How to convert decimal to binary number system?

Short Answer

The decimal to binary number system conversion is the process of changing a base 10 number into a base 2 number. Binary uses only two digits, 0 and 1, while decimal uses digits from 0 to 9.

To convert decimal to binary, we repeatedly divide the decimal number by 2 and note the remainders. The binary number is obtained by reading the remainders from bottom to top. This method is simple and widely used in computing.

Detailed Explanation:

Decimal to binary conversion

Decimal to binary conversion is an important concept in computer engineering. Since computers work using binary numbers, it is necessary to convert decimal numbers into binary form. This conversion helps in understanding how data is stored and processed inside a computer.

Basic idea of conversion

The decimal number system is based on base 10, while the binary number system is based on base 2. To convert a decimal number into binary, we use repeated division by 2. At each step, we divide the number by 2 and record the remainder.

Steps of conversion

First, take the given decimal number. Divide it by 2 and note the remainder (either 0 or 1). Then take the quotient and again divide it by 2. Repeat this process until the quotient becomes zero. Finally, write all the remainders in reverse order (from bottom to top). This gives the binary equivalent.

Example of conversion

Let us convert the decimal number 13 into binary. First, divide 13 by 2, which gives quotient 6 and remainder 1. Next, divide 6 by 2, giving quotient 3 and remainder 0. Then divide 3 by 2, giving quotient 1 and remainder 1. Finally, divide 1 by 2, giving quotient 0 and remainder 1. Writing the remainders from bottom to top gives 1101, which is the binary form of 13.

Conversion of fractional numbers

Decimal numbers can also have fractional parts. To convert fractional decimal numbers into binary, a different method is used.

Steps for fractional conversion

Multiply the fractional part by 2 and note the integer part of the result. Repeat this process with the new fractional part until the fraction becomes zero or reaches desired accuracy. The binary fraction is formed by writing the integer parts in order.

Example of fractional conversion

For example, to convert 0.625 into binary, multiply 0.625 by 2 to get 1.25, so write 1. Then multiply 0.25 by 2 to get 0.5, so write 0. Then multiply 0.5 by 2 to get 1.0, so write 1. Therefore, the binary form is 0.101.

Importance of conversion

Decimal to binary conversion is important because computers use binary numbers for all operations. Understanding this conversion helps in learning computer architecture, programming, and digital electronics.

Advantages of binary system

Binary numbers are simple and reliable for electronic systems. They match the on and off states of digital circuits, making them suitable for computer operations. This is why all data inside a computer is represented in binary form.

Practical applications

This conversion is used in programming, data storage, and communication systems. It helps programmers understand how numbers are processed at the machine level. It is also useful in designing digital circuits.

Conclusion

Decimal to binary conversion is a basic and important process in computing. It involves dividing the decimal number by 2 and arranging the remainders in reverse order. This conversion helps in representing numbers in a form that computers can understand and process efficiently.