C Programming
What will be the output of the following program? #include\ int main(){  extern int i;  i = 20;  printf("%ld ", sizeof(i));  return 0; }

Linker Error : Undefined symbol 'i'
Depends on the Compiler
2
4

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C Programming
Use of functions

Makes the debugging task easier.
All of these
Enhances the logical clarity of the program.
Helps to avoid repeating a set of statements many times.
Helps to avoid repeated programming across programs.

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