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Answers by Kapil
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+3
votes
1
combinatorics
In how many ways 8 different shirts can be distributed to 4 different people so that each will get 2 shirts?
answered
Apr 28
in
Combinatory

66
views
discretemathematics
#combinations
+4
votes
2
rosen discrete
How many strings of six lowercase letters of the English alphabet contain exactly two vowel?
answered
Apr 19
in
Combinatory

56
views
kennethrosen
discretemathematics
combinatorics
combinations
+4
votes
3
The intersection of a context free language and a regular language
answered
Apr 16
in
Theory of Computation

140
views
+4
votes
4
Gilbert Strang Problem set 1.3
Choose a coefficient b that makes this system singular. Then choose a righthand side g that makes it solvable. Find two solutions in that singular case. $2x +by = 16$ $4x + 8y = g$
answered
Apr 12
in
Linear Algebra

45
views
linearalgebra
gilbertstrang
+7
votes
5
GATEBOOK TEST
1 +2(1/2) +3(1/4)+ 4(1/8)+ .............. = ? getting 2 please check
answered
Apr 10
in
Numerical Ability

88
views
+7
votes
6
C programming  Output ?
#include <stdio.h> int main() { unsigned char a = 5; a = (1<<((sizeof(char)<<3)1)); char b = a; printf("%d %d\n",b,a); printf("%u %u\n",b,a); } If the size of a char datatype is 1 Byte, then what will be the output? [Edited]
answered
Apr 10
in
Programming

164
views
programminginc
+3
votes
7
cil2017 Q87
answered
Apr 9
in
Databases

45
views
cil2017
databases
losslessjoin
functionaldependencies
+4
votes
8
K&R BOOK
I have learnt that order of function call of f1() and f2() is compiler dependent from K&R book.Why precedence and associavity does not work in this case ?? Please clarify in details . #include<stdio.h> int x = 0; int f1() { x = 5; return x; } int f2() { x = 10; return x; } int main() { int p = f1() + f2(); printf("%d ", x); return 0; }
answered
Apr 2
in
Programming

129
views
programminginc
+2
votes
9
GATE200362
In a permutation \(a_1 ... a_n\), of n distinct integers, an inversion is a pair \((a_i, a_j)\) such that \(i < j\) and \(a_i > a_j\). What would be the worst case time complexity of the Insertion Sort algorithm, if the inputs are restricted to permutations ... most $n$ inversions? \(\Theta(n^2)\) \(\Theta(n\log n)\) \(\Theta(n^{1.5})\) \(\Theta(n)\)
answered
Apr 1
in
Algorithms

733
views
gate2003
algorithms
sorting
expectation
normal
+6
votes
10
CSMA/CD
answered
Mar 14
in
Computer Networks

81
views
computernetworks
csmacd
ethernet
+5
votes
11
float vs double
Program 1: #include<stdio.h> int main() { float x = 0.1; if (x == 0.1) printf("IF"); else if (x == 0.1f) printf("ELSE IF"); else printf("ELSE"); } The output of above program is ... weird output and is there any way to predict these outputs on the same processor. Also how comparison is done of two variables in C ?
answered
Mar 11
in
Programming

194
views
programminginc
ieeerepresentation
undefinedbehaviour
+5
votes
12
GATE201717
The nbit fixedpoint representation of an unsigned real number $X$ uses $f$ bits for the fraction part. Let $i = nf$. The range of decimal values for $X$ in this representation is (A) $2^{f}$ to $2^{i}$ (B) $2^{f}$ to $\left ( 2^{i}  2^{f} \right )$ (C) 0 to $2^{i}$ (D) 0 to $\left ( 2^{i}  2^{f} \right )$
answered
Mar 10
in
Digital Logic

776
views
gate20171
digitallogic
numberrepresentation
fixedpointrepresentation
+5
votes
13
what is the probability that a randomly chosen bit string of length 10 is palindrome
answered
Mar 9
in
Combinatory

83
views
+2
votes
14
Rosen excercise
How many ways are there for 10 women and 6 men to stand in a line so that no two men stand to each other
answered
Mar 9
in
Combinatory

33
views
+2
votes
15
C. L. Liu 3.38(b)
Among $3n + 1$ objects, $n$ of them are identical. Find the number of ways to select $n$ objects out of these $3n + 1$ objects.
answered
Mar 9
in
Combinatory

37
views
+4
votes
16
TECHTUD, C PROGRAMMING
answered
Mar 8
in
Programming

153
views
programminginc
output
+3
votes
17
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
answered
Mar 8
in
Calculus

60
views
engineeringmathematics
isromech
isro
+3
votes
18
ISRO 2013 Angle between vectors [Mech]
answered
Mar 8
in
Linear Algebra

44
views
isro
engineeringmathematics
isromech
+4
votes
19
regular expression
Find the regular expression for $L=a^nb^m$ where $n>=3$ , $m$ is even ?
answered
Mar 8
in
Theory of Computation

67
views
theoryofcomputation
regularexpressions
+3
votes
20
ISRO 2014 Probability [Mech]
A purse contains 4 copper coins and 3 silver coins. A second purse contains 6 copper coins and 4 silver coins. A purse is chosen randomly and a coin is taken out of it. What is the probability that it is a copper coin? a) 70/82 b) 35/70 c) 41/82 d) 41/70
answered
Mar 7
in
Probability

