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Recent questions tagged gateit-2007
60
votes
6
answers
61
GATE IT 2007 | Question: 26
Consider $n$ jobs $J_1, J_2 \dots J_n$ such that job $J_i$ has execution time $t_i$ and a non-negative integer weight $w_i$ ... the jobs? Non-decreasing order of $t_i$ Non-increasing order of $w_i$ Non-increasing order of $w_it_i$ Non-increasing order of $w_i/t_i$
Ishrat Jahan
asked
in
Operating System
Oct 29, 2014
by
Ishrat Jahan
14.5k
views
gateit-2007
operating-system
process-scheduling
normal
73
votes
6
answers
62
GATE IT 2007 | Question: 25
What is the largest integer $m$ such that every simple connected graph with $n$ vertices and $n$ edges contains at least $m$ different spanning trees ? $1$ $2$ $3$ $n$
Ishrat Jahan
asked
in
Graph Theory
Oct 29, 2014
by
Ishrat Jahan
21.5k
views
gateit-2007
graph-theory
graph-connectivity
normal
52
votes
11
answers
63
GATE IT 2007 | Question: 24
A depth-first search is performed on a directed acyclic graph. Let $d[u]$ denote the time at which vertex $u$ is visited for the first time and $f[u]$ the time at which the DFS call to the vertex $u$ terminates. Which of the following statements is always TRUE for all edges $(u, v)$ in the graph ? $d[u] < d[v]$ $d[u] < f[v]$ $f[u] < f[v]$ $f[u] > f[v]$
Ishrat Jahan
asked
in
Algorithms
Oct 29, 2014
by
Ishrat Jahan
13.6k
views
gateit-2007
algorithms
graph-algorithm
normal
graph-search
depth-first-search
32
votes
7
answers
64
GATE IT 2007 | Question: 23
A partial order $P$ is defined on the set of natural numbers as follows. Here $\frac{x}{y}$ denotes integer division. $(0, 0) \in P.$ $(a, b) \in P$ if and only if $(a \% 10) \leq (b \% 10$) and $(\frac{a}{10},\frac{b}{10})\in P.$ ... $P$? (i) and (iii) (ii) and (iv) (i) and (iv) (iii) and (iv)
Ishrat Jahan
asked
in
Set Theory & Algebra
Oct 29, 2014
by
Ishrat Jahan
11.3k
views
gateit-2007
set-theory&algebra
partial-order
normal
0
votes
1
answer
65
GATE IT 2007 | Question: 22
The trapezoidal method is used to evaluate the numerical value of $\int_{0}^{1}e^x dx$. Consider the following values for the step size h. 10-2 10-3 10-4 10-5 For which of these values of the step size h, is the computed value guaranteed to be correct ... that there are no round-off errors in the computation. iv only iii and iv only ii, iii and iv only i, ii, iii and iv
Ishrat Jahan
asked
in
Numerical Methods
Oct 29, 2014
by
Ishrat Jahan
1.5k
views
gateit-2007
numerical-methods
trapezoidal-rule
normal
out-of-syllabus-now
42
votes
5
answers
66
GATE IT 2007 | Question: 21
Which one of these first-order logic formulae is valid? $\forall x\left(P\left(x\right) \implies Q\left(x\right)\right) \implies \left(∀xP\left(x\right)\implies \forall xQ\left(x\right)\right)$ ... $\forall x \exists y P\left(x, y\right)\implies \exists y \forall x P\left(x, y\right)$
Ishrat Jahan
asked
in
Mathematical Logic
Oct 29, 2014
by
Ishrat Jahan
10.4k
views
gateit-2007
mathematical-logic
normal
first-order-logic
1
vote
1
answer
67
GATE IT 2007 | Question: 20
Consider the XML document fragment given below: <Book> <Title>GATE 2K7 Example<Title> <Content> One of many lines </Content> <TOC> One of many content entries </TOC> </Book> Consider the XPath ... The Title and Content elements The Content and TOC elements The Title and TOC elements The Title, Content and TOC elements
Ishrat Jahan
asked
in
Web Technologies
Oct 29, 2014
by
Ishrat Jahan
1.2k
views
gateit-2007
xml
out-of-syllabus-now
0
votes
0
answers
68
GATE IT 2007 | Question: 19
Given below are some HTML lines. <img src = "pict.jpg" width = "256" height = "256" border = "0" usemap = "#map" /> <map name = "map" > <area shape = "poly" coords = ... to the web server will result in a GET request. Exactly how many of the statements given above are correct? 0 1 2 3
Ishrat Jahan
asked
in
Web Technologies
Oct 29, 2014
by
Ishrat Jahan
1.4k
views
gateit-2007
web-technologies
html
normal
36
votes
3
answers
69
GATE IT 2007 | Question: 18
