Recent questions and answers in Others

+4 votes

2 answers

1

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 1 day ago in Others by Adnan Ashraf (449 points) | 1.1k views

0 votes

1 answer

2

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) | 96 views

0 votes

1 answer

3

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 May 31 in Others by Tishya Manna (41 points) | 68 views

0 votes

1 answer

4

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) | 50 views

0 votes

1 answer

5

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) | 39 views

0 votes

1 answer

6

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) | 47 views

0 votes

1 answer

7

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) | 39 views

0 votes

0 answers

8

#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 (29 points) | 15 views

0 votes

1 answer

9

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 (12.8k points) | 53 views

0 votes

1 answer

10

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 (1.4k points) | 125 views

0 votes

2 answers

11

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 (393 points) | 238 views

0 votes

1 answer

12

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) | 162 views

0 votes

0 answers

13

ISI2018-MMA-25
The solution of the differential equation $(1 + x^2y^2)ydx + (x^2y^2 − 1)xdy = 0$ is $xy = log\ x − log\ y + C$ $xy = log\ y − log\ x + C$ $x^2y^2 = 2(log\ x − log\ y) + C$ $x^2y^2 = 2(log\ y − log\ x) + C$

asked May 11 in Others by akash.dinkar12 Boss (40.4k points) | 8 views

+1 vote

1 answer

14

ISI2019-MMA-18
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 $\text{ln} \bigg(\frac{3}{2e} – \frac{1}{2} \bigg)$ $\text{ln} \bigg(\frac{3e}{2} – \frac{1}{4} \bigg)$ $\text{ln} \bigg(\frac{3}{e} – \frac{1}{2} \bigg)$ $\text{ln} \bigg(\frac{3}{2e} – \frac{1}{4} \bigg)$

answered May 10 in Others by ashwani007 (117 points) | 3.6k views

0 votes

1 answer

15

ISI2019-MMA-8
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 $1$ $2$ $3$ $4$

answered May 7 in Others by pratekag Active (2k points) | 94 views

0 votes

2 answers

16

UGCNET-July-2018-II-50
Encrypt the Message "HELLO MY DEARZ" using Transposition Cipher with $Key \begin{cases} \text{Plain Text} & 2 4 3 1 \\ \text{Cipher Text} &1 2 3 4 \end{cases}$ HLLEO YM AEDRZ EHOLL ZYM RAED ELHL MDOY AZER ELHL DOMY ZAER

answered May 7 in Others by Adnan Ashraf (449 points) | 1k views

+1 vote

1 answer

17

ISI2019-MMA-7
The value of $\frac{1}{2\sin10^\circ}$ – $2\sin70^\circ$ is $-1/2$ $-1$ $1/2$ $1$

answered May 7 in Others by Shikha Mallick Active (3.4k points) | 87 views

+1 vote

1 answer

18

ISI2019-MMA-9
$(\cos 100^\circ + i \sin 100^\circ)(\cos 0^\circ + i \sin 110^\circ)$ is equal to $\frac{1}{2}(\sqrt3 – i)$ $\frac{1}{2}(-\sqrt3 – i)$ $\frac{1}{2}(-\sqrt3 +i)$ $\frac{1}{2}(\sqrt3 + i)$

answered May 7 in Others by Arkaprava Active (1.8k points) | 94 views

0 votes

1 answer

19

UGCNET-DEC2018-II-44
In $3D$ Graphics, which of the following statements about perspective and parallel projection is/are true? P: In a perspective projection, the farthest an object is from the center of projection the smaller it appears Q: Parallel projection is equivalent to a perspective projection ... answer from the code given below: Code: P and Q only P and R only Q and R only P, Q and R

answered May 5 in Others by nehass (11 points) | 90 views

0 votes

2 answers

20

UGCNET-DEC2018-II-7
The boolean expression $\overline{A} \cdot B + A \cdot \overline{B}+ A \cdot B$ is equivalenet to $\overline{A} \cdot B$ $\overline{A+B}$ $A \cdot B$ $A+B$

answered May 3 in Others by ApoorvaRaikar (39 points) | 243 views

0 votes

2 answers

21

UGCNET-DEC2018-II-61
Match the following Secret Key Algorithms (list I) with Corresponding Key Lengths (List II) and choose the correct answer from the code given below: ... (iii), (b)-(iv), (c ) -(ii) , d-(i) (a) - (ii), (b)-(iii), (c ) -(iv) , d-(i)

answered Apr 23 in Others by Kuljeet Shan Active (1.4k points) | 97 views

0 votes

4 answers

22

UGCNET-July-2018-II-48
Decrypt the message "WTAAD" using the Caesar Cipher with key =15 LIPPS HELLO PLLEH DAATW

answered Apr 23 in Others by Kuljeet Shan Active (1.4k points) | 878 views

0 votes

0 answers

23

Practicing Algorithms and Data Structures for Interview
I have got a good GATE rank in 2019 and most probably I will get into IIT-B 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?

