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LeenSharma
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Answers by LeenSharma
17
votes
61
GATE CSE 1999 | Question: 1.7
Which of the following expressions is not equivalent to $\bar{x}$? $x \text{ NAND } x$ $x \text{ NOR } x$ $x \text{ NAND } 1$ $x \text{ NOR } 1$
Which of the following expressions is not equivalent to $\bar{x}$?$x \text{ NAND } x$$x \text{ NOR } x$$x \text{ NAND } 1$$x \text{ NOR } 1$
8.5k
views
answered
Aug 24, 2016
Digital Logic
gate1999
digital-logic
easy
boolean-algebra
+
–
4
votes
62
limits
what is the value of $\textstyle \lim_{x \to 2}\frac{x-2}{\log(x-1)}$
what is the value of$\textstyle \lim_{x \to 2}\frac{x-2}{\log(x-1)}$
613
views
answered
Aug 21, 2016
Calculus
engineering-mathematics
calculus
limits
+
–
1
votes
63
UGC NET CSE | December 2015 | Part 3 | Question: 14
In electronic mail, which of the following protocols allows the transfer of multimedia messages? IMAP SMTP POP 3 MIME
In electronic mail, which of the following protocols allows the transfer of multimedia messages?IMAPSMTPPOP 3MIME
2.8k
views
answered
Aug 9, 2016
Computer Networks
ugcnetcse-dec2015-paper3
computer-networks
multimedia-protocol
+
–
4
votes
64
UGC NET CSE | Junet 2015 | Part 3 | Question: 63
Given the following grammars: $G_1$ $S \rightarrow AB \mid aaB$ $A \rightarrow aA \mid \epsilon$ $B \rightarrow bB \mid \epsilon$ $G_2$: $S \rightarrow A \mid B$ $A \rightarrow a A b \mid ab$ ... is unambiguous and $G_2$ is ambiguous grammars both $G_1$ and $G_2$ are ambiguous grammars both $G_1$ and $G_2$ are unambiguous grammars
Given the following grammars:$G_1$$S \rightarrow AB \mid aaB$ $A \rightarrow aA \mid \epsilon$ $B \rightarrow bB \mid \epsilon$$G_2$:$S \rightarrow A \mid B$ $A \rightarr...
4.7k
views
answered
Aug 2, 2016
Theory of Computation
ugcnetcse-june2015-paper3
theory-of-computation
compiler-design
+
–
5
votes
65
Gate 2014 CE Set 2
The expression $\lim_{a \to 0}\frac{x^{a}-1}{a}$ is equal to (A)$\log x$ (B)0 (c)$x\log x$ (D)$\infty$
The expression $\lim_{a \to 0}\frac{x^{a}-1}{a}$ is equal to (A)$\log x$ (B)0 (c)$x\log x$ (D)$\infty$
2.4k
views
answered
Jul 31, 2016
Calculus
calculus
limits
gate-mathematics
+
–
4
votes
66
Discrete mathematics & its applications with combinatorics and graph theory-kenneth H rosen
Determine whether following conditional statement is true or false -If 1+1 =3, then 2+2=4. According to me the answer should be false, but in book its given true. Can anyone explain how it is true?
Determine whether following conditional statement is true or false-If 1+1 =3, then 2+2=4.According to me the answer should be false, but in book its given true. Can anyon...
714
views
answered
Jul 31, 2016
1
votes
67
Discrete mathematics & its applications with combinatorics and graph theory-kenneth H rosen
Let p, q, and r be the propositions p: you get an A on the final exam. q: You do every exercise in this book. r: You get an A in this class. How can I write these propositions using p, q, and r and ... an A in this class if and only if you either do every excercise in this book or you get an A on the final.
Let p, q, and r be the propositions p: you get an A on the final exam. q: You do every exercise in this book. r: You get an A in this class. How can I write these proposi...
1.3k
views
answered
Jul 31, 2016
Mathematical Logic
mathematical-logic
+
–
2
votes
68
UGC NET CSE | December 2014 | Part 3 | Question: 57
The resolvent of the set of clauses $(A \vee B, \sim A \vee D, C \vee \sim B)$ is $A \vee​ B$ $C \vee​ D$ $A \vee​ C$ $A \vee​ D$
The resolvent of the set of clauses $(A \vee B, \sim A \vee D, C \vee \sim B)$ is $A \vee​ B$$C \vee​ D$$A \vee​ C$$A \vee​ D$
4.5k
views
answered
Jul 30, 2016
Mathematical Logic
ugcnetcse-dec2014-paper3
mathematical-logic
+
–
2
votes
69
UGC NET CSE | Junet 2015 | Part 2 | Question: 8
"If my computations are correct and I pay the electric bill, then I will run out of money. If I don't pay the electric bill, the power will be turned off. Therefore, If I don't run out of money and the power is still on then my ...
