C Language Basics

Which header file is required to perform standard input and output opeartions

• math.h

• stdio.h

• input.h

• io.h

Which of the following is correct identifier?

• int

• 1ab

• a_123

• a 123

what is the output of the following statement?

printf("hi\nhello\nhow\bare\ryou");

• hi

  hello

  how

  are

  you

• hi

  hello

  hoare

  you

• hi

  hello

  youre

• hi

  hello

  youare

Who is the father of C language?

• Dennis Ritche

• Charles Babbage

• Steve Jobs

• V Kohli

Which of the following is not a valid C variable name?

• int num;

• float price;

• char a_s;

• int $total;

The C-preprocessors are specified with _________ symbol.

• $

• #

• &

• *

What is the sizeof(char) in a 32-bit C compiler?

• 1 bit

• 2 bits

• 1 byte

• 2 bytes

What will be the final value of x in the following C code?

#include <stdio.h>

void main()

{

int x = 5 * 9 / 3 + 9;

}

• 3.75

• 24

• 3

• 15

What will be the output of the following C code snippet?

#include <stdio.h>

void main()

{

1 < 2 ? printf("Hi"): printf("hello");

}

• Hi

• hello

• hi

  hello

• none

What is the size of an int data type in 64-bit compiler?

• 4 bytes

• 8 bytes

• 10 bytes

• 2 bytes