8421 BCD Code Archives

What are the Different Types of BCD Codes

March 14, 2023June 19, 2025 vlsifacts No Comments

There are different types of BCD codes; however, the 8421 code is the most popular one. In this article, we will highlight three different types of BCD codes, such as 8421, 2421, and Excess-3. Both 8421 and 2421 are weighted code, whereas Excess-3 is not weighted. The above table shows the binary code groups for…

Digital Electronics

Binary Coded Decimal

March 14, 2023June 19, 2025 vlsifacts No Comments

You must have seen the digital clock in the railway station or at many other places. The hour, minute and second digits are seven-segment displays that deal with binary coded decimal (BCD) numbers. In this particular article, we will learn about the BCD code. BCD is a way to express each decimal digit in binary….