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Computer Science Set-1
C Programming
154

C Programming MCQ with Answers

154) The contents of a file will be lost if it is opened in

a mode

w mode

w+ mode

a+mode

Answer is:

w+ mode

C Programming MCQ with Answers

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155) In the following 'C' code, in which order the functions would be called ?
a = ( f1(23,14 ) * f2 (12/14)) + f3 () ;

f1,f2,f3

f3,f2,f1

The order may vary from compiler to compiler

None of these

Answer is:

f1,f2,f3

156) What error would the following function give on compilation ?
f(int a,int b)
{
int a;
a = 20;
return a;
}

Missing parentheses in return statement

Function should be define as int f(int a,int b)

Redeclaration of a

No error

Answer is:

Redeclaration of a

157) It is necessary to declare the type of a function in the calling program if the function

Returns an integer

Returns a non-integer value

Is not defined in the same file

None of these

Answer is:

Returns a non-integer value

158) What will be the value returned by the following function, when it is called with a value 11?
recur(int num)
if ( ( num/2) !=0 )
return ( recur(num/2 ) * 10+num%2 );
else return 1;

Function does not return any value, because it goes into an infinite loop

1011

None of these

Answer is:

1011

C Programming MCQ with Answers

For more MCQ's Click Here

154) The contents of a file will be lost if it is opened in

w+ mode

C Programming MCQ with Answers

Related C Programming MCQ with Answers

155) In the following 'C' code, in which order the functions would be called ? a = ( f1(23,14 ) * f2 (12/14)) + f3 () ;

f1,f2,f3

156) What error would the following function give on compilation ? f(int a,int b) { int a; a = 20; return a; }

Redeclaration of a

157) It is necessary to declare the type of a function in the calling program if the function

Returns a non-integer value

158) What will be the value returned by the following function, when it is called with a value 11? recur(int num) if ( ( num/2) !=0 ) return ( recur(num/2 ) * 10+num%2 ); else return 1;

1011

C Programming MCQ with Answers

155) In the following 'C' code, in which order the functions would be called ?
a = ( f1(23,14 ) * f2 (12/14)) + f3 () ;

156) What error would the following function give on compilation ?
f(int a,int b)
{
int a;
a = 20;
return a;
}

158) What will be the value returned by the following function, when it is called with a value 11?
recur(int num)
if ( ( num/2) !=0 )
return ( recur(num/2 ) * 10+num%2 );
else return 1;