetdec2018ii
0
votes
2
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25
UGCNETDEC2018II2
Match the ListI with ListII and choose the correct answer from the code given below: ... ) (a)(iii), (b)(iv), (c)(ii), (d)(i) (a)(iv), (b)(iii), (c)(ii), (d)(i)
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ugcnetdec2018ii
0
votes
1
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26
UGCNETDEC2018II3
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 will be red and two will be in green? $\frac{1}{14}$ $\frac{3}{7}$ $\frac{1}{35}$ $\frac{1}{9}$
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Jan 2
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Arjun
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400
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ugcnetdec2018ii
0
votes
1
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27
UGCNETDEC2018II4
A survey has been conducted on methods of commuter travel. Each respondent was asked to check bus, Train and Automobile as a major method of travelling to work. More than one answer was permitted. The results reported were as follows: Bus $30$ people; Train $35$ ... people; and all the three methods $5$ people. How many people completed the survey form? $120$ $165$ $160$ $115$
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Arjun
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385
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ugcnetdec2018ii
0
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0
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28
UGCNETDEC2018II5
Which of the following statements are true? Every logic network is equivalent to one using just NAND gates or just NOR gates. Boolean expressions and logic networks correspond to labelled acyclic diagraphs. No two Boolean algebras with n atoms are isomorphic. Nonzero elements of finite ... the code given below: i and iv only i, ii and iii only i and ii only ii, iii, and iv only
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Jan 2
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Others
by
Arjun
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413k
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405
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ugcnetdec2018ii
0
votes
1
answer
29
UGCNETDEC2018II6
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
asked
Jan 2
in
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by
Arjun
Veteran
(
413k
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438
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ugcnetdec2018ii
0
votes
2
answers
30
UGCNETDEC2018II7
The boolean expression $\overline{A} \cdot B + A \cdot \overline{B}+ A \cdot B$ is equivalenet to $\overline{A} \cdot B$ $\overline{A+B}$ $A \cdot B$ $A+B$
asked
Jan 2
in
Others
by
Arjun
Veteran
(
413k
points)

316
views
ugcnetdec2018ii
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