asked Apr 20 in Others by gmrishikumar Active (1.8k points) | 98 views

0 votes

2 answers

24

UGCNET-July-2018-II-29
A 5-ary tree in which every internal node has exactly 5 children. The number of left nodes in such a tree with 8 internal nodes will be: 30 33 45 125

answered Apr 2 in Others by shruti gupta1 (393 points) | 1.3k views

+1 vote

2 answers

25

UGCNET-DEC2018-II-21
The solution of recurrence relation: $T(n) = 2T (sqrt(n)) + lg(n)$ is $O(lg(n))$ $O(n \: lg \: (n))$ $O(lg \: (n) \: lg (n))$ $O(lg \: (n) \: lg(lg \: (n)))$

answered Mar 14 in Others by abhishekmehta4u Boss (33.9k points) | 141 views

+1 vote

1 answer

26

UGC NET JULY 2016
A perceptron has input weights W1 = -3.9 and W2 = 1.1 with threshold value T = 0.3. What output does it give for the input x1 = 1.3 and x2 = 2.2? (A) -2.65 (B) -2.30 (B) 0 (D) 1

answered Mar 6 in Others by shahidhope Junior (839 points) | 309 views

0 votes

2 answers

27

UGCNET-July-2018-II-71
In artificial Intelligence (AI), an environment is uncertain if it is ___ Not fully observable and not deterministic Not fully observable or not deterministic Fully observable but not deterministic Not fully observable but deterministic

answered Mar 6 in Others by shahidhope Junior (839 points) | 194 views

0 votes

2 answers

28

UGCNET-July-2018-II-72
In artificial Intelligence (AI), a simple reflex agent selects actions on the basis of ___ current percept, completely ignoring rest of the percept history rest of the percept history, completely ignoring the current percept both current percept and complete percept history both current percept and just previous percept

answered Mar 6 in Others by shahidhope Junior (839 points) | 265 views

+1 vote

2 answers

29

UGCNET-Nov2017-iii-17

answered Feb 19 in Others by MonikaV (23 points) | 591 views

0 votes

1 answer

30

NIELIT 2018-28
For the function $(z) = \frac{1}{z^2(e^z-1)}, z=0$ is a pole of order: $1$ $2$ $3$ None of these

answered Feb 19 in Others by Asim Siddiqui 4 Junior (843 points) | 45 views

0 votes

1 answer

31

NIELIT 2018-82
Identify the true statement from the given statements. Program relocation at rum time requires transfer complete block to some memory locations requires both base address and relative address requires only absolute address $1$ $1$ and $2$ $1$ , $2$ and $3$ $1$ and $3$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 29 views

0 votes

1 answer

32

NIELIT 2018-81
Identify the true statement from the given statements: A recursive formal language is a recursive subset in the set of all possible words over the alphabet of the language. The complement of a recursive languages is recursive The complement of a context-free language is context-free Only $1$ $1$ and $2$ $1$, $2$ and $3$ $2$ and $3$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 21 views

0 votes

1 answer

33

NIELIT 2018-80
_____ [airs of traversals is not sufficient to build a binary tree. Preorder and Inorder Postorder and Inorder Postorder and Preorder None of these

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 33 views

0 votes

1 answer

34

NIELIT 2018-79
Given message $M=1010001101$. The CRC for this given message using the divisor polynomial $x^5+x^4+x^2+1$ is ______ $01011$ $10101$ $01110$ $10110$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 32 views

0 votes

1 answer

35

NIELIT 2018-78
Identify the true statement from the given statements. FIFO is non-preemptive Round robin is non-preemptive Multilevel Queue Scheduling is non-preemptive $1$ $1$ and $2$ $1$, $2$ and $3$ $2$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 20 views

0 votes

1 answer

36

NIELIT 2018-74
Dijkstra’s algorithm is based on Greedy approach Dynamic programming Backtracking paradigm Divide and conquer paradigm

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 33 views

0 votes

1 answer

37

NIELIT 2018-73
Minimum ____ full adders and ____ half adders are required by the BCD adder to add two decimal digits. $3,2$ $9,4$ $6,5$ $5,2$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 35 views

0 votes

1 answer

38

NIELIT 2018-77
_____ merges the bodies of two loops loop rolling loop folding loop merge loop jamming

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 24 views

0 votes

1 answer

39

NIELIT 2018-76
Identify the correct nodes and edges in the given intermediate code $i=1$ $t1=5*i$ $t2=4*t1$ $t3=t2$ $a[t3]=0$ $i=i+1$ if $i<15$ goto(2) $33$ $44$ $43$ $34$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 27 views

0 votes

2 answers

40

NIELIT 2018-75
For the given recurrence equation $\begin{array} T(n) & =2T(n-1), &\text{if } n>0 \\ & =1, & \text{otherwise} \end{array}$ $O(n \log n)$ $O(n^2)$ $O(2^n)$ $O(n)$

answered Feb 18 in Others by Asim Siddiqui 4 Junior (843 points) | 39 views

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