Digital Electronics

What is Signal?

What is an Analog Signal?

What is Digital Signal?

Need of Digital Signals

Introduction to Digital Electronics

Switch and Bits Intuition

Introduction to Boolean Algebra (Part 1)

Introduction to Boolean Algebra (Part 2)

Boolean Algebra Examples (Part 1)

Boolean Algebra Examples (Part 2)

Redundancy Theorem (Boolean Algebra Trick)

Sum of Products (Part 1) | SOP Form

Sum of Products (Part 2) | SOP Form

Product of Sums (Part 1) | POS Form

Product of Sums (Part 2) | POS Form

SOP and POS Form Examples

Minimal to Canonical Form Conversion (Part 1)

Minimal to Canonical Form Conversion (Part 2)

Examples & Tricks (SOP and POS Forms)

Positive and Negative Logic

Dual Form

Self Dual

Complement Meaning and Examples

Venn Diagram

Switching Circuits (Part 1)

Switching Circuits (Part 2)

Statement Problems in Boolean Algebra (Part 1)

Statement Problems in Boolean Algebra (Part 2)

Introduction to Number Systems

Binary Number System

Decimal to Binary Conversion

Decimal to Octal Conversion

Decimal to Hexadecimal Conversion

Binary to Decimal Conversion

Octal to Decimal Conversion

Hexadecimal to Decimal Conversion

Octal to Binary & Binary to Octal Conversion

Hexadecimal to Binary & Binary to Hexadecimal Conversion

Hexadecimal to Octal & Octal to Hexadecimal Conversion

Binary Addition

Binary Subtraction

Binary Multiplication

Binary Division

Octal Addition

Octal Subtraction

Octal Multiplication

Hexadecimal Addition

Hexadecimal Subtraction

Hexadecimal Multiplication

r's Complement

(r-1)'s Complement

1's and 2's Complement

Shortcut for 2's Complement

Data Representation using Signed Magnitude

Data Representation using 1's Complement

Data Representation using 2's Complement

Binary Subtraction using 1's Complement

Binary Subtraction using 2's Complement

Classification of Codes

Binary Coded Decimal (BCD) Code

BCD Addition

Shift Add 3 Method | Simple method for Binary to BCD conversion

2421 Code

Excess-3 Code (XS-3 Code)

Excess-3 Code Addition

Introduction to Gray Code

Binary to Gray Code Conversion

Gray Code to Binary Conversion

What is Parity?

Hamming Code | Error Detection

Hamming Code | Error Correction

Logic Gates (Part 1)

Logic Gates (Part 2)

Logic Gates (Part 3)

Logic Gates (Part 4)

Logic Gates (Part 5) | Important!

Logic Gates (Part 6) | Important!

NAND Gate as Universal Gate (Part 1)

NAND Gate as Universal Gate (Part 2)

NOR Gate as Universal Gate

Karnaugh Map (K' Map) - Part 1

Karnaugh Map (K' Map) - Part 2

Karnaugh Map (K' Map) - Part 3

K' Map and Implicants

4 Variable Karnaugh Map (Part 1)

4 Variable Karnaugh Map (Part 2)

4 Variable Karnaugh Map (Part 3)

Don't Care in Karnaugh Map (K' Map)

Don't Care in K' Map (Response to Doubt)

K' Map using Max Terms (Part 1)

K' Map using Max Terms (Part 2)

5 variables K' Map

Quine-McCluskey Minimization Technique (Tabular Method)

Digital Electronics Previous Year Solution of DRDO & ISRO (Part 2)

Digital Electronics Previous Year Solution of DRDO & ISRO (Part 3)

4-Bit Even Parity Generator

Seven Segment Display Decoder

Seven Segment Display Decoder (Part 2)

Seven Segment Display Decoder (Part 3)

Comparison between Combinational and Sequential Circuits

Half Adder

Full Adder

Full Adder using Half Adder

4 Bit Parallel Adder using Full Adders

Half Subtractor

Full Subtractor | Easy Explanation

Realizing Half Adder using NAND Gates only

Realizing Half Adder using NOR Gates only

Realizing Full Adder using NAND Gates only

Realizing Half Subtractor using NAND Gates only

Realizing Half Subtractor using NOR Gates only

Realizing Full Subtractor using NAND Gates only (Part 1)

