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; }

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

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C Programming
What is function?

Function is a block of statements that perform some specific task.
All of these
Function is a block of code that performs a specific task. It has a name and it is reusable.
Function is the fundamental modular unit. A function is usually designed to perform a specific task.

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