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  3. Binary to Decimal conversion program using C language:- The C program converts binary number to decimal number that is equivalent. A decimal number can be attained by multiplying every digit of binary digit with a power of 2 and totaling each multiplication outcome. The power of the integer starts from 0 and counts to n-1 where n is assumed as the overall number of integers in a binary number. Ex:-   ( 101100001 ) 2 =( 353 )10                                                  ALGORITHMS:- Step 1:  Start Step 3:  The user is asked to enter a binary number as an input Step 4:  Store the quotient and remainder of the binary number in the variable rem Step 5:  Multiply every digit of the entered binary number beginning from the last with the powers of 2 correspondingly Step 6:  Repeat the above step...

    Find the area of a circle using c programming - We can easily find the area of a circle in c programming using simple methods such as printf and scanf. the area of a circle is = PI* Radius * Radius .                               Area of circle   CODE:- #include<stdio.h> int main() {  float r,pi=3.14,area;  printf("Enter the value of radius :");  scanf("%f",&r);  area= pi*r*r;  printf("The value of area is  %f ",area);  return 0; }                           OUTPUT:-     ENTER THE VALUE OF RADIUS:  5  THE VALUE OF AREA IS 78.50

1. How to check if the given number is Even or odd- We can determine whether a number is even or odd. This can be tested using different methods. The test can be done using simple methods such as testing the number’s divisibility by 2. If the remainder is zero, the number is even. If the remainder is not zero, then the number is odd. The following algorithm describes how a C program can test if a number is even or odd. CODE:- #include <stdio.h> int   main () { int num;//variable declaration printf("Enter any num: ");// take input from user  scanf("%d",&num);// declare input if(num%2==0) { printf("The num %d is even",num); } else { printf("The num %d is odd",num); } return 0; }     ALGORITHM:- Step 1.   Start Step 2 .   Enter a number. Step 3.   If...