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Recent questions tagged gate2004
+2
votes
0
answers
1
previous year
Consider a parity check code with three data bits and four parity check bits. Three of the code words are 0101011, 1001101 and 1110001. Which of the following are also code words? 0010111 0110110 1011010 0111010 plz give the solution in detail I and III I, II and III II and IV I, II, III and IV
asked
Apr 5, 2017
in
Computer Networks
by
Prince Kumar 1
(
389
points)

179
views
gate2004
+35
votes
3
answers
2
GATE200457
Consider three IP networks $A, B$ and $C$. Host $H_A$ in network $A$ sends messages each containing $180$ $bytes$ of application data to a host $H_C$ in network $C$. The TCP layer prefixes $20$ byte header to the message. This passes through an intermediate network $B$. The ... other overheads. $325.5$ $\text{Kbps}$ $354.5$ $\text{Kbps}$ $409.6$ $\text{Kbps}$ $512.0$ $\text{Kbps}$
asked
Apr 24, 2016
in
Computer Networks
by
jothee
Veteran
(
105k
points)

6k
views
gate2004
computernetworks
ipv4
tcp
normal
+39
votes
4
answers
3
GATE200464
Consider the following program segment for a hypothetical CPU having three user registers $R_1, R_2$ and $R_3.$ \begin{array}{llc} \hline \text {Instruction} & \text{Operation }& \text{Instruction size (in Words)} \\\hline \text{MOV $R_1,5000$} & ... clock cycles }\\\hline \end{array} The total number of clock cycles required to execute the program is $29$ $24$ $23$ $20$
asked
Apr 24, 2016
in
CO and Architecture
by
jothee
Veteran
(
105k
points)

6.4k
views
gate2004
coandarchitecture
machineinstructions
normal
+31
votes
3
answers
4
GATE200410
Consider the grammar rule $E \rightarrow E1  E2$ for arithmetic expressions. The code generated is targeted to a CPU having a single user register. The subtraction operation requires the first operand to be in the register. If $E1$ and $E2$ do not have any ... first Evaluation of $E1$ and $E2$ should necessarily be interleaved Order of evaluation of $E1$ and $E2$ is of no consequence
asked
Nov 12, 2014
in
Compiler Design
by
Vikrant Singh
Boss
(
13.6k
points)

3.6k
views
gate2004
compilerdesign
targetcodegeneration
normal
+19
votes
4
answers
5
GATE200490
Choose the best matching between the programming styles in Group 1 and their characteristics in Group 2. ... $P3\quad Q4 \quad R1\quad S2$ $P3\quad Q4\quad R2\quad S1$
asked
Sep 19, 2014
in
Programming
by
Kathleen
Veteran
(
52.2k
points)

1.6k
views
gate2004
programming
normal
programmingparadigms
+34
votes
1
answer
6
GATE200489
$L_1$ is a recursively enumerable language over $\Sigma$. An algorithm $A$ effectively enumerates its words as $\omega_1, \omega_2, \omega_3, \dots .$ Define another language $L_2$ over $\Sigma \cup \left\{\text{#}\right\}$ ... are true $S_1$ is true but $S_2$ is not necessarily true $S_2$ is true but $S_1$ is not necessarily true Neither is necessarily true
asked
Sep 19, 2014
in
Theory of Computation
by
Kathleen
Veteran
(
52.2k
points)

4.2k
views
gate2004
theoryofcomputation
turingmachine
difficult
+17
votes
2
answers
7
GATE200488
Consider the following grammar G: $S \rightarrow bS \mid aA \mid b$ $A \rightarrow bA \mid aB$ $B \rightarrow bB \mid aS \mid a$ Let $N_a(w)$ and $N_b(w)$ denote the number of a's and b's in a string $\omega$ respectively. The language $L(G)$ over $\left\{a, b\right\}^+$ generated ... $\left\{w \mid N_b(w) = 3k, k \in \left\{0, 1, 2, \right\}\right\}$
asked
Sep 19, 2014
in
Compiler Design
by
Kathleen
Veteran
(
52.2k
points)

