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Computer Science Set-1
C Programming
100

C Programming MCQ with Answers

100) How many times will the following loop be executed if the input data item is 0 1 2 3 4 ?
while (c = getchar ()! = 0)
{ }

Infinitely

never

once

None of these

Answer is:

Infinitely

C Programming MCQ with Answers

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101) Consider following program fragment char c ='a' ;
while (c++ < = 'z')
putchar (xxx) ;
If required output is abcd....xyz, then xxx should be

c++

c-2

c-1

--c

Answer is:

c-1

102) Which of the following is a tabular listing of contents of certain registers and memory locations at different times during the execution of a program

Loop program

Program trace

Subroutine program

None of these

Answer is:

Program trace

103) A ″switch″ statement is used to

Switch between functions in a program

Switch from one variable to another variable

To choose from multiple possibilities which may arise due to different values of a single variable

All of above

Answer is:

To choose from multiple possibilities which may arise due to different values of a single variable

104) Consider following program fragment
if (a > b)
printf("a> b") ;
else
printf ("else part") ;
print f("a< = b") a <= b
will be printed if

a>b

a < b

a=b

All of these

Answer is:

All of these

C Programming MCQ with Answers

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100) How many times will the following loop be executed if the input data item is 0 1 2 3 4 ? while (c = getchar ()! = 0) { }

Infinitely

C Programming MCQ with Answers

Related C Programming MCQ with Answers

101) Consider following program fragment char c ='a' ; while (c++ < = 'z') putchar (xxx) ; If required output is abcd....xyz, then xxx should be

c-1

102) Which of the following is a tabular listing of contents of certain registers and memory locations at different times during the execution of a program

Program trace

103) A ″switch″ statement is used to

To choose from multiple possibilities which may arise due to different values of a single variable

104) Consider following program fragment if (a > b) printf("a> b") ; else printf ("else part") ; print f("a< = b") a <= b will be printed if

All of these

C Programming MCQ with Answers

100) How many times will the following loop be executed if the input data item is 0 1 2 3 4 ?
while (c = getchar ()! = 0)
{ }

101) Consider following program fragment char c ='a' ;
while (c++ < = 'z')
putchar (xxx) ;
If required output is abcd....xyz, then xxx should be

104) Consider following program fragment
if (a > b)
printf("a> b") ;
else
printf ("else part") ;
print f("a< = b") a <= b
will be printed if