C Programming MCQ

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C Programming MCQ - I/O Operations

36:

What is the output of the following 'C' program?
main()
{
int a[5]={2,3};
printf("\n%d%d%d",a[2],a[3],a[4]);
}

A.	Garbage Values
B.	Error
C.	3 2 2
D.	0 0 0
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

37:

What is the output of the following 'C' program? main() { printf("%f",sqrt(36.0)); }

A.	6.0
B.	6
C.	6.000000
D.	None of these
	Answer Report Discuss
	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

38: If following variables are set to the values as shown below, then what is the value of the expression following it? answer=2; marks=10; !((answer2))

A.	-1
B.	0
C.	-1
D.	Error
	Answer Report Discuss
	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

39: Consider following statements:
putchar(getchar());
putchar(getchar());
If
a
b
is the input, then output will be

A.	An error message
B.	this can't be the input
C.	a, b
D.	Undefined
	Answer Report Discuss
	Option: B Explanation : The input is actually a \n b. Since we are reading only two characters, only a and \n will be read and printed. Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

40: The program fragment
int i =263;
purchar(i);
prints

A.	263
B.	ASCII equivalent of 263
C.	Rings the bell
D.	undefined
	Answer Report Discuss
	Option: C Explanation : 263 in binary form is 100000111. If one tries to print an integer as character, only the last 8 bits will be considered-the rest chopped off. So, in this case the ASCII value of 00000111 (i.e.,decimal 7) will be printed. Look in the ASCII table. It is ringing a bell! Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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C Programming MCQ - I/O Operations

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