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C Programming

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

Compiler Error
2
Linker Error
20

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C Programming
Determine Output:#includevoid main(){ char s[]={'a','b','c','n','c','\0'}; char *p, *str, *str1; p=&s[3]; str=p; str1=s; printf("%c", ++*p + ++*str1-32);}

N
None of These
M
P

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C Programming
A C variable cannot start with

A special symbol other than underscore
An alphabet
A number
Both of the above

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C Programming
What will be the value of sum after the following program is executed?void main(){ int sum=1, index = 9; do{ index = index – 1; sum *= 2; }while( index > 9 );}

2
0.25
1
9
0.5

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C Programming
Consider the following code:void main(){ int a[5] = {6,8,3,9,0}, i=0; if(i != 0) { break; printf("%d", a[i]); } else printf("%d", a[i++]);}What is the output of the above program?

No output
Syntax error
8
Runtime error
6

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C Programming
Determine Output:void main(){ char not; not = !2; printf("%d", not);}

2
0
Garbage Value
None of These

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