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Recent activity by Rahul Jain25
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1
answer
1
What does the following code do?
answered
Jul 4
in
Programming

42
views
selfmade
algorithms
binarytree
4
answers
2
ISRO201749
The number of swappings needed to sort the numbers 8 , 22, 7, 9, 31, 5, 13 in ascending order using bubble sort is 11 12 13 10
answered
May 7
in
Algorithms

986
views
isro2017
algorithms
sorting
1
answer
3
ISRO201740
XPath is used to navigate through elements and attributes in XSL document XML document XHTML document XQuery document
answered
May 7
in
Web Technologies

687
views
isro2017
webtechnologies
nongate
3
answers
4
Geometry_aptitude
I tried solving it by enumerating all the paths and got ans 12.Can anyone provide some formula for this ?
commented
Apr 13
in
Numerical Ability

65
views
1
answer
5
Rosen (proposition logic)
The nth statement in a list of 100 statements is “Exactly n of the statements in this list are false.” a) What conclusions can you draw from these statements? b) Answer part (a) if the nth statement is “At least n of the statements in this list are false.” c) Answer part (b) assuming that the list contains 99 statements.
answered
Mar 25
in
Mathematical Logic

64
views
1
answer
6
ace mock 6
which of the following methods will be the best if number of swappings done, is the only measure of efficiency? A) Bubble sort B) Selection sort C) Insertion sort D) Quick sort
commented
Mar 20
in
Algorithms

49
views
2
answers
7
Bridges
Which of the following are not true? I. Only gateway can be used to connect different protocol networks II. Gateway occur at all layers. III. Bridge and switch some times occur in network layer also IV. Repeater occur at both physical layer and data link layer. A)Only I and IV B)Only II, III and IV C)Only III and IV D)Only I, II and III
commented
Mar 19
in
Computer Networks

143
views
3
answers
8
Arun SharmaTime Speed Distance
answered
Mar 19
in
Verbal Ability

559
views
speedtimedistance
0
answers
9
Network layer
Consider three IP networks A, B and C. Host HA in networks A sends messages each containing 180 bytes of application data to a host HC in network C. The TCP layer prefixes a 20 byte header to the message. This passes through an intermediate ... Ignore errors, acknowledgements, and other overheads. A)325.5 Kbps B)354.5 Kbps C)409.6 Kbps D)512.0 Kbps
closed
Mar 18
in
Computer Networks

40
views
1
answer
10
NPTELOperating System,Week2Quiz2Q5
commented
Mar 18
in
Operating System

162
views
nptelquiz
operatingsystem
1
answer
11
starvation
I'm looking for an explanation for this Since no bounded waiting means a process waits while others can enter the system hence that process is starving and starvation freedom implies no process should starve for a long amount of time (not ... not true no starvation => bounded waiting I think I might be missing something so can you please highlight that
commented
Mar 18
in
Operating System

139
views
operatingsystem
deadlock
1
answer
12
C language
#include <stdio.h> #define R 10 #define C 20 int main() { int (p)[R][C]; printf("%d", sizeof(p)); printf("\n%d",sizeof(*p)); printf("\n%d",sizeof(**p)); getchar(); return 0; } i m thinking output is 4, 800, 4 ?? any body explain it??
answered
Mar 16
in
Programming

77
views
2
answers
13
probability
There are four machines and it is known that exactly two of them are faulty .They are tested one by one in a random order till both the faulty machines are identified ,then the probability that only two tests are needed ?
commented
Mar 16
in
Probability

124
views
discretemathematics
probability
1
answer
14
probability
There are $N$ persons sitting in a row. Two of them are selected at random.The probability that two selected persons are not together ?
commented
Mar 16
in
Probability

112
views
discretemathematics
probability
1
answer
15
gatebook
How many ways are there for arranging letters of the word AMAZING such that the 'I' appears between the two 'A's? (A) 5! ways (B) 7! ways (C) 8! ways (D) 4! ways Note: AMZIA is valid and AIA is also valid right?
commented
Mar 16
in
Numerical Ability

169
views
gatebook
permutationsandcombinations
2
answers
16
doubt
shouldn't be answer "4" short term scheduler?
answer selected
Mar 16
in
Operating System

71
views
operatingsystem
1
answer
17
doubt
By using RSA algo find the values of decryption key(D) when n=77,encryption key(E)=7 A)50 B)37 C)43 D)56
answer selected
Mar 16
in
Computer Networks

45
views
computernetworks
1
answer
18
Probability
The probability that a student knows the correct answer to a multiple choice question is 2/3. If the student doesn't know the answer then the student guess the answer. The probability of the guess answer is being correct is 1/4.given that student has answer the questions correctly, the conditional probability that the student knows the correct answer is
answer selected
Mar 14
in
Mathematical Logic

91
views
probability
1
answer
19
ISRO 2015 Ripple Counter [EE]
A 4 bit module 16 ripple counter uses JK F/F. If the propagation delay of each F/F is 50 nano seconds, the maximum clock frequency that can be used is equal to (a) 20 MHz (b) 5 MHz (c) 10 MHz (d) 4 MHz
answer selected
Mar 13
in
Digital Logic

146
views
isro
isroee
digitallogic
1
answer
20
gatebook mt2
A certain pipelined RISC machine has 8 generalpurpose registers R0, R1, . . . , R7 and supports the following operations. ADD Rs1, Rs2, Rd /* Add Rs1 to Rs2 and put the sum in Rd */ MUL Rs1, Rs2, Rd /* Multiply Rs1 by Rs2 and put the product in ... cycles required for an operation sequence that computes the value of AB + ABC + BC ? (A) 5 (B) 6 (C) 7 (D) 8
commented
Mar 11
in
CO & Architecture

