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C Programming

C Programming
Which of the following function calculates the square of 'x' in C?

pow(2, x)
power(2, x)
power(x, 2)
pow(x, 2)
sqr(x)

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C Programming
Determine Output:#include#define a 10void main(){ #define a 50 printf("%d", a);}

50
None of These
10
Compiler Error

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C Programming
Consider the following program fragment:for(c=1, sum=0; c <= 10; c++){ scanf("%d", &x); if( x < 0 ) continue; sum += x;}What would be the value of sum for the input 1, -1, 2, -2, 3, -3, 4, -4, 5, -5

15
-5
30
10
1

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C Programming
Determine Output:void main(){ int i; char a[]="�"; if(printf("%sn", a)) printf("Ok here n"); else printf("Forget itn");}

Ok here
Error
Forget it
None of These

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C Programming
Determine output:#include void main(){ char *p = NULL; char *q = 0; if(p) printf(" p "); else printf("nullp"); if(q) printf("q"); else printf(" nullq");}

x nullq where x can be p or nullp depending on the value of NULL
nullp nullq
p q
Depends on the compiler

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C Programming
A function 'p' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as

int (*p) (char *)[]
int *p(char *)[]
int(*p(char *))[]
None of these.

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