"If my computations are correct and I pay the electric bill, then I will run out of money. If I don't pay the electric bill, the power will be turned off. Therefore, If I...
2.7k
views
answered
Jul 30, 2016
Mathematical Logic
ugcnetcse-june2015-paper2
mathematical-logic
+
–
2
votes
70
UGC NET CSE | Junet 2015 | Part 2 | Question: 9
Match the following : ... $\text{(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)}$
Match the following :$\begin{array}{clcl} & \textbf{List-I} && \textbf{List-II} \\ \text{(a)}&(p \rightarrow q) \Leftrightarrow (\neg q \rightarrow \neg p) & \text{(i)} ...
1.6k
views
answered
Jul 30, 2016
Mathematical Logic
ugcnetcse-june2015-paper2
mathematical-logic
propositional-logic
+
–
1
votes
71
UGC NET CSE | Junet 2015 | Part 2 | Question: 3
In how many ways can $15$ indistinguishable fish be placed into $5$ different ponds, so that each pond contains at least one fish? $1001$ $3876$ $775$ $200$
In how many ways can $15$ indistinguishable fish be placed into $5$ different ponds, so that each pond contains at least one fish?$1001$$3876$$775$$200$
4.6k
views
answered
Jul 30, 2016
Combinatory
ugcnetcse-june2015-paper2
combinatory
counting
+
–
5
votes
72
UGC NET CSE | Junet 2015 | Part 2 | Question: 2
Considering an experiment of tossing two fair dice, one black and one red. What is the probability that the number on the black die divides the number on red die? $\dfrac{22}{36} \\$ $\dfrac{12}{36} \\$ $\dfrac{14}{36} \\$ $\dfrac{6}{36}$
Considering an experiment of tossing two fair dice, one black and one red. What is the probability that the number on the black die divides the number on red die?$\dfrac{...
3.5k
views
answered
Jul 30, 2016
Probability
ugcnetcse-june2015-paper2
probability
+
–
4
votes
73
UGC NET CSE | December 2013 | Part 3 | Question: 71
Simplest way of deadlock recovery is Roll back Preempt resource Lock one of the processes Kill one of the processes
Simplest way of deadlock recovery isRoll backPreempt resourceLock one of the processesKill one of the processes
4.9k
views
answered
Jul 29, 2016
Operating System
ugcnetcse-dec2013-paper3
operating-system
deadlock-prevention-avoidance-detection
+
–
3
votes
74
UGC NET CSE | December 2013 | Part 3 | Question: 53
What will be output of the following logic diagram ? x $\text{OR}$ y x $\text{AND}$ y x $\text{XOR}$ y x $\text{XNOR}$ y
What will be output of the following logic diagram ?x $\text{OR}$ yx $\text{AND}$ yx $\text{XOR}$ yx $\text{XNOR}$ y
1.5k
views
answered
Jul 29, 2016
Digital Logic
ugcnetcse-dec2013-paper3
digital-logic
circuit-output
+
–
3
votes
75
UGC NET CSE | December 2013 | Part 3 | Question: 44
In IPV 4, the IP address 200.200.200.200 belongs to Class A Class B Class C Class D
In IPV 4, the IP address 200.200.200.200 belongs toClass AClass BClass CClass D
4.4k
views
answered
Jul 29, 2016
Computer Networks
ugcnetcse-dec2013-paper3
computer-networks
ip-addressing
+
–
3
votes
76
UGC NET CSE | December 2013 | Part 3 | Question: 41
The Greibach normal form grammar for the language $L=\{a^n b^{n +1} \mid n \geq 0 \}$ is $S \rightarrow a \, SB, B \rightarrow bB \mid \lambda$ $S \rightarrow a \, SB, B \rightarrow bB \mid b$ $S \rightarrow a \, SB \mid b, B \rightarrow b$ $S \rightarrow a \, Sb \mid b$
The Greibach normal form grammar for the language $L=\{a^n b^{n +1} \mid n \geq 0 \}$ is$S \rightarrow a \, SB, B \rightarrow bB \mid \lambda$$S \rightarrow a \, SB, B \r...