1.7k
views
gate2004
compilerdesign
grammar
normal
+17
votes
4
answers
8
GATE200487
The language $\left\{a^mb^nc^{m+n} \mid m, n \geq1\right\}$ is regular contextfree but not regular contextsensitive but not context free type0 but not context sensitive
asked
Sep 19, 2014
in
Theory of Computation
by
Kathleen
Veteran
(
52.2k
points)

1.2k
views
gate2004
theoryofcomputation
normal
identifyclasslanguage
+22
votes
3
answers
9
GATE200486
The following finite state machine accepts all those binary strings in which the number of $1$’s and $0$’s are respectively: divisible by $3$ and $2$ odd and even even and odd divisible by $2$ and $3$
asked
Sep 19, 2014
in
Theory of Computation
by
Kathleen
Veteran
(
52.2k
points)

1.6k
views
gate2004
theoryofcomputation
finiteautomata
easy
+54
votes
7
answers
10
GATE200485
A program takes as input a balanced binary search tree with $n$ leaf nodes and computes the value of a function $g(x)$ for each node $x$. If the cost of computing $g(x)$ is: $\Large \min \left ( \substack{\text{number of leafnodes}\\\text{in leftsubtree of $ ... worstcase time complexity of the program is? $\Theta (n)$ $\Theta (n \log n)$ $\Theta(n^2)$ $\Theta (n^2\log n)$
asked
Sep 19, 2014
in
DS
by
Kathleen
Veteran
(
52.2k
points)

9.1k
views
gate2004
binarysearchtree
normal
datastructures
+27
votes
7
answers
11
GATE200484
The recurrence equation $ T(1) = 1$ $T(n) = 2T(n1) + n, n \geq 2$ evaluates to $2^{n+1}  n  2$ $2^n  n$ $2^{n+1}  2n  2$ $2^n + n $
asked
Sep 19, 2014
in
Algorithms
by
Kathleen
Veteran
(
52.2k
points)

5.3k
views
gate2004
algorithms
recurrence
normal
+18
votes
5
answers
12
GATE200483, ISRO201540
The time complexity of the following C function is (assume $n > 0$) int recursive (int n) { if(n == 1) return (1); else return (recursive (n1) + recursive (n1)); } $O(n)$ $O(n \log n)$ $O(n^2)$ $O(2^n)$
asked
Sep 19, 2014
in
Algorithms
by
Kathleen
Veteran
(
52.2k
points)

5.3k
views
gate2004
algorithms
recurrence
timecomplexity
normal
isro2015
+44
votes
12
answers
13
GATE200482
Let $A[1,\ldots,n]$ be an array storing a bit ($1$ or $0$) at each location, and $f(m)$ is a function whose time complexity is $\Theta(m)$. Consider the following program fragment written in a C like language: counter = 0; for (i=1; i<=n; i++) { if a[i] == 1) ... ;} } The complexity of this program fragment is $\Omega(n^2)$ $\Omega (n\log n) \text{ and } O(n^2)$ $\Theta(n)$ $o(n)$
asked
Sep 19, 2014
in
Algorithms
by
Kathleen
Veteran
(
52.2k
points)

6.6k
views
gate2004
algorithms
timecomplexity
normal
+32
votes
7
answers
14
GATE200481
Let $G_1=(V,E_1)$ and $G_2 =(V,E_2)$ be connected graphs on the same vertex set $V$ with more than two vertices. If $G_1 \cap G_2= (V,E_1\cap E_2)$ is not a connected graph, then the graph $G_1\cup G_2=(V,E_1\cup E_2)$ cannot have a cut vertex must have a cycle must have a cutedge (bridge) has chromatic number strictly greater than those of $G_1$ and $G_2$
asked
Sep 19, 2014
in
Algorithms
by
Kathleen
Veteran
(
52.2k
points)

3.4k
views
gate2004
algorithms
graphalgorithms
normal
+13
votes
3
answers
15
GATE200480
A point is randomly selected with uniform probability in the $XY$ plane within the rectangle with corners at $(0,0), (1,0), (1,2)$ and $(0,2).$ If $p$ is the length of the position vector of the point, the expected value of $p^{2}$ is $\left(\dfrac{2}{3}\right)$ $\quad 1$ $\left(\dfrac{4}{3}\right)$ $\left(\dfrac{5}{3}\right)$
asked
Sep 19, 2014
in
Probability
by
Kathleen
Veteran
(
52.2k
points)

