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 );}

1
0.25
9
2
0.5

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C Programming
Use of functions

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

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