230
views
machineinstructions
co&architecture
clockfrequency
1
answer
21
ISRO 2013 probability [EE]
Ten percent of screws produced in a certain factory turn out to be defective. Find the probability that in a sample of 10 screws chosen at random, exactly two will be defective. a) 0.2 b) 0.25 c) 0.8 d) 0.3 79.
commented
Mar 11
in
Probability

155
views
isro
isroee
probability
1
answer
22
ISRO 2013 Quadractic equation [EE]
answer selected
Mar 11
in
Linear Algebra

228
views
isro
engineeringmathematics
1
answer
23
ISRO 2014 Complex Numbers [EE]
answer edited
Mar 11
in
Linear Algebra

72
views
isro
isroee
engineeringmathematics
2
answers
24
ISRO 2015 Complex Numbers [EE]
answer selected
Mar 10
in
Linear Algebra

113
views
isro
isroee
engineeringmathematics
1
answer
25
ISRO 2015 Differential equation [EE]
answered
Mar 10
in
Calculus

145
views
isro
isroee
engineeringmathematics
1
answer
26
ISRO 2014 Quadratic Equation [EE]
answered
Mar 10
in
Linear Algebra

64
views
isro
isroee
engineeringmathematics
1
answer
27
ISRO 2014 probability [EE]
80. A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is (A) 140 (B) 196 (C) 280 (D) 346
answered
Mar 10
in
Probability

137
views
isro
isroee
engineeringmathematics
probability
4
answers
28
ISRO 2015 Truth table [EE]
The truth table X Y F 0 0 0 0 1 0 1 0 1 1 1 1 Represent the Boolean function (a) X (b) X  Y (c) X +Y (d) Y
answered
Mar 10
in
Digital Logic

110
views
isro
isroee
2
answers
29
ISRO 2015  Johnson counter [EE]
answered
Mar 10
in
Digital Logic

146
views
isro
digitallogic
isroee
2
answers
30
ISRO201363
Consider the following $C$ code. #include <stdio.h> #include <math.h> void main () { double pi = 3.1415926535; int a = 1; int i; for (i=0; i < 3; i++) if (a = cos(pi * i/2)) printf("% d", 1); else printf("%d", 0); } What would the program print? $000$ $010$ $101$ $111$
comment edited
Mar 10
in
Programming

1k
views
isro2013
programminginc
identifyfunction
programoutput
2
answers
31
ISRO 2013 Calculus [Mech]
Lim x $\rightarrow$0 $\frac{x^{2}+ x  Sin x}{x^{2}}$ (a) 0 (b) ∞ (c) 1 (d) None of these
answer selected
Mar 8
in
Calculus

70
views
engineeringmathematics
isromech
isro
1
answer
32
ISRO 2012 Probability [Mech]
The probability that A happens is 1/3. the odds against happening A are: a) 2:1 b) 3:2 c) 1:2 d) 2:3
answer selected
Mar 7
in
Probability

96
views
engineeringmathematics
isro
isromech
1
answer
33
ISRO 2016 Vectors [Mech]
The sine of the angle between the two vectors a = 3i + j + k and b = 2i 2j + k is (a) √ (74/99) (b) √ (25/99) (c) √ (37/99) (d) √ (5/99)
answer selected
Mar 7
in
Linear Algebra

49
views
engineeringmathematics
isro
isromech
1
answer
34
ISRO 2015 Conic sections [Mech]
answered
Mar 7
in
Linear Algebra

41
views
engineeringmathematics
isro
isromech
1
answer
35
ISRO 2014 vector {mech}
Angle made between vector C = 2i 3j+ 4k and the Zaxis is a) 4 /√29 b) sin  1 4 /√29 c) cos 1 4 /√29 d) tan 1 4 /√29
answered
Mar 7
in
Linear Algebra

33
views
engineeringmathematics
isro
isromech
1
answer
36
ISRO 2012 Mech Engineering mathematics Cross product
answered
Mar 7
in
Linear Algebra

36
views
isro
isromech
engineeringmathematics
2
answers
37
ISRO 2012: MEch Probability
Let E and F be any two events with P(E U F)= 0.8, P(E) = 0.4 and P (E/ F) = 0.3. Then P (F) is (a) 3/7 (b) 4/7 (c) 3/5 (d) 2/5
answered
Mar 7
in
Probability

69
views
engineeringmathematics
isro
isromech
1
answer
38
ISRO 2012 Mech Mean of Numbers
answer selected
Mar 7
in
Linear Algebra

36
views
engineeringmathematics
isro
isromech
1
answer
39
ISRO 2012: Mech Complex Numbers
answer selected
Mar 7
in
Linear Algebra

40
views
engineeringmathematics
isro
isromech
1
answer
40
ISRO2013ECE Digital Logic
What is the frequency and duty cycle of output Y, when CLK frequency is 1MHz @ 50% duty cyle? a) 500 KHz @ 50% duty cycle b) 500 KHz @ 25% duty cycle c) 250 KHz @ 50% duty cycle d) 250 KHz @ 25% duty cycle
commented
Mar 6
in
Digital Logic

210
views
isro2013ece
isro
digitallogic
24,796
questions
31,868
answers
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comments
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