2.9k
views
gate2004
probability
uniformdistribution
expectation
normal
+46
votes
4
answers
16
GATE200479
How many graphs on $n$ labeled vertices exist which have at least $\frac{(n^2  3n)}{ 2}$ edges ? $^{\left(\frac{n^2n}{2}\right)}C_{\left(\frac{n^23n} {2}\right)}$ $^{{\large\sum\limits_{k=0}^{\left (\frac{n^23n}{2} \right )}}.\left(n^2n\right)}C_k\\$ $^{\left(\frac{n^2n}{2}\right)}C_n\\$ $^{{\large\sum\limits_{k=0}^n}.\left(\frac{n^2n}{2}\right)}C_k$
asked
Sep 19, 2014
in
Graph Theory
by
Kathleen
Veteran
(
52.2k
points)

4.8k
views
gate2004
graphtheory
permutationandcombination
normal
counting
+15
votes
4
answers
17
GATE200478
Two $n$ bit binary strings, $S_1$ and $S_2$ are chosen randomly with uniform probability. The probability that the Hamming distance between these strings (the number of bit positions where the two strings differ) is equal to $d$ is $\dfrac{^{n}C_{d}}{2^{n}}$ $\dfrac{^{n}C_{d}}{2^{d}}$ $\dfrac{d}{2^{n}}$ $\dfrac{1}{2^{d}}$
asked
Sep 19, 2014
in
Probability
by
Kathleen
Veteran
(
52.2k
points)

2.1k
views
gate2004
probability
normal
uniformdistribution
+25
votes
5
answers
18
GATE200477
The minimum number of colours required to colour the following graph, such that no two adjacent vertices are assigned the same color, is $2$ $3$ $4$ $5$
asked
Sep 19, 2014
in
Graph Theory
by
Kathleen
Veteran
(
52.2k
points)

2.6k
views
gate2004
graphtheory
graphcoloring
easy
+19
votes
2
answers
19
GATE200476
In an $M \times N$ matrix all nonzero entries are covered in $a$ rows and $b$ columns. Then the maximum number of nonzero entries, such that no two are on the same row or column, is $\leq a +b$ $\leq \max(a, b)$ $\leq \min(Ma, Nb)$ $\leq \min(a, b)$
asked
Sep 19, 2014
in
Linear Algebra
by
Kathleen
Veteran
(
52.2k
points)

3.1k
views
gate2004
linearalgebra
normal
matrices
+37
votes
5
answers
20
GATE200475
Mala has the colouring book in which each English letter is drawn two times. She wants to paint each of these $52$ prints with one of $k$ colours, such that the colour pairs used to colour any two letters are different. Both prints of a letter can also be coloured with the same colour. What is the minimum value of $k$ that satisfies this requirement? $9$ $8$ $7$ $6$
asked
Sep 19, 2014
in
Combinatory
by
Kathleen
Veteran
(
52.2k
points)

4.2k
views
gate2004
permutationandcombination
+15
votes
3
answers
21
GATE200474
An examination paper has $150$ multiple choice questions of one mark each, with each question having four choices. Each incorrect answer fetches $0.25$ marks. Suppose $1000$ students choose all their answers randomly with uniform probability. The sum total of the expected marks obtained by all these students is $0$ $2550$ $7525$ $9375$
asked
Sep 19, 2014
in
Probability
by
Kathleen
Veteran
(
52.2k
points)

2.4k
views
gate2004
probability
expectation
normal
+28
votes
7
answers
22
GATE200473
The inclusion of which of the following sets into $S = \left\{ \left\{1, 2\right\}, \left\{1, 2, 3\right\}, \left\{1, 3, 5\right\}, \left\{1, 2, 4\right\}, \left\{1, 2, 3, 4, 5\right\} \right\} $ is necessary and sufficient to make $S$ a complete lattice under the partial order defined by set containment ... $\{1\}, \{1, 3\}$ $\{1\}, \{1, 3\}, \{1, 2, 3, 4\}, \{1, 2, 3, 5\}$
asked
Sep 19, 2014
in
Set Theory & Algebra
by
Kathleen
Veteran
(
52.2k
points)

