Concept Notes 1. Introduction to Logic Gates Digital systems work on binary signals (0 and 1). Logic gates are the basic building blocks of digital circuits. The three basic...
In Digital Electronics (DE), logic families and IC technology are very important topics. ECET exams usually ask direct questions about TTL, CMOS, ECL, fan-out, power dissipation, and IC classifications....
Concept Notes 1. What is a Flip-Flop? 2. Types of Flip-Flops (a) SR (Set-Reset) Flip-Flop Characteristic Equation: (b) JK Flip-Flop Characteristic Equation: (c) D (Data or Delay) Flip-Flop Characteristic...
Concept Notes 1. Introduction to SCR SCR behaves like a controlled switch: 2. Modes of Operation 3. V–I Characteristics of SCR 4. Applications of SCR ⚙️ Formulas 🔟 10...
In ECET 2026 Chemistry, Polymers and Plastics are a frequent topic. Questions often appear on types of plastics, their preparation, properties, and applications. 📘 Concept Notes 🌐 What are...
In ECET 2026, IoT (Internet of Things) is an emerging topic. Understanding Arduino basics is very useful because Arduino boards are widely used in IoT prototypes, projects, and smart...
Concept Notes 1. Introduction OSI has 7 layers, each with specific functions. 2. OSI 7 Layers (i) Physical Layer (Layer 1) (ii) Data Link Layer (Layer 2) (iii) Network...
JavaScript is the backbone of modern web development. For ECET 2026 Web section, questions often focus on syntax, variables, operators, data types, and functions. These are easy scoring areas...
Concept Notes 1. Silicon Controlled Rectifier (SCR) Modes of Operation: Key Parameters: Formula for average current in resistive load (HWR with firing angle ): 2. TRIAC (Triode for Alternating...
1. Introduction to Electric Traction Electric traction refers to the use of electric power for locomotion of trains, trams, and metros. Performance of a traction system is studied using...