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Recent activity by sumit kumar

2 answers
1
and loss - apti question
A man purchases 11 articles @ 10rs per article and sells 10 articles @11 rs per article.Find The Overall Loss or Gain% ? a)23% b)21% c)26% d)20% answer is B option but i want explanation for this type of GA questions .Thanks
A man purchases 11 articles @ 10rs per article and sells 10 articles @11 rs per article.Find The Overall Loss or Gain% ?a)23%b)21%c)26%d)20%answer is B option but i want ...
2 answers
4
choosing incorrect identity
Q choose incorrect identity from the following a) (a+b)* = (a+b)*(a+b)* b) (a+b)* = a(a+b)*b(a+b)* + ∈ c)(a+b)* = (a+b)*ab(a+b)* + b*a* d)None of the above correct answer given is option D but obviously option B and option C both are wrong too.
Qchoose incorrect identity from the followinga) (a+b)* = (a+b)*(a+b)*b) (a+b)* = a(a+b)*b(a+b)* + ∈c)(a+b)* = (a+b)*ab(a+b)* + b*a*d)None of the abovecorrect answer ...
5 answers
5
minimal DFA
The minimal state DFA, accepting all strings over the alphabet {0,1} where the nth symbol in every string from the right end is a 1, has a) 2n states b) 2n-1 states c) 2n+1 states d) None of the above  
The minimal state DFA, accepting all strings over the alphabet {0,1} where the nth symbol in every string from the right end is a 1, hasa) 2n states b) 2n-1 states c) 2n...
1 answer
8
how to find whether a language is regular or not
my question is whether we have a shortcut an idea which can help us in recognizing any language to be regular or not,in GATE .and also what is the best way to get it properly done when you want to do it the old school way?
my question is whether we have a shortcut an idea which can help us in recognizing any language to be regular or not,in GATE .and also what is the best way to get it prop...
2 answers
9
the possible no of dfa with three states
Q The possible no of dfa with three states X,Y and Z, where X being always initial state for the DFA over the alphabet {0,1} a)5830 b)5831 c)5832 d)5932 correct answer is option C,but what is the systematic way to get it??
QThe possible no of dfa with three states X,Y and Z, where X being always initial state for the DFA over the alphabet {0,1}a)5830b)5831c)5832d)5932correct answer is optio...
3 answers
16
which of the following is correct
which of the following is correct?
which of the following is correct?
2 answers
19
graphs - bipartite
Q) For what value of n Kn can be bipartite a)2 b)3 c)4 d) 5
Q) For what value of n Kn can be bipartitea)2b)3c)4d) 5
3 answers
20
GATE IT 2004 | Question: 15
Let $x$ be an integer which can take a value of $0$ or $1$. The statement if (x == 0) x = 1; else x = 0; is equivalent to which one of the following ? $x = 1 + x;$ $x = 1 - x;$ $x = x - 1;$ $x = 1\% x;$
Let $x$ be an integer which can take a value of $0$ or $1$. The statementif (x == 0) x = 1; else x = 0;is equivalent to which one of the following ?$x = 1 + x;$$x = 1 - ...
1 answer
23
use of unions in c
what are the reasons to use unions or not to use unions in C?why unions in ada are better than C implementation ?
what are the reasons to use unions or not to use unions in C?why unions in ada are better than C implementation ?
4 answers
24
Consider the following program
int i = 1; int main() { int a[]= { 0,1, 2} ; f(a[i], i); printf("%d", a[i]); } void f(int x, int y) { y++; x=5*i; } In above function f() uses " call by name" technique, what is the output printed? a) 2 b) 10 c) 5 d) 1
int i = 1; int main() { int a[]= { 0,1, 2} ; f(a[i], i); printf("%d", a[i]); } void f(int x, int y) { y++; x=5*i; }In above function f() uses " call by name" technique, w...
4 answers
25
what is the output of foo(10)?
int foo(unsigned int n) { int c,x=0; while(n!=0) { if(n&01) x++; n>>=1; } return c; }
int foo(unsigned int n) { int c,x=0; while(n!=0) { if(n&01) x++; n>>=1; } return c; }
1 answer
26
Consider the following code
void main() { int x=10, y=5; swap(x,y); print(x,y); } void swap(int a, int b) { int c, x=0; c=a; a=b; b=c; } what is output using call by text? a) 5 0 b) 5 10 c) 10 0 d) 10 10
void main() { int x=10, y=5; swap(x,y); print(x,y); } void swap(int a, int b) { int c, x=0; c=a; a=b; b=c; }what is output using call by text?a) 5 0b) 5 10c) 10 0d) ...
1 answer
27
Self doubt
Consider the following C code: char A[20]; A="gate"; Which of the following is correct? a) '\0' is automatically appended at the end of "gate". b) '\0' is not stored at the end of "gate" in array A. c) error produced by compiler d) none of these
Consider the following C code:char A[20]; A="gate";Which of the following is correct?a) '\0' is automatically appended at the end of "gate".b) '\0' is not stored at the e...