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Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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All parts need to be included in the same C file so the new code needs to be added to the existing code and needs to be working code 

I’m asking for help on part (3a)

 

#include <stdio.h>

 

int printBin(int value);

 

int main(){

 

int num=10;

int tobinary= printBin(num);

printf("The number %d  converted to binary as %d",num,tobinary);

 

 

unsigned int x = 1;

 

char *ccc = (char*)&x;

 

if(*ccc){

    printf("This is Little endian");

}

else{

    printf("This is Big endian");

}

 

getchar();

 

return 0;

 

}

 

int printBin(int value)

{

 

if(value<2)

return value;

 

 

return printBin(value / 2) *10 + value % 2;

 

 

}

3a. Floating point struct Define a struct Single that describes the bit layout for a single precision floating point number. You should be able to compile this definition but there is no code to run yet. You will need to use bit fields in the struct. Notice that you need to consider little endian vs. big endian. Your submission should answer the following questions about this program: • Why does endian matter here and not for part 2? 3b. Printing floating point parts Define a method void printSingle(float f) that will print the parts of the floating point number as distinct values. A typical output should look like: For value 3.5, sign=0 exp =128, fraction=11000000000000000000000 To place the float into the struct, use a pointer cast or a union. For example, using a pointer cast to interpret the bits of a floating point number as an integer, you could say int i; *(float *)&i = f; To print a floating point number in printf, you typically use %f. Your submission should answer the following questions about this program: • Describe how pointer casting works to get the value into a different format. • Describe how you could break apart a floating point number into parts using bitwise operators? Would that care about endian?
Transcribed Image Text:3a. Floating point struct Define a struct Single that describes the bit layout for a single precision floating point number. You should be able to compile this definition but there is no code to run yet. You will need to use bit fields in the struct. Notice that you need to consider little endian vs. big endian. Your submission should answer the following questions about this program: • Why does endian matter here and not for part 2? 3b. Printing floating point parts Define a method void printSingle(float f) that will print the parts of the floating point number as distinct values. A typical output should look like: For value 3.5, sign=0 exp =128, fraction=11000000000000000000000 To place the float into the struct, use a pointer cast or a union. For example, using a pointer cast to interpret the bits of a floating point number as an integer, you could say int i; *(float *)&i = f; To print a floating point number in printf, you typically use %f. Your submission should answer the following questions about this program: • Describe how pointer casting works to get the value into a different format. • Describe how you could break apart a floating point number into parts using bitwise operators? Would that care about endian?
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