C introduction

Who is the father of C language?

• a) Steve Jobs

• b) James Gosling

• c) Dennis Ritchie

• d) Rasmus Lerdorf

Which type of memory can read data but can’t write data?

• Random only memory

• Random-access memory

• Read-only memory

• None of the above

What is a compiler?

• system program that converts instructions to machine language

• system program that converts machine language to high-level language

• system program that writes instructions to perform

• None of the mentioned

What will be the output of the following code snippet?

#include <stdio.h>

int main()

{

int a = 3, b = 5;

int t = a;

a = b;

b = t;

printf("%d %d", a, b);

return 0;

}

• 3 5

• 3 3

• 5 5

• 5 3

What is the output of the following code snippet?

#include <stdio.h>

int main()

{

int sum = 2 + 4 / 2 + 6 * 2;

printf("%d", sum);

return 0;

}

• 2

• 15

• 16

• 18

Which of the following is true for variable names in C?

• They can contain alphanumeric characters as well as special characters

• It is not an error to declare a variable to be one of the keywords(like goto, static)

• Variable names cannot start with a digit

• Variable can be of any length

What will be the output of the following C code?

#include <stdio.h>

void main()

{

int x = 5;

if (x < 1)

printf("hello");

if (x == 5)

printf("hi");

else

printf("no");

}

• hi

• hello

• no

• hi hello

What will be the output of the following C code?

• True

• False

• True False

• No Output

What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

• 1

• 2

• 1 2

• Run Time Error

Operator % in C Language is called.?

• Percentage Operator

• Quotient Operator

• Modulus

• Division