Question

7. Write a program to input an integer using decimal number system and convert it to
its equivalnt binary.
​

Answer 1

Algorithm:

Store the remainder when the number is divided by 2 in an array.

Divide the number by 2

Repeat the above two steps until the number is greater than zero.

Print the array in reverse order now.

For Example:

If the binary number is 10.

Step 1: Remainder when 10 is divided by 2 is zero. Therefore, arr[0] = 0.

Step 2: Divide 10 by 2. New number is 10/2 = 5.

Step 3: Remainder when 5 is divided by 2 is 1. Therefore, arr[1] = 1.

Step 4: Divide 5 by 2. New number is 5/2 = 2.

Step 5: Remainder when 2 is divided by 2 is zero. Therefore, arr[2] = 0.

Step 6: Divide 2 by 2. New number is 2/2 = 1.

Step 7: Remainder when 1 is divided by 2 is 1. Therefore, arr[3] = 1.

Step 8: Divide 1 by 2. New number is 1/2 = 0.

Step 9: Since number becomes = 0. Print the array in reverse order. Therefore the equivalent binary number is 1010.

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