Recent questions and answers in Others

+1 vote

2 answers

1

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 (29k points) | 60 views

+1 vote

1 answer

2

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 (759 points) | 230 views

0 votes

2 answers

3

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 (759 points) | 103 views

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2 answers

4

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 (759 points) | 150 views

+1 vote

2 answers

5

UGCNET-Nov2017-iii-17

answered Feb 19 in Others by MonikaV (23 points) | 400 views

0 votes

1 answer

6

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 (759 points) | 41 views

0 votes

1 answer

7

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 (759 points) | 24 views

0 votes

1 answer

8

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 (759 points) | 16 views

0 votes

1 answer

9

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 (759 points) | 28 views

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1 answer

10

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 (759 points) | 27 views

0 votes

1 answer

11

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 (759 points) | 16 views

0 votes

1 answer

12

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 (759 points) | 30 views

0 votes

1 answer

13

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 (759 points) | 27 views

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1 answer

14

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 (759 points) | 19 views

0 votes

1 answer

15

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 (759 points) | 22 views

0 votes

2 answers

16

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 (759 points) | 33 views

0 votes

1 answer

17

NIELIT 2018-33
The language $\{ W^a X^b Y^{a+b} \mid a, b, >1\}$ is Regular Context-free but not regular Context sensitive but not context free Type$=0$ but not context sensitive

answered Feb 18 in Others by Priyadrasta Raut (373 points) | 32 views

0 votes

1 answer

18

NIELIT 2018-70
____ number of underlined graphs can be constructed using $V=(v1,v2, \dots,vn)$. $n^3$ $2^{n(n-1)}/2$ $n-1/2$ $2^{(n-1)}/2$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 35 views

0 votes

1 answer

19

NIELIT 2018-69
____ number of queues are needed to implement a stack $1$ $2$ $3$ $4$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 55 views

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1 answer

20

NIELIT 2018-68
_____ IP address can be used in WAN $256.0.0.1$ $172.16.0.10$ $15.1.5.6$ $127.256.0.1$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 31 views

0 votes

1 answer

21

NIELIT 2018-66
____ number of gates are required to implement the Boolean function $(AB+C)$ with using only $2$-input NOR gates. $2$ $3$ $4$ $5$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 41 views

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1 answer

22

NIELIT 2018-64
Which of the following code replacements is an example of operator strength reduction? Replace $ \text{P^2} $ by $P^*P$ Replace $ P^*16$ by $P<<4$ Replace $ \text{pow}(P,3) $ by $P^*P^*P$ Replace $ (P <<5) -P $ by $P^*3$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 31 views

0 votes

1 answer

23

NIELIT 2018-63
Identify the true statement from the given statements. Lossless, dependency-preserving Decompositoin into $3$ NF is always possible Any relation with two attributes is BCNF $1$ $2$ $1$ and $2$ None of these

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 23 views

0 votes

2 answers

24

UGCNET-DEC2018-II-53
Software products need perfective maintenance for which of the following reasons? To rectify bugs observed while the system is in use When the customers need the product to run on new platforms To support new features that users want it to support To overcome wear and tear caused by the repeated use of the software

answered Feb 17 in Others by V Sharma (181 points) | 39 views

0 votes

1 answer

25

NIELIT 2018-61
The ALU uses _____ to store intermediate result Cache Registers Accumulators Stack

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 28 views

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1 answer

26

NIELIT 2018-60
If the period of a signal is $00$ ms. Then its frequency in Hertz is ______ $10$ $100$ $1000$ $10000$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 31 views

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1 answer

27

NIELIT 2018-51
_____ is holding an entry for each terminal symbol and is acting as permanent database. Variable Table Terminal Table Keyword Table Identifier Table

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 26 views

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1 answer

28

NIELIT 2018-53
Identify the true statement from the given statements. HTTP may use different TCP connection for different objects of a webpage if non-persistent connections are used FTP uses two TCP connections, one for data and another control TELNET and FTP can only use TWO connections at a time $1$ $1$ and $2$ $2$ and $3$ $1$, $2$ and $3$

answered Feb 17 in Others by Asim Siddiqui 4 Junior (759 points) | 26 views

0 votes

1 answer

29

NIELIT 2018-58
Consider the following functional dependencies in a database: $A \rightarrow B$ $B \rightarrow C$ $D \rightarrow E$ $E \rightarrow D$ $F \rightarrow G$ $F \rightarrow H$ $(E,F) \rightarrow 1$ The relation $(E,D,A,B)$ is $2$ NF $3$ NF BCNF None of the above

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 30 views

0 votes

2 answers

30

NIELIT 2018-44
Time to Live(TTL) field in the IP datagram is used ______ to optimize throughput to prevent packet looping to reduce delays to prioritize packets

answered Feb 16 in Others by Aks9639 (495 points) | 45 views

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2 answers

31

NIELIT 2018-45
______ transport layer protocol is used to support clectronic mail SNMP IP SMTP TCP

answered Feb 16 in Others by Aks9639 (495 points) | 26 views

0 votes

1 answer

32

NIELIT 2018-46
The hexadecimal representation of $(632)_8$ is $19A$ $198$ $29A$ $291$

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 18 views

0 votes

1 answer

33

NIELIT 2018-29
Using Green’s theorem in plane, evaluate $\int_c (2x-y) dx + (x+y)dy$, where $c$ is the circle $x^2+y^2=4$ in the plane: $2 \pi$ $4 \pi$ $-4 \pi$ $8 \pi$

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 43 views

0 votes

1 answer

34

NIELIT 2018-49
The following table has two attributes $X$ and $Y$ where $X$ is the primary key and $Y$ is the foreign key referencing $X$ ... $(4,3)$ and $(6,4)$ $(2,4)$ and $(7,2)$ $(3,2)$ and $(9,5)$ $(3,4), (4,5)$ and $(6,4)$

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 66 views

0 votes

1 answer

35

NIELIT 2018-42
____ symbol is used to denote derived attributes in ER model Dashed ellipse Squared ellipse Ellipse with attribute name underlined Rectangular Box

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 36 views

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1 answer

36

NIELIT 2018-41
____ is used to convert from recursive to iterative implementation of an algorithm Array Tree Stack Queue

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 31 views

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1 answer

37

NIELIT 2018-39
A RAM chip has a capacity of $1024$ words of $8$ bits each $(1K \times 8)$. The number of $2 \times 4$ decoders with enable line needed to construct a $32 K \times 8$ RAM from $1K \times 8$ RAM is $4$ $5$ $6$ $7$

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 34 views

0 votes

1 answer

38

NIELIT 2018-37
The smallest element that can be found in time ____ in a binary max heap. $O(n \log n)$ $O( \log n)$ $O(n)$ $O(n^2)$

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 39 views

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1 answer

39

NIELIT 2018-35
Baud rate measures the number of ____ transmitted per second Symbols Bits Byte None of these

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 34 views

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1 answer

40

NIELIT 2018-34
Identify the true statement from the given statements: Number of child pointers in a B/B+ tree node is always equal to number of keys in it plus one B/B+ tree is defined by a term minimum degree. And minimum degree depends on hard disk block size, key and address size (1) (1) and (2) (2) None of these

answered Feb 16 in Others by Asim Siddiqui 4 Junior (759 points) | 37 views

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