C - Control Flow Constructions

C - Control Flow Constructions
11.  The minimum number of times the while loop is executed is 
  • 0
  • 1
  • 2
  • cannot be predicted
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12.  The minimum number of times the do-while loop executed is 
  • 0
  • 1
  • 2
  • cannot be predicted
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13.  The minimum number of times  the do-while loop executed is 
  • 0
  • 1
  • 2
  • cannot be predicted
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14.  The do-while loop is terminated when the conditional expression returns
  • zero
  • 1
  • non-zero
  • -1
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15.  Which conditional expression always returns false value ?
  • if (a = = 0)
  • if (a = 0)
  • if (a = 10)
  • if (10 = = a)
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16.  Which conditional expression always returns true value ?
  • if (a = 1)
  • if (a = = 1)
  • if (a = 0)
  • if (1 = = a)
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17.  What is (are) the statement(s) which results in infinite loop ?
  • for (i = 0;; i++);
  • for (i = 0;;);
  • for (;;);
  • all the above
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18.  In the following loop construct, which one is executed only one always. 
for (expr1; expr2; expr 3) { ....}
  • expr1
  • expr3
  • expr1 and expr3
  • expr1, expr2 and expr3
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19.  Identify the wrong construct. 
  • for (expr1; expr2;)
  • for (expr1; expr3)
  • for (; expr;)
  • for (;; expr3)
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20.  Infinite loop is 
  • useful for time delay
  • useless
  • used to terminate execution
  • not possible
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