A firewall is to be configured to allow hosts in a private network to freely open TCP connections and send packets on open connections. However, it will only allow external hosts to send packets on existing open TCP connections or connections ... be that of A combinational circuit A finite automaton A pushdown automaton with one stack A pushdown automaton with two stacks
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
6.4k
views
gateit-2007
computer-networks
theory-of-computation
normal
network-security
out-of-gate-syllabus
50
votes
3
answers
70
GATE IT 2007 | Question: 17
Exponentiation is a heavily used operation in public key cryptography. Which of the following options is the tightest upper bound on the number of multiplications required to compute $b^n \bmod{m}, 0 \leq b, n \leq m$ ? $O(\log n)$ $O(\sqrt n)$ $O\Biggl (\frac{n}{\log n} \Biggr )$ $O(n)$
Ishrat Jahan
asked
in
Algorithms
Oct 29, 2014
by
Ishrat Jahan
8.9k
views
gateit-2007
algorithms
time-complexity
normal
22
votes
3
answers
71
GATE IT 2007 | Question: 16
The minimum positive integer $p$ such that $3^{p} \pmod {17} = 1$ is $5$ $8$ $12$ $16$
Ishrat Jahan
asked
in
Set Theory & Algebra
Oct 29, 2014
by
Ishrat Jahan
7.3k
views
gateit-2007
set-theory&algebra
normal
number-theory
22
votes
3
answers
72
GATE IT 2007 | Question: 15
Consider the following two statements: A hash function (these are often used for computing digital signatures) is an injective function. A. encryption technique such as DES performs a permutation on the elements of its input alphabet. Which one of the following options ... (i) is true and the other is false Statement (ii) is true and the other is false Both are true
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
8.0k
views
gateit-2007
computer-networks
network-security
normal
out-of-gate-syllabus
42
votes
4
answers
73
GATE IT 2007 | Question: 14
Consider a $TCP$ connection in a state where there are no outstanding $ACK$s. The sender sends two segments back to back. The sequence numbers of the first and second segments are $230$ and $290$ respectively. The first segment was lost, but the second segment was received correctly ... $Y$ (in that order) are $60$ and $290$ $230$ and $291$ $60$ and $231$ $60$ and $230$
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
10.4k
views
gateit-2007
computer-networks
tcp
normal
33
votes
5
answers
74
GATE IT 2007 | Question: 13
Consider the following statements about the timeout value used in TCP. The timeout value is set to the RTT (Round Trip Time) measured during TCP connection establishment for the entire duration of the connection. Appropriate RTT estimation algorithm is used to set the timeout value of a TCP ... $(ii)$ are false, but $(iii)$ is true $(i), (ii)$ and $(iii)$ are false
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
11.4k
views
gateit-2007
computer-networks
tcp
normal
44
votes
4
answers
75
GATE IT 2007 | Question: 12
The address sequence generated by tracing a particular program executing in a pure demand paging system with $100$ bytes per page is $\text{0100, 0200, 0430, 0499, 0510, 0530, 0560, 0120, 0220, 0240, 0260, 0320, 0410.}$ Suppose that the memory can store only one page and ... to $\text{x + 99}$ are loaded on to the memory. How many page faults will occur? $0$ $4$ $7$ $8$
Ishrat Jahan
asked
in
Operating System
Oct 29, 2014
by
Ishrat Jahan
15.0k
views
gateit-2007
operating-system
virtual-memory
page-replacement
normal
54
votes
7
answers
76
GATE IT 2007 | Question: 11
Let a memory have four free blocks of sizes $4k$, $8k$, $20k$, $2k$ ... $J7$ will be completed will be $16$ $19$ $20$ $37$
Ishrat Jahan
asked
in
Operating System
Oct 29, 2014
by
Ishrat Jahan
19.3k
views
gateit-2007
operating-system
memory-management
normal
32
votes
3
answers
77
GATE IT 2007 | Question: 10
Processes $P1$ and $P2$ use critical_flag in the following routine to achieve mutual exclusion. Assume that critical_flag is initialized to FALSE in the main program. get_exclusive_access ( ) { if (critical _flag == FALSE) { critical_flag = TRUE ; critical_region () ; critical_flag = ... Both (i) and (ii) are false (i) is true (ii) is false Both (i) and (ii) are true
Ishrat Jahan
asked
in
Operating System
Oct 29, 2014
by
Ishrat Jahan
