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C Programming

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

Compiler Error
20
2
Linker Error

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C Programming
Size of the array need not be specified, when

It is a formal parameter
It is a declaratrion
All of these
Initialization is a part of definition

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C Programming
Find the output of the following program.#includevoid main(){ int y=10; if(y++>9 && y++!=10 && y++>11) printf("%d", y); else printf("%d", y);}

12
13
11
14
Compilation error

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C Programming
What will be the output of the following program?#includevoid main(){ int i = 10; void *p = &i; printf("%d\n", (int)*p);}

10
Compiler time error
Undefined behavior
Segmentation fault/runtime crash

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C Programming
What will be the output of this program on an implementation where int occupies 2 bytes?#include void main(){ int i = 3; int j; j = sizeof(++i + ++i); printf("i=%d j=%d", i, j);}

i=4 j=2
i=5 j=2
i=3 j=2
the behavior is undefined

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C Programming
Which one of the following is not a reserved keyword for C?

auto
register
default
main
case

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