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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

20
2
Linker Error
Compiler Error

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C Programming
In which stage the following code#includegets replaced by the contents of the file stdio.h

During Preprocessing
During Execution
During Editing
None of these
During linking

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C Programming
What is right way to Initialize array?

int n{} = { 2, 4, 12, 5, 45, 5 };
int num[6] = { 2, 4, 12, 5, 45, 5 };
int n{6} = { 2, 4, 12 };
int n(6) = { 2, 4, 12, 5, 45, 5 };

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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
Depends on the compiler
p q
nullp nullq

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

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

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C Programming
What will be the output of the following program?#include#define square(x) x*x void main(){ int i; i = 64/square(4); printf("%d", i); }

64
4
16
None of These

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