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  • Question
  • What would be the output of the following program? main() { float a = 0.7; if ( a < 0.7f ) printf ( " C "); else Printf ( " C++ "); }


  • Correct Answer
  • C++ 


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    • 1. What would be the output of the following program? main() { printf (" %d%d%d ", sizeof (3.14f), sizeof (3.14), sizeof (3. 141); }
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    • 2. Which error are you likely to get when you run the following program? main() { struct emp { char name[20]; float sal; }; struct emp e[10]; int i; for ( i = 0 ; i <= 9; i++) scanf ( "%s %f" , e[i].name, &e[i].sal ); }
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    • 3. In the following code in which order the functions would be called? a = ( f1 ( 23,14 ) * f2 ( 12/4) ) + f3() ;
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    • 4. What would be the output of the following program? main() { int i=2 ; printf ("\n%d%d", ++i, ++i ); }
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    • 5. What would be the output of the following program? main() { static int a[20]; int i = 0; a[i] = i++; printf ("\n%d%d%d", a[0], a[1], i); }
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    • 6. There is a mistake in the following code. Add a statement in it to remove it. main() { int a; a = f (10, 3.14) ; printf ( " %d ", a ); } f (int aa, float bb) { return ( ( float ) aa + bb ); }
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    • 7. Point out the error, if any, in the following program. main() { int a = 10; void f(); a = f(); printf ( "\n %d", a ); } void f() { printf ( "\n Hi "); }
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    • 8. Will the following function work? f1 ( int a, int b ) { return ( f2 (20) ); } f2 ( int a ) { return ( a * a ); }
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    • 9. Indicate what would the SWAP macro be expanded to on preprocessing. Would the code compile? #define SWAP (a, b, c ) (c t; t = a, a = b, b = t; ) main() { int x = 10, y = 20; SWAP (x, y, int ); printf ( " %d%d ", x, y); }
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    • 10. What would be the output of the following program assuming that the array beigns at location 1002? main() { int a[3][4] = { 1 , 2 , 3 , 4 5, 6 , 7, 8 9, 10 , 11, 12 }; Printf ("\n%u %u %u", a[0] + 1, *( a[0] + 1), *( *(a + 0) + 1) ); }
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