136
views
engineeringmathematics
isro
isromech
+2
votes
21
Asynchronous counter circuit with feedback input GATEBOOK QS
answered
Feb 7
in
Digital Logic

142
views
counter
digitallogic
#digitalcounter
+4
votes
22
GATEBOOK
answered
Feb 7
in
Mathematical Logic

68
views
discretemathematics
+4
votes
23
Cache Access Time
Assume that a system is using writethrough cache. It has 70% write hits. The cache operates in lookaside mode with a readhit ratio of 80%. The program run on the system is such that it has memory reference for read 70% of time and for write is ... are using no write allocate policy). Average access time of the system is A. 43 B. 55.2 C. 41.5 D. 60
answered
Jan 22
in
CO & Architecture

74
views
+5
votes
24
time required to fins the unknowm integer
answered
Jan 22
in
Algorithms

80
views
algorithms
+3
votes
25
COA_RAW DEPENDENCY
Assume that ADD x, y, z; denotes x ← y + z, SUB x, y, z; x ← y – z and MUL x, y, z; denotes x ← y ∗ z. Consider the following assembly code. I1: SUB R1,R2,R3 I2:ADD R2,R1 R3 I3:ADD R3 R1 R2 I4:SUB R1 R2 R2 Find the number of RAW dependencies in the above assembly code. a. 2 b. 5 c. 3 d. 6
answered
Jan 18
in
CO & Architecture

73
views
+6
votes
26
Virtual Gate 2016mock1 Question 57
answered
Jan 18
in
Computer Networks

138
views
virtualgate
mock12016
computernetworks
+7
votes
27
Hashing
Consider the hashing table with ‘m’ slots and ‘n’ keys. If the expected number of probes in unsuccessful search is 3. The expected number of probes in a successful search is _______ (upto 2 decimal place).
answered
Jan 17
in
Algorithms

88
views
+7
votes
28
DSCLL
Time complexity to insert a node in the end of circular linked list, if the pointer to the 1st node is given and number of nodes in list is N is A)O(1) B)O(log N) C)O(N) D)O(N log N)
answered
Jan 16
in
DS

271
views
datastructure
timecomplexity
algorithms
linkedlists
+5
votes
29
Compiler: Viable Prefixes
Consider the following grammaer: S>0S1  01 How many of the following are the viable prefixes of the grammar? i. 01 ii. 001 iii. 00011 iv. 00S1 PS: given answer i, ii and iv , please explain!
answered
Jan 13
in
Compiler Design

221
views
compilerdesign
parsing
viableprefix
+12
votes
30
Probability
2 friends Alice and Bob have found an unfair coin,It has 72% chance of coming up heads.Alice and Bob plays a game with this coin.If coin comes up head then tails,Alice wins.If it's reverse(tails,then heas),Bob wins.And if neither of those two things happens,the game restarts and continues untill there is a winner What is Bob's probability of winning?
answered
Jan 12
in
Mathematical Logic

253
views
probability
engineeringmathematics
+7
votes
31
Maths: Probability Distribution Que01
answered
Jan 12
in
Probability

134
views
probability
randomvariable
engineeringmathematics
discretemathematics
+5
votes
32
CN TCP
Imagine a TCP connection is transferring 6000B. First Byte is numbered as 10010.The sequence number of the last byte sent,if data are sent in 5 segments with the first 4 segments carrying 1000B and last segement carrying 2000B are ?
answered
Jan 11
in
Computer Networks

129
views
tcp
computernetworks
+6
votes
33
Time Complexity
what is the tightest upper bound of T(n)=T(n1)+2n
answered
Jan 8
in
Algorithms

133
views
+5
votes
34
How many memory accesses required by the following instructions?
answered
Jan 8
in
CO & Architecture

171
views
co&architecture
+3
votes
35
error in sentence
answered
Jan 7
in
Verbal Ability

196
views
+17
votes
36
min heap
The number of binary min. heaps that can be formed from a set of 7 distinct integers is _________?
answered
Jan 7
in
DS

467
views
+5
votes
37
cache and main memory
Assume the following performance characteristics on a cache read miss: one clock cycle to send an address to main memory and four clock cycles to access a 32bit word from main memory and transfer it to the processor and cache. ... transfer? What would be the answer if memory is not interleaved and word access is done sequentially from main memory?
answered
Jan 6
in
CO & Architecture

170
views
co&architecture
cachememory
#computerorganisationandarchitecture
+3
votes
38
First Order Logic
answered
Jan 1
in
Mathematical Logic

90
views
+9
votes
39
REVERSE = { M  M is a TM with the property: for all w, M(w) accepts iff M(wR) accepts}.
answered
Dec 31, 2016
in
Theory of Computation

130
views
theoryofcomputation
decidability
+3
votes
40
TIFR2016A15
In a tournament with 7 teams, each team plays one match with every other team. For each match, the team earns two points if it wins, one point if it ties, and no points if it loses. At the end of all matches, the teams are ordered in ... the minimum total number of points a team must earn in order to be guaranteed a place in the next round? 13 12 11 10 9
answered
Dec 29, 2016
in
Combinatory

90
views
tifr2016
combinatory
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