C Fundamentals
practice.

What is the type of the following assignment expression if x is of type float and y is of type int?

y = x + y;

What will be the output of the following C code?

#include <stdio.h>
    int main()
    {
        printf("Hello World! %d \n", x);
        return 0;
    }

What will be the final value of c in the following C statement? (Initial value: c = 2)

c <<= 1;

Consider this statement: typedef enum good {a, b, c} hello; Which of the following statements is incorrect about hello?

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int ThisIsVariableName = 12;
    int ThisIsVariablename = 14;
    printf("%d", ThisIsVariablename);
    return 0;
}

What will be the output of the following C code?

#include<stdio.h>
int main()
{
    typedef union a
    {
        int i;
        char ch[2];
    }hello;
    hello u;
    u.ch[0] = 3;
    u.ch[1] = 2;
    printf("%d, %d", u.ch[0], u.ch[1]);
    return 0;
}

Which of the following operator has the highest precedence in the following?

Which function in the following expression will be called first?

a = func3(6) - func2(4, 5) / func1(1, 2, 3);

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int x = 1;
    short int i = 2;
    float f = 3;
    if (sizeof((x == 2) ? f : i) == sizeof(float))
        printf("float\n");
    else if (sizeof((x == 2) ? f : i) == sizeof(short int))
        printf("short int\n");
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int h = 8;
    int b = h++ + h++ + h++;
    printf("%d\n", h);
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    enum {ORANGE = 5, MANGO, BANANA = 4, PEACH};
    printf("PEACH = %d\n", PEACH);
}

Which of the following is possible with any 2 operators in C?

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    double b = 5 % 3 & 4 + 5 * 6;
    printf("%lf", b);
}

What will be the output of the following C code? (Initial values: x= 7, y = 8)

#include <stdio.h>
void main()
{
    float x;
    int y;
    printf("enter two numbers \n");
    scanf("%f %f", &x, &y);
    printf("%f, %d", x, y);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int x = 4, y, z;
    y = --x;
    z = x--;
    printf("%d%d%d", x, y, z);
}

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

Comment on the behaviour of the following C code?

#include <stdio.h>
int main()
{
    int i = 2;
    i = i++ + i;
    printf("%d\n", i);
}

What will be the output of the following C code?

#include<stdio.h>
enum colour
{
    blue, red, yellow
};
main()
{
    enum colour c;
    c=yellow;
    printf("%d",c);
}

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    int k = 8;
    int x = 0 == 1 && k++;
    printf("%d%d\n", x, k);
}

Which of the following is not a pointer declaration?