# Digital Electronics

## n-Bit Parallel Adder

N-Bit Parallel Adder The Full Adder is capable of adding only two single digit binary number along with a carry input. But in practical we need to add binary...

## Full Adder

Full Adder Full adder is developed to overcome the drawback of Half Adder circuit. It can add two one-bit numbers A and B, and carry c. The full adder...

## Half Adder

Half Adder Half adder is a combinational logic circuit with two input and two output. The half adder circuit is designed to add two single bit binary number A...

## Introduction to Combinational circuits

Combinational circuit is circuit in which we combine the different gates in the circuit for example encoder, decoder, multiplexer and demultiplexer. Some of the characteristics of combinational circuits are...

## Boolean Laws

Boolean Laws There are six types of Boolean Laws. Commutative law Any binary operation which satisfies the following expression is referred to as commutative operation Commutative law states that...

## Introduction to Boolean Algebra

Boolean Algebra is used to analyze and simplify the digital (logic) circuits. It uses only the binary numbers i.e. 0 and 1. It is also called as Binary Algebra...

## Hexadecimal Number Systems

Hexadecimal Number System Following are the characteristics of a hexadecimal number system. Uses 10 digits and 6 letters, 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. Letters represents numbers starting from 10. A = 10. B...

## Octal Number Systems and its arithematic operations

Octal Number System Following are the characteristics of an octal number system. Uses eight digits, 0,1,2,3,4,5,6,7. Also called base 8 number system Each position in a octal number represents...

## Binary Arithmatic Operations

Binary Addition It is a key for binary subtraction, multiplication, division. There four rules of the binary addition. In fourth case, a binary addition is creating a sum of...

## Binary system complements

Binary system complements As the binary system has base r = 2. So the two types of complements for the binary system are 2’s complement and 1’s complement. 1’s...