JNTUK B.TECH R20 2-1 Syllabus For Digital electronics PDF 2022


JNTUK B.TECH R20 2-1 Syllabus For Digital electronics PDF 2022

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You will be able to find information about Digital electronics along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Digital electronics after reading this blog. Digital electronics has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Digital electronics can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

All of the Topic and subtopics related to Digital electronics are mentioned below in detail. If you are having a hard time understanding Digital electronics or any other Engineering Subject of any semester or year then please watch the video lectures on the official CynoHub app as it has detailed explanations of each and every topic making your engineering experience easy and fun.

Digital electronics Unit One

Review of Number Systems & Codes:

Representation of numbers of different radix, conversion from one radix to another radix, r- 1’s complements and r’s complements of signed members. Gray code,4 bit codes; BCD, Excess-3, 2421, 84-2-1 code etc., Error detection & correction codes: parity checking, even parity, odd parity, Hamming code.

Boolean theorems and logic operations

Boolean theorems, principle of complementation & duality, De-Morgan theorems. Logic operations; Basic logic operations -NOT, OR, AND, Universal Logic operations, EX-OR, EX-NOR operations. Standard SOP and POS Forms, NAND-NAND and NOR-NOR realizations.

Digital electronics Unit Two

Minimization Techniques:

Minimization and realization of switching functions using Boolean theorems, K-Map (up to 6 variables) and tabular method.

Combinational Logic Circuits Design:

Design of Half adder, full adder, half subtractor, full subtractor, applications of full adders; 4- bit adder-subtractor circuit, BCD adder circuit, Excess 3 adder circuit and carry look-a-head adder circuit

Get Complete Lecture Notes for Digital electronics on Cynohub APP

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Digital electronics Unit Three

Combinational Logic Circuits Design Using MSI &LSI:

Design of encoder, decoder, multiplexer and demultiplexers, Implementation of higher order circuits using lower order circuits. Realization of Boolean functions using decoders and multiplexers. Design of Priority encoder, 4-bit digital comparator and seven segment decoder Introduction of PLD’s:

PLDs: PROM, PAL, PLA -Basics structures, realization of Boolean functions.

Digital electronics Unit Four

Sequential Circuits-I:

Classification of sequential circuits (synchronous and asynchronous) , operation of NAND & NOR Latches and flip-flops; truth tables and excitation tables of RS flip-flop, JK flip- flop, T flip-flop, D flip-flop with reset and clear terminals. Conversion from one flip-flop to another flip-flop. Design of ripple counters, design of synchronous counters, Johnson counter, ring counter. Design of registers – Buffer register, control buffer register, shift register, bi-directional shift register, universal shift register.

Digital electronics Unit Five

Sequential Circuits -II:

Finite state machine; state diagrams, state tables, reduction of state tables. Analysis of clocked sequential circuits Mealy to Moore conversion and vice-versa. Realization of sequence generator and sequence detector circuits, Races and Hazards.

Digital electronics Course Objectives

To solve a typical number base conversion and analyze new error coding techniques.

Theorems and functions of Boolean algebra and behavior of logic gates.

To optimize logic gates for digital circuits using various techniques.

To understand concepts of combinational circuits.

To develop advanced sequential circuits.

Digital electronics Course Outcomes

At the end of the course, student will be able to

Classify different number systems and apply to generate various codes.

Use the concept of Boolean algebra in minimization of switching functions

Design different types of combinational logic circuits.

Apply knowledge of flip-flops in designing of Registers and counters

The operation and design methodology for synchronous sequential circuits and algorithmic state machines.

Digital electronics Text Books

Switching and finite automata theory:ZviKohavi, Niraj K. Jha,Cambridge University Press, 3rd Edition, 2009.

Digital Design by Morris Mano, Prentice Hall India, 5th Edition.

Digital electronics Reference Books

Digital Principles and Applications by Leach , Malvino , Saha, Mc-Graw Hill, 8th Edition, 2014.

Switching Theory and Logic Design by A. Anand Kumar, PHI learning, 3rd edition.

Introduction to Switching Theory and Logic Design – Fredriac J Hill, Gerald R Peterson, 3rdEdition, John Willey and Sons Inc,

Fundamentals of Logic Design by Charles H. RothJr., Cengage Learning, 7th


Scoring Marks in Digital electronics

Scoring a really good grade in Digital electronics is a difficult task indeed and CynoHub is here to help!. Please watch the video below and find out how to get 1st rank in your examinations . This video will also inform students on how to score high grades in Digital electronics . There are a lot of reasons for getting a bad score in your Digital electronics exam and this video will help you rectify your mistakes and help you improve your grades.

Information about JNTUK B.Tech R20 Digital electronics was provided in detail in this article. To know more about the syllabus of other Engineering Subjects of JNTUH check out the official CynoHub application. Click below to download the CynoHub application.

Get Complete Lecture Notes for Digital electronics on Cynohub APP

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