C Programming - Floating Point Issues

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General Questions
Find Output of Program

"Everything should be made as simple as possible, but not simpler."

- Albert Einstein

What are the different types of real data type in C ?

A.	float, double	B.	short int, double, long int
C.	float, double, long double	D.	double, long int, float

What will you do to treat the constant 3.14 as a long double?

A.	use 3.14LD	B.	use 3.14L
C.	use 3.14DL	D.	use 3.14LF

If the binary eauivalent of 5.375 in normalised form is 0100 0000 1010 1100 0000 0000 0000 0000, what will be the output of the program (on intel machine)?

#include<stdio.h>
#include<math.h>
int main()
{
    float a=5.375;
    char *p;
    int i;
    p = (char*)&a;
    for(i=0; i<=3; i++)
        printf("%02x\n", (unsigned char)p[i]);
    return 0;
}

A.	40 AC 00 00	B.	04 CA 00 00
C.	00 00 AC 40	D.	00 00 CA 04

Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ?

A.	3.4E^-4932 to 1.1E⁺⁴⁹³²	B.	3.4E^-4932 to 3.4E⁺⁴⁹³²
C.	1.1E^-4932 to 1.1E⁺⁴⁹³²	D.	1.7E^-4932 to 1.7E⁺⁴⁹³²

Which statement will you add in the following program to work it correctly?

#include<stdio.h>
int main()
{
    printf("%f\n", log(36.0));
    return 0;
}

A.	#include<conio.h>	B.	#include<math.h>
C.	#include<stdlib.h>	D.	#include<dos.h>

C Programming - Floating Point Issues

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