11.2k
views
gateit-2007
operating-system
process-synchronization
normal
33
votes
3
answers
78
GATE IT 2007 | Question: 9
Consider an ambiguous grammar $G$ and its disambiguated version $D.$ Let the language recognized by the two grammars be denoted by $L(G)$ and $L(D)$ respectively. Which one of the following is true? $L (D) ⊂ L (G)$ $L (D) ⊃ L (G)$ $L (D) = L (G)$ $L (D)$ is empty
Ishrat Jahan
asked
in
Compiler Design
Oct 29, 2014
by
Ishrat Jahan
6.6k
views
gateit-2007
compiler-design
grammar
normal
27
votes
2
answers
79
GATE IT 2007 | Question: 8
The following circuit implements a two-input AND gate using two $2-1$ multiplexers. What are the values of $X_1, X_2, X_3$? $X_1 = b, X_2 = 0, X_3 = a$ $X_1 = b, X_2 = 1, X_3 = b$ $X_1 = a, X_2 = b, X_3 = 1$ $X_1 = a, X_2 = 0, X_3 = b$
Ishrat Jahan
asked
in
Digital Logic
Oct 29, 2014
by
Ishrat Jahan
7.4k
views
gateit-2007
digital-logic
normal
multiplexer
47
votes
5
answers
80
GATE IT 2007 | Question: 7
Which of the following input sequences for a cross-coupled $R-S$ flip-flop realized with two $NAND$ gates may lead to an oscillation? $11, 00$ $01, 10$ $10, 01$ $00, 11$
Ishrat Jahan
asked
in
Digital Logic
Oct 29, 2014
by
Ishrat Jahan
22.3k
views
gateit-2007
digital-logic
normal
flip-flop
41
votes
6
answers
81
GATE IT 2007 | Question: 6, ISRO2011-25
A processor takes $12$ cycles to complete an instruction I. The corresponding pipelined processor uses $6$ stages with the execution times of $3, 2, 5, 4, 6$ and $2$ cycles respectively. What is the asymptotic speedup assuming that a very large number of instructions are to be executed? $1.83$ $2$ $3$ $6$
Ishrat Jahan
asked
in
CO and Architecture
Oct 29, 2014
by
Ishrat Jahan
13.3k
views
gateit-2007
co-and-architecture
pipelining
normal
isro2011
5
votes
2
answers
82
GATE IT 2007 | Question: 5
Which of the following systems is a most likely candidate example of a pipe and filter architecture ? Expert system DB repository Aircraft flight controller Signal processing
Ishrat Jahan
asked
in
IS&Software Engineering
Oct 29, 2014
by
Ishrat Jahan
2.0k
views
gateit-2007
is&software-engineering
normal
5
votes
2
answers
83
GATE IT 2007 | Question: 4, ISRO2016-66
In the Spiral model of software development, the primary determinant in selecting activities in each iteration is Iteration size Cost Adopted process such as Rational Unified Process or Extreme Programming Risk
Ishrat Jahan
asked
in
IS&Software Engineering
Oct 29, 2014
by
Ishrat Jahan
6.2k
views
gateit-2007
is&software-engineering
spiral-model
normal
isro2016
34
votes
4
answers
84
GATE IT 2007 | Question: 3, UGCNET-June2012-III: 34
Consider a weighted, undirected graph with positive edge weights and let $uv$ be an edge in the graph. It is known that the shortest path from the source vertex $s$ to $u$ has weight 53 and the shortest path from $s$ to $v$ has weight 65. Which one of the ... $(u,v) \leq 12$ Weight $(u,v) = 12$ Weight $(u,v) \geq 12$ Weight $(u,v) > 12$
Ishrat Jahan
asked
in
Algorithms
Oct 29, 2014
by
Ishrat Jahan
11.4k
views
gateit-2007
algorithms
graph-algorithms
normal
ugcnetcse-june2012-paper3
61
votes
8
answers
85
GATE IT 2007 | Question: 2
Let $A$ be the matrix $\begin{bmatrix}3 &1 \\ 1&2\end{bmatrix}$. What is the maximum value of $x^TAx$ where the maximum is taken over all $x$ that are the unit eigenvectors of $A?$ $5$ $\frac{(5 + √5)}{2}$ $3$ $\frac{(5 - √5)}{2}$
Ishrat Jahan
asked
in
Linear Algebra
Oct 29, 2014
by
Ishrat Jahan
16.2k
views
gateit-2007
linear-algebra
eigen-value
normal
20
votes
4
answers
86
GATE IT 2007 | Question: 1
Suppose there are two coins. The first coin gives heads with probability $\dfrac{5}{8}$ when tossed, while the second coin gives heads with probability $\dfrac{1}{4}.$ One of the two coins is picked up at random with equal probability and tossed. What is the probability of ... $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{7}{16}\right)$ $\left(\dfrac{5}{32}\right)$
Ishrat Jahan
asked
in
Probability
Oct 29, 2014
by
Ishrat Jahan
4.3k
views
gateit-2007
probability
normal
binomial-distribution
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