Quiz  /  Programming Gate & PSU MCQ Questions With Answers

  • 1. 
    What will be the output of the following C code? #include int main() { do{ printf("In while loop "); }while (0); printf("After loop\n"); }

  • In while loop
  • In while loop after loop
  • After loop
  • Infinite loop

  • 2. 
    What is the output of C Program.?int main() { int a=25; while(a <= 27) { printf("%d ", a); a++; } return 0; }

  • 25 25 25
  • 25 26 27
  • 27 27 27
  • Compiler error

  • 3. 
    What is the output of C Program.? int main() { int a=32; do { printf("%d ", a); a++; if(a > 35) break; }while(1); return 0; }

  • No Output
  • 32 33 34
  • 32 33 34 35
  • Compiler error

  • 4. 
    Choose a correct C Statement.

  • a++ is (a=a+1) POST INCREMENT Operator
  • a-- is (a=a-1) POST DECREMENT Operator--a is (a=a-1) PRE DECREMENT Operator
  • ++a is (a=a+1) PRE INCREMENT Operator
  • All the above.

  • 5. 
    Choose a correct C do while syntax.

  • dowhile(condition) { //statements }
  • do while(condition) { //statements }
  • do { //statements }while(condition)
  • do { //statements }while(condition);

  • 6. 
    Loops in C Language are implemented using.?

  • While Block
  • For Block
  • Do While Block
  • All the above

  • 7. 
    What is the output of C Program.?int main() { int a=32; do { printf("%d ", a); a++; }while(a <= 30); return 0; }

  • 32
  • 33
  • 30
  • No Output

  • 8. 
    What is the output of C Program.?int main() { int a=5; while(a >= 3); { printf("RABBIT\n"); break; } printf("GREEN"); return 0; }

  • GREEN
  • RABBIT GREEN
  • RABBIT is printed infinite times
  • None of the above

  • 9. 
    In the following loop construct, which one is executed only once always. for(exp1; exp2; exp3)

  • exp1
  • exp3
  • exp1 and exp3
  • exp1,exp2 and exp3

  • 10. 
    The continue statment cannot be used with

  • for
  • while
  • do while
  • switch

  • 11. 
    What is the output of C Program.? int main() { int k; for(;;) { printf("TESTING\n"); break; } return 0; }

  • No Output
  • TESTING
  • Compiler error
  • None of the above

  • 12. 
    What is the output of C Program.? int main() { int k; for(k=1; k <= 5; k++); { printf("%d ", k); } return 0; }

  • 1 2 3 4 5
  • 1 2 3 4
  • 6
  • 5

  • 13. 
    Choose a right C Statement.

  • Loops or Repetition block executes a group of statements repeatedly.
  • Loop is usually executed as long as a condition is met.
  • Loops usually take advantage of Loop Counter
  • All the above.

  • 14. 
    What is the way to suddenly come out of or Quit any Loop in C Language.?

  • continue; statement
  • break; statement
  • leave; statement
  • quit; statement

  • 15. 
    What is the output of C Program.?

  • GREEN
  • RABBIT GREEN
  • RABBIT is printed unlimited number of times.
  • Compiler error.
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