6.2k
views
answered
Jul 29, 2016
Theory of Computation
ugcnetcse-dec2013-paper3
theory-of-computation
+
–
2
votes
77
Discrete Mathematics
Determine whether (p ∧ ( p → q )) → q is Tautology , Contradiction or Contingency.
Determine whether (p ∧ ( p → q )) → q is Tautology , Contradiction or Contingency.
442
views
answered
Jul 28, 2016
Mathematical Logic
discrete
logic
+
–
1
votes
78
UGC NET CSE | December 2014 | Part 3 | Question: 28
What is the propagation time if the distance between the two points is $48,000$ ? Assume the propagation speed to be $2.4 × 10^{8}$ metre/second in cable. $0.5$ ms $20$ ms $50$ ms $200$ ms
What is the propagation time if the distance between the two points is $48,000$ ? Assume the propagation speed to be $2.4 × 10^{8}$ metre/second in cable. $0.5$ ms ...
6.6k
views
answered
Jul 27, 2016
Computer Networks
ugcnetcse-dec2014-paper3
computer-networks
propagation-time
+
–
1
votes
79
UGC NET CSE | December 2014 | Part 3 | Question: 27
Which of the following is not a field in $TCP$ header ? Sequence number Fragment offset Checksum Window size
Which of the following is not a field in $TCP$ header ? Sequence numberFragment offsetChecksumWindow size
4.4k
views
answered
Jul 27, 2016
Computer Networks
ugcnetcse-dec2014-paper3
computer-networks
tcp-header
+
–
1
votes
80
UGC NET CSE | December 2014 | Part 3 | Question: 25
For $n$ devices in a network, ________ number of duplex-mode links are required for a mesh topology. $n(n + 1)$ $n (n – 1)$ $n(n + 1)/2$ $n(n – 1)/2$
For $n$ devices in a network, ________ number of duplex-mode links are required for a mesh topology.$n(n + 1)$ $n (n – 1)$ $n(n + 1)/2$ $n(n – 1)/2$
4.0k
views
answered
Jul 27, 2016
Computer Networks
ugcnetcse-dec2014-paper3
computer-networks
network-topologies
mesh-topology
+
–
6
votes
81
UGC NET CSE | December 2013 | Part 2 | Question: 47
The virtual address generated by a CPU is 32 bits. The Translation Look-aside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4-cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is 12 bits 15 bits 16 bits 20 bits
The virtual address generated by a CPU is 32 bits. The Translation Look-aside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4-c...
4.6k
views
answered
Jul 26, 2016
Operating System
ugcnetcse-dec2013-paper2
operating-system
translation-lookaside-buffer
+
–
4
votes
82
UGC NET CSE | December 2013 | Part 2 | Question: 39
A graph is non-planar if and only if it contains a subgraph homomorphic to $K_{3,2} \text{ or } K_5$ $K_{3,3} \text{ or } K_6$ $K_{3,3} \text{ or } K_5$ $K_{2,3} \text{ or } K_5$
A graph is non-planar if and only if it contains a subgraph homomorphic to$K_{3,2} \text{ or } K_5$$K_{3,3} \text{ or } K_6$$K_{3,3} \text{ or } K_5$$K_{2,3} \text{ or } ...
3.9k
views
answered
Jul 26, 2016
Graph Theory
ugcnetcse-dec2013-paper2
graph-theory
non-planar
+
–
2
votes
83
UGC NET CSE | December 2013 | Part 2 | Question: 37
Let f and g be the functions from the set of integers defined by $f(x) = 2x+3$ and $g(x) =3x+2$. Then the composition of f and g and g and f is given as 6x+7, 6x+11 6x+11, 6x+7 5x+5, 5x+5 None of the above
Let f and g be the functions from the set of integers defined by $f(x) = 2x+3$ and $g(x) =3x+2$. Then the composition of f and g and g and f is given as6x+7, 6x+116x+11, ...
6.6k
views
answered
Jul 26, 2016
Set Theory & Algebra
ugcnetcse-dec2013-paper2
algebra
function-composition
+
–
3
votes
84
UGC NET CSE | December 2013 | Part 2 | Question: 33
The sum of products expansion for the function $F(x,y,z)=(x+y)\overline{z}$ is given as $\overline{x}\;\overline{y}z + x y \overline{z} + \overline{x}y \overline{z}$ $xyz+xy\overline{z}+ x\overline{y}\; \overline{z}$ ... $xy\overline{z}+x\overline{y}\;\overline{z}+\overline{x}y\overline{z}$
The sum of products expansion for the function $F(x,y,z)=(x+y)\overline{z}$ is given as$\overline{x}\;\overline{y}z + x y \overline{z} + \overline{x}y \overline{z}$$xyz+x...
6.3k
views
answered
Jul 26, 2016
Digital Logic
ugcnetcse-dec2013-paper2
digital-logic
sum-of-product
+
–
1
votes
85
UGC NET CSE | December 2013 | Part 2 | Question: 31
The dual of a Boolean expression is obtained by interchanging Boolean sums and Boolean products Boolean sums and Boolean products or interchanging $0's$ and $1's$ Boolean sums and Boolean products and interchanging $0's$ and $1's$ Interchanging $0's$ and $1's$
The dual of a Boolean expression is obtained by interchangingBoolean sums and Boolean productsBoolean sums and Boolean products or interchanging $0's$ and $1's$Boolean su...
4.7k
views
answered
Jul 26, 2016
Digital Logic
ugcnetcse-dec2013-paper2
digital-logic
dual-function
+
–
6
votes
86
MADEEASY
Identify from the following the strings generated by grammar rules , {S→ SS, S→(S1, S1→S),S1 →)} A . (()())) B (((())))))( C ()()()()) D (()((())()))
Identify from the following the strings generated by grammar rules , {S→ SS, S→(S1, S1→S),S1 →)}A . (()()))B (((())))))(C ()()()())D (()((())()...
471
views
answered
Jul 25, 2016
11
votes
87
UGC NET CSE | December 2014 | Part 3 | Question: 12
Which of the following is false ? Every binary relation is never be in $BCNF$. Every $BCNF$ relation is in $3NF$. $1 NF, 2 NF, 3 NF$ and $BCNF$ are based on functional dependencies. Multivalued Dependency $(MVD)$ is a special case of Join Dependency $(JD)$
Which of the following is false ? Every binary relation is never be in $BCNF$. Every $BCNF$ relation is in $3NF$. $1 NF, 2 NF, 3 NF$ and $BCNF$ are based on functional de...
5.2k
views
answered
Jul 25, 2016
Databases
ugcnetcse-dec2014-paper3
databases
database-normalization
+
–
12
votes
88
UGC NET CSE | December 2014 | Part 3 | Question: 10
Let $R = ABCDE$ is a relational scheme with functional dependency set $F = \left\{A \rightarrow B, B \rightarrow C, AC \rightarrow D\right\}$. The attribute closures of $A$ and $E$ are $ABCD, \phi$ $ABCD, E$ $\Phi, \phi$ $ABC, E$
Let $R = ABCDE$ is a relational scheme with functional dependency set $F = \left\{A \rightarrow B, B \rightarrow C, AC \rightarrow D\right\}$. The attribute closures of $...
2.7k
views
answered
Jul 25, 2016
Databases
ugcnetcse-dec2014-paper3
databases
database-normalization
+
–
2
votes
89
UGC NET CSE | December 2013 | Part 2 | Question: 22
If the queue is implemented with a linked list, keeping track of a front pointer, which of these pointers will change during an insertion into an non-empty queue? Neither of the pointer change Only front pointer changes Only rear pointer changes Both of the pointer changes
If the queue is implemented with a linked list, keeping track of a front pointer, which of these pointers will change during an insertion into an non-empty queue?Neither ...
6.9k
views
answered
Jul 25, 2016
Programming in C
ugcnetcse-dec2013-paper2
data-structures
linked-list
+
–
3
votes
90
UGC NET CSE | December 2013 | Part 2 | Question: 16
What does the following declaration mean? int (*ptr) [10]; ptr is an array of pointers of 10 integers ptr is a pointer to an array of 10 integers ptr is an array of 10 integers none of the above
What does the following declaration mean? int (*ptr) [10];ptr is an array of pointers of 10 integersptr is a pointer to an array of 10 integersptr is an array of 1...
3.2k
views
answered
Jul 25, 2016
Programming in C
ugcnetcse-dec2013-paper2
programming-in-c
+
–
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