Realizing Full Subtractor using NAND Gates only (Part 2)

2-Bit Multiplier Using Half Adders

Carry Lookahead Adder (Part 1) | CLA Generator

Carry Lookahead Adder (Part 2) | CLA Adder

BCD Adder | Simple Explanation

Introduction to Multiplexers | MUX Basic

4X1 Multiplexer

8X1 Multiplexer

MUX Tree Basic | 4X1 MUX using 2X1 MUX | Easy Explanation

Implementing 8X1 MUX using 2X1 MUX

Implementing 8X1 MUX using 4X1 MUX (Special Case)

32X1 MUX using 8X1 MUX

Implementation of Boolean Function using Multiplexers

1-Bit Full Adder using Multiplexer

Logical Expression from Multiplexer

Introduction to Demultiplexer | 1:2 DEMUX

1:4 Demultiplexer

Full Subtractor using 1:8 Demultiplexer

Demultiplexer as Decoder

2-Bit Comparator

Introduction to Encoders and Decoders

Priority Encoder

Decimal to BCD Encoder

Octal to Binary Encoder

Hexadecimal to Binary Encoder

Full Adder Implementation using Decoder

Practice Problems on Combinational Circuits (Part 1)

Practice Problems on Combinational Circuits (Part 2)

Practice Problems on Combinational Circuits (Part 3)

Practice Problems on Combinational Circuits (Part 4)

Introduction to Sequential Circuits | Important

SR Latch | NOR and NAND SR Latch

What is a Clock?

Triggering Methods in Flip Flops

How to get Edge Triggering | Simulation using Multisim

Difference between Latch and Flip Flop

Introduction to SR Flip Flop

Truth Table, Characteristic Table and Excitation Table for SR Flip Flop

Introduction to D flip flop

Truth Table, Characteristic Table and Excitation Table for D Flip Flop

Introduction to JK flip flop

Truth Table, Characteristic Table and Excitation Table for JK flip flop

Race Around Condition or Racing in JK Flip Flop

Master Slave JK Flip Flop

Behaviour of Master Slave D Flip Flop

Introduction to T flip flop

Truth Table, Characteristic Table and Excitation Table for T flip flop

5 Steps for Flip Flop Conversions | JK to D Flip Flop Conversion

T Flip Flop to D Flip Flop Conversion

SR Flip Flop to JK Flip Flop Conversion

SR Flip Flop to T Flip Flop Conversion

Preset and Clear Inputs in Flip Flop

Introduction to State Table, State Diagram & State Equation

Design Procedure for Clocked Sequential Circuits

Mealy and Moore State Machines (Part 1)

Mealy and Moore State Machines (Part 2)

Analysis of Clocked Sequential Circuits (with D Flip Flop)

Analysis of Clocked Sequential Circuits (with JK Flip Flop)

Analysis of Clocked Sequential Circuits (with T Flip Flop)

Sequence or Pattern Detector

Sequence Detector (Example)

State Reduction and Assignment

ASM Chart

ASM Chart for Moore State Machine

Difference between Synchronous and Asynchronous Sequential Circuits

Introduction to Counters | Important

Types of Counters | Comparison between Ripple and Synchronous counters

3 Bit Asynchronous Up Counter

4 Bit Asynchronous Up Counter

3 bit & 4 bit Asynchronous Down Counter

3 Bit & 4 Bit UP/DOWN Ripple Counter

Modulus of the Counter & Counting up to Particular Value

State Diagram of a Counter

Decade (BCD) Ripple Counter

How to Design Synchronous Counters | 2-Bit Synchronous Up Counter

3-Bit Synchronous Up Counter

3-Bit & 4-bit Up/Down Synchronous Counter

Ring Counter

Johnson's Counter (Twisted/Switch Tail Ring Counter)

Introduction to Registers

Data Formats and Classification of Registers

Shift Register (SISO Mode)

Shift Register (SIPO & PIPO Mode)

Shift Register (PISO Mode)

Bidirectional Shift Register

Universal Shift Register

Practice Problems on Sequential Circuits (Part 2)

Practice Problems on Sequential Circuits (Part 3)

Programmable Logic Array (PLA) | Easy Explanation

Programmable Array Logic (PAL)