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Questions by firki lama
User firki lama
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0
votes
2
answers
1
kenneith rosen
At least how many numbers should be selected from the set {1, 5, 9, 13, …125} to be assured that two of the numbers selected have a sum of 146?
asked
Apr 13
in
Set Theory & Algebra

92
views
kennethrosen
discretemathematics
+1
vote
1
answer
2
proof
1) Show that when all elements are distinct, the best case running time of HEAPSORT is Ω(n log n). 2) Show that the worst case running time of HEAPSORT is Ω(n log n).
asked
Apr 13
in
Algorithms

52
views
heapsort
0
votes
0
answers
3
linear equation
Consider the system of linear equations w+3x+2y+2z = 0 w+4x+y = 0 3w+5x+10y+14z = 0 2w+5x+5y+6z = 0 with solutions of the form (w, x, y, z ) , where w, x, y, and z are real. Which of the following statements is FALSE? (A) The system has ... a solution. (C) ( 5, 1, 1, 0 ) is a solution. (D) Every solution is a scalar multiple of ( 5, 1, 1, 0 )
asked
Mar 1
in
Linear Algebra

25
views
linearalgebra
engineeringmathematics
+1
vote
0
answers
4
differentiable
The function is defined as follows. Which of the following is true? (A) f is discontinuous at all (B) f is continuous only at x = 0 and differentiable only at x = 0. (C) f is continuous only at x=0 and non differentiable at all (D) f is continuous at all and non differentiable at all
asked
Mar 1
in
Calculus

42
views
differentiability
continuity
calculus
0
votes
0
answers
5
doubt
A computer has a cache, main memory, and a disk used for virtual memory. An access to the cache takes 10 ns. An access to main memory takes 100 ns. An access to the disk takes 10,000 ns. Suppose the cache hit ratio is 0.9 and the main memory hit ratio is 0.8. The effective access time (EAT) required to access a referenced word on this system is ______________ ns.
asked
Jan 19
in
CO & Architecture

42
views
#computerorganisationandarchitecture
0
votes
0
answers
6
which has higher growth rate?
Which grows faster when n increases? $I. n^{\frac{1}{3}}<\frac{n}{logn} II. n^{\frac{1}{3}}>\frac{n}{logn}$
asked
Jan 18
in
Algorithms

39
views
asymptoticnotations
0
votes
2
answers
7
Integration
what is the integration of this funcion? f(x)=1−x where −1≤x≤1
asked
Jan 18
in
Calculus

81
views
calculus
integration
0
votes
1
answer
8
mean no of transmission?? 13 or 200
asked
Jan 18
in
Computer Networks

66
views
computernetworks
+1
vote
0
answers
9
summation series
what is the summation of this series? S=nC0*20+nC1*21+nC2*22+..............nCn*2n
asked
Jan 17
in
Combinatory

68
views
summation
aptitude
+2
votes
2
answers
10
ouput of program
Consider the following program: void find(struct Node *node) { struct Node *ptr,*q; q = (struct Node *)malloc(sizeof(struct Node)); q>left = NULL; q>right = NULL; if(node == NULL) return; find(nod>left); find( ... passed to the above function, by main function the sum of all the keys in the resultant tree produced by find() is given by___?
asked
Jan 17
in
Programming

149
views
programminginc
madeeasy_testseries
+2
votes
1
answer
11
quadratic probing collison loop count??
asked
Jan 17
in
DS

92
views
hashing
datastructure
+7
votes
1
answer
12
maximum weight of minimum spanning tree??
asked
Jan 16
in
Algorithms

184
views
algorithms
minimumspanningtrees
0
votes
1
answer
13
testbook
asked
Jan 16
in
Databases

63
views
testbook
testseries
databases
candidatekeys
0
votes
2
answers
14
testbook
asked
Jan 16
in
Digital Logic

241
views
testbook
testseries
digitallogic
+2
votes
2
answers
15
answer 90 or 444?
asked
Jan 16
in
Combinatory

150
views
counting
orderedpartition
0
votes
1
answer
16
order of leaf node in b+ tree??
asked
Jan 15
in
Databases

96
views
dbms
b
tree
0
votes
3
answers
17
Time complexity of fractionak knapsack using greedy algorithm is O(n^2)??TRUE/FALSE
asked
Jan 12
in
Algorithms

324
views
greedyalgorithm
algorithms
0
votes
0
answers
18
propostion logic
Are these correct representation in Propositional logic?? I. Somebody,Someone,Anybody,Anyone=========Ǝx II. Everybody,Everyone======∀x
asked
Jan 9
in
Mathematical Logic

67
views
propositionallogic
0
votes
1
answer
19
output of program
#include <stdio.h> int main(void) { void *vp; char ch='g'; char *cp="goofy"; int j=20; vp=&ch; printf("%c",*(char *)vp); vp=&j; printf("%d",*(int *)vp); vp=cp; printf("%c",(char *)vp+3); return 0; }
asked
Jan 9
in
Programming

77
views
programminginc
+1
vote
1
answer
20
why output is 300?
#include <stdio.h> int main(void) { int i; char *p=(char *)&i; ++p; (*p)=2; printf("%d",i); return 0; }
asked
Jan 9
in
Programming

164
views
programminginc
0
votes
1
answer
21
why ouput 31??
#include <stdio.h> int f(int); int main(void) { int n=7; printf("%d",f(n)); return 0; } f(int n) { int r; if(n<=0) return(1); if(n>3) { r=n; return(f(n3)+15); } return (f(n1)+r); }
asked
Jan 9
in
Operating System

34
views
+1
vote
1
answer
22
static and dynamic scoping
int a=0,b=0; int main(void) { int a=3; printf("%d%d",a,b); c(); printf("%d%d",a,b); return 0; } void c() { printf("%d%d",a,b); a=4,b=5; printf("%d%d",a,b); d(); printf("%d%d",a,b); ... ; printf("%d%d",a,b); } void e(int b,int a) { printf(a,b); a=7;b=8; printf("%d%d",a,b); }
asked
Jan 9
in
Programming

205
views
0
votes
1
answer
23
LCS problem
asked
Jan 8
in
Algorithms

42
views
+2
votes
0
answers
24
can dfs be used for verifying graph is bipartite or not??
asked
Jan 7
in
Algorithms

47
views
0
votes
1
answer
25
what is the Time complexity of given code?
asked
Jan 7
in
Algorithms

59
views
timecomplexity
algorithms
+1
vote
1
answer
26
if graph is loop free then how can it have cycle
asked
Jan 6
in
Graph Theory

69
views
graphtheory
+1
vote
1
answer
27
how to solve
asked
Jan 6
in
Linear Algebra

54
views
orthogonal
matrix
eigenvector
0
votes
3
answers
28
doubt
No of token generated? int main() { int ***p; printf("%d",***p); }
asked
Jan 5
in
Compiler Design

205
views
lexicalanalysis
0
votes
1
answer
29
doubt
why x=a[i][j] and x=f(a,b) are not three address code..
asked
Jan 5
in
Compiler Design

45
views
three
address
intermediatecode
+1
vote
0
answers
30
gate 2011
The fuel consumed by a motorcycle during a journey while traveling at various speeds is indicated in the graph below. The distances covered during four laps of the journey are listed in the table below Lap Distance (kilometers) Average speed (kilometers per hour) P ... that the fuel consumed per kilometer was least during the lap (A) P (B) Q (C) R (D) S
asked
Jan 2
in
Numerical Ability

208
views
numericalability
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