Loop Questions and Answers

Loop

Showing 10 of 98 questions
1. Which of the following is true about "for" loop? 
  • Any of the three experssions may be omitted
  • The openng and closing parentheses and the semicoons must be included.
  • The initial expression is evaluated only once.
  • All the above
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2. Find the output void main ( ) { int x=10, y; for (y=10; y!=x;++y) printf ("%d", y); printf("%d", y); }
  • 10 11
  • 10
  • 11
  • None of these
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3. If a loop loses its start value that loop is called as
  • Odd loop
  • Unknown loop
  • At least once
  • Infinite loop
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4. Find the output void main ( ) { int i=1; do { printf("%d", i); i++; } while (!i==5); }
  • 1 2 3 4 5
  • 1 2 3 4 5 6
  • 1
  • None of these
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5. Find the output void main ( ) { int i; for (i=0; i<3; i++); printf("%d", i*i); printf ("strange"); }
  • 9strange
  • 014strange
  • strange
  • Compilation error
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6. Find the output void main ( ) { int i; for (i=0; i<3; i++); printf("%d", i*i); printf ("strange"); }
  • 9strange
  • 014strange
  • strange
  • Compilation error
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7. Find the output void main ( ) { int i, j=1; for (i=1; i<5; i++) while (j<5) { printf ("%d', i+j); if(i==2&& j==2) break; j++; } }
  • 23454556
  • 2345
  • Compilation error
  • None of these
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8. Find the output void main ( ) { int i=1; while (!i=5) { printf ("%d", i); i++; } }
  • 1
  • 12345
  • 1234
  • Compilation error
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9. Find the output void main ( ) { for (putchar ('g'), i); putchar ('o'putchar ('d')) putchar ('s'); }
  • godsgodsgods...
  • gosdgosdgosd...
  • gosdosdosdosd...
  • Compilation error
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10. Find the output void main ( ) { char m[ ]={"hello world"}' int n; for (c=sizeof(m); m; putch(m)[-n])); }
  • d1row olleh
  • hello world
  • dddddddddd.....
  • infinite loop
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