3.1k
views
gate2004
settheory&algebra
partialorder
normal
+24
votes
2
answers
23
GATE200472
The following is the incomplete operation table of a $4$ ... The last row of the table is $c\;a\;e\; b$ $c\; b\; a\; e$ $c\; b\; e\; a$ $c\; e\; a\; b$
asked
Sep 19, 2014
in
Set Theory & Algebra
by
Kathleen
Veteran
(
52.2k
points)

1.8k
views
gate2004
settheory&algebra
grouptheory
normal
+15
votes
3
answers
24
GATE200471
How many solutions does the following system of linear equations have? $x + 5y = 1$ $x  y = 2$ $x + 3y = 3$ infinitely many two distinct solutions unique none
asked
Sep 19, 2014
in
Linear Algebra
by
Kathleen
Veteran
(
52.2k
points)

1.9k
views
gate2004
linearalgebra
systemofequations
normal
+22
votes
1
answer
25
GATE200470
The following propositional statement is $\left(P \implies \left(Q \vee R\right)\right) \implies \left(\left(P \wedge Q \right)\implies R\right)$ satisfiable but not valid valid a contradiction None of the above
asked
Sep 19, 2014
in
Mathematical Logic
by
Kathleen
Veteran
(
52.2k
points)

1.8k
views
gate2004
mathematicallogic
normal
propositionallogic
+25
votes
4
answers
26
GATE200469
A 4stage pipeline has the stage delays as $150$, $120$, $160$ and $140$ $nanoseconds$, respectively. Registers that are used between the stages have a delay of $5$ $nanoseconds$ each. Assuming constant clocking rate, the total time taken to process $1000$ data ... will be: $\text{120.4 microseconds}$ $\text{160.5 microseconds}$ $\text{165.5 microseconds}$ $\text{590.0 microseconds}$
asked
Sep 19, 2014
in
CO and Architecture
by
Kathleen
Veteran
(
52.2k
points)

4.4k
views
gate2004
coandarchitecture
pipelining
normal
+32
votes
8
answers
27
GATE200468
A hard disk with a transfer rate of $10$ Mbytes/second is constantly transferring data to memory using DMA. The processor runs at $600$ MHz, and takes $300$ and $900$ clock cycles to initiate and complete DMA transfer respectively. If the size of the transfer is $20$ Kbytes, what is the percentage of processor time consumed for the transfer operation? $5.0 \%$ $1.0\%$ $0.5\%$ $0.1\%$
asked
Sep 19, 2014
in
CO and Architecture
by
Kathleen
Veteran
(
52.2k
points)

8.7k
views
gate2004
dma
normal
coandarchitecture
+28
votes
1
answer
28
GATE200467
The microinstructions stored in the control memory of a processor have a width of $26$ bits. Each microinstruction is divided into three fields: a microoperation field of $13$ bits, a next address field $(X),$ and a MUX select field $(Y).$ There are $8$ status bits in the input of ... size of the control memory in number of words? $10, 3, 1024$ $8, 5, 256$ $5, 8, 2048$ $10, 3, 512$
asked
Sep 19, 2014
in
CO and Architecture
by
Kathleen
Veteran
(
52.2k
points)

4.3k
views
gate2004
coandarchitecture
microprogramming
normal
+15
votes
4
answers
29
GATE200466
Let $A = 1111 1010$ and $B = 0000 1010$ be two $8bit$ $2’s$ complement numbers. Their product in $2’s$ complement is $1100 0100$ $1001 1100$ $1010 0101$ $1101 0101$
asked
Sep 19, 2014
in
Digital Logic
by
Kathleen
Veteran
(
52.2k
points)

3.8k
views
gate2004
digitallogic
numberrepresentation
easy
+11
votes
3
answers
30
GATE200465
Consider a small twoway setassociative cache memory, consisting of four blocks. For choosing the block to be replaced, use the least recently used (LRU) scheme. The number of cache misses for the following sequence of block addresses is: $8, 12, 0, 12, 8$. $2$ $3$ $4$ $5$
asked
Sep 19, 2014
in
CO and Architecture
by
Kathleen
Veteran
(
52.2k
points)

4.5k
views
gate2004
coandarchitecture
cachememory
normal
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