Syllabus for Bachelor of Technology
Computer Engineering
Subject Code: 01EC0102
Subject Name: Digital Electronics
B.Tech. Year – I
Objective: The subject aims to prepare the students,
To understand the basic of Digital Electronic concepts required in analysis and design of digital
electronic circuits and systems.
To understand the number system, logic gates, Boolean algebra, etc.
To understand Construction and operation of various digital circuits such as Adder, Subtractor,
Multiplexer, Demultiplexer, Decoder, Encoder, Flip-flops, Counters, Registers and memory
devices.
To devolve the capability to Simplify, Analyze and Design the Various Digital Electronic Circuits.
Credits Earned: 4 Credits
Course Outcomes: After completion of this course, student will be able to
Perform conversion between various number systems.
Apply knowledge of Boolean algebra and other minimization techniques for digital circuit
design.
Identify, formulate and solve a problem based on combinational and sequential circuits
Select the appropriate hardware and software tools for combinational and sequential
circuit design.
Design various counters.
Verify the functions of various digital integrated circuits.
Evaluate the specifications of logic families.
Create a course project using digital integrated circuits.
Pre-requisite of the course: Elementary knowledge of science and mathematics
Teaching and Examination Scheme
Tutorial/Practical
Teaching Scheme (Hours) Theory Marks Total
Credits Marks
Theory Tutorial Practical ESE IA CSE Viva Term work Marks
3 0 2 4 50 30 20 25 25 150
Syllabus for Bachelor of Technology
Computer Engineering
Contents:
Contact
Unit Topics
Hours
Number Systems and Codes :
Analogue versus Digital, Various Number Systems and Conversion
between them, Accuracy of Conversion, Floating-Point Numbers, Various
1 Binary Codes. 6
Digital Arithmetic :
Basic Rules of Binary Addition and Subtraction, Binary Addition and
2 Subtraction using Complements, BCD Addition and Subtraction, Binary 4
Multiplication and Division, Floating-Point Arithmetic.
Logic Gates and Related Devices :
Positive and Negative Logic, Various Logics Gates with IEEE/ANSI symbols,
3 Boolean equations, truth table and IC Details. Universal Gates, Gates with Open 4
Collector/Drain output, Tristate Gates, AND-OR-INVERT Gates, Schmitt Gates,
Special Output Gates, Fan-Out of Logic Gates, Buffers and Transceivers
Logic Families :
Significance of Families, Characteristic Parameters, Types of Logic Families:
TTL, ECL, CMOS, Bi-CMOS, NMOS and PMOS, Comparison between various logic
4 families. Interfacing between CMOS and TTL logic families 3
Boolean Algebra and Simplification Techniques :
Introduction, Simplification Techniques - Karnaugh Map Method and Tabulation
5 Method 4
,
Combinational Logic Circuits :
Combinational Circuits and its implementations, Arithmetic Circuits - Adders
and Magnitude comparator. Multiplexer, Encoders, Demultiplexers and
6 Decoders, Parity Generation and Checking. 8
Sequential Logic Circuits :
R-S and D Flip-flop, Level Triggered and Edge-Triggered Flip-flops, J-K and T
Flip-flop, Synchronous and Asynchronous Input, Flip-flop Timing Parameters,
7 Binary Ripple Counter, Synchronous Counters, UP/Down Counters, Decade and 10
BCD Counters, Presettable Counters, Decoding Counter, Cascading Counter,
Designing Counter with Arbitrary Sequences, Shift Register, Shift Register
Counters, IEEE/ANSI Symbols for counters and Registers.
Memory Devices :
Syllabus for Bachelor of Technology
Computer Engineering
8 Anatomy of Computer, A computer Systems, Computer Memory, RAM and ROM, 3
Expanding Memory Capacity
Total Hours : 42
References:
1. Anil K. Maini, “Digital Electronics: Principles, Devices and Applications” Wiley-India Pvt. Ltd,
1st Edition, 2008
2. David J. Comer “Digital Logic & State Machine Design”, 3rd Indian Edition, Oxford University Press.
3. M Morris Mano, “Digital Logic and Computer Design”, 4th Edition, 2009, Pearson, LPE, R.P.Jain,
“Modern Digital Electronics”, McGraw-Hill, 4th ed. 2010.
4. Malvino & Leach “Digital Principles and Applications”, 7th Edition, McGraw-Hill Education
Suggested Theory Distribution:
The suggested theory distribution as per Bloom’s Taxonomy is as per follows. This distribution
serves as guidelines to teachers and students for effective teaching-learning process.
Distribution of Theory for course delivery and evaluation
Remember Understand Apply Analyze Evaluate Create
15% 20% 30% 20% 10% 5%
Suggested List of Experiments:
1. Study data sheet of various digital logic circuits and see how to test these circuits using Digital
IC Tester.
2. Study of Digital IC Testers, Logic State Analyzer and Digital Pattern Generators.
3. Verify the truth tables of various Digital Logic Gates.
4. Verify the application of NAND and NOR logic gates as universal gates.
5. Implementation of Boolean Logic Functions using logic gate ICs.
6. Design and implement digital logic for given case study.
7. Measure digital logic gate specifications such as propagation delay, noise margin, fan in and fan out.
8. Implement various combinational logic circuits such as adder, subtractor, decoder,
encoder, multiplexers, demultiplexer, etc.
9. Design any one code converter and implement using discrete ICs on the bread board.
10. Verify operation of various flip-flops, registers and counters using digital ICs.
Open ended problems:
1. Design and Implementation of combinational lock circuit with varying number of bits (For example
4, 8 …..)
2. Design and Implementation of visitor counter for Shopping Mall.
3. Design and Implementation of 4 bit Arithmetic and Logic Unit with minimum 4 functions using
digital integrated circuits.
Syllabus for Bachelor of Technology
Computer Engineering
4. Design and Implementation of a scrolling display.
5. Design and Implement a digital dice which will generate any random number from 