number system

Full Adder The half adder is used to add only two numbers. To overcome this problem, the full adder was developed. The…

Full Subtractor The Half Subtractor is used to subtract only two numbers. To overcome this problem, a full subtractor was designed. The…

Binary to Gray code conversion The Binary to Gray code converter is a logical circuit that is used to convert the binary…

Latches A Latch is a special type of logical circuit. The latches have low and high two stable states. Due to these…

Johnson Counter The Johnson counter is similar to the Ring counter. The only difference between the Johnson counter and the ring counter…

De-multiplexer A De-multiplexer is a combinational circuit that has only 1 input line and 2N output lines. Simply, the multiplexer is a…

Karnaugh Map(K-Map) method The K-map is a systematic way of simplifying Boolean expressions. With the help of the K-map method, we can…

Conversion between Canonical Forms In our previous section, we learned about SOP(sum of product) and POS(product of sum) expressions and calculated POS…

9’s and 10’s Complement If the number is binary, then we use 1’s complement and 2’s complement. But in case, when the…

Decimal or BCD Adder The BCD-Adder is used in the computers and the calculators that perform arithmetic operation directly in the decimal…