C Language quiz questions

Which of the following identifiers is a legal identifier?

1. abc#*

2. #+abc

3. abc

Which of the following identifiers is a legal identifier:

1. my mark

2. my_mark

3. my-mark

Which of the following identifiers is a legal identifier :

1. 1abc

2. abc 1

3. abc1

What is the output of the following piece of code?

int  x = 3, y = 5, z ;
z = x++ + ++y;
printf(“%d”,z);

1. 8

2. 9

3. 10

What is the output of the following piece of code?

int  x = 3, y = 5, z;
z = x + ++y;
printf(“%d”,z);

1. 8

2. 9

3. 10

What is the output of the following piece of code:

int  x = 3, y = 5, z;
z = ++x + ++y;
printf(“%d”,z);

1. 8

2. 9

3. 10

To print character a:

1. putch("a");

2. putch(‘a’);

3. Both correct

To write the ASCII code of char ch=’x’;

1. printf("%d",ch);

2. putch(ch);

3. printf("%d", ascii(ch));

What is the output of the following piece of code:

switch(2) {
case 1: printf(“One”);	break;
case 2: printf(“Two”);	break;
case 3: printf(“Three”);	break;
}

1. One

2. Two

3. TwoThree

What is the output of the following piece of code:

switch(2) {
case 1: printf(“One”);	break;
case 2: printf(“Two”);	
case 3: printf(“Three”);	break;
}

1. One

2. Two

3. TwoThree

If LSB of a binary number is "0" then it is:

1. Positive number

2. Even number

3. Odd number

The highest digit in any number system equals:

1. Zero

2. Base - 1

3. Base + 1

what is the result of the condition ( x ;; y ) given the declaration :

int x = 1 , y = 2 ;

1. true

2. false

3. unknown

the ; operator in the Boolean condition if( (x>5) ; ( y < 9 ) ) …

1. bit-wise AND operator

2. address operator

3. logical AND operator

what is the storage size of the integer data type (char)?

1. 1 byte

2. 2 byte

3. 4 byte

what is the storage size of the float data type (float)?

1. 1 byte

2. 2 byte

3. 4 byte

The operator = in the Boolean condition if( age = 3 )

1. assignment operator

2. check for equality condition operator

3. both correct

To find the max value between x,y :

1. if ( x > y ) max = x;

   else max = y;

2. max = y;

   if ( x > y ) max = x;

3. both correct

To compute the square of the value in variable a:

1. b = a^2;

2. z = a * a;

3. both correct

what is the output of the following piece of code:

int  c = 19 %  4;

1. 1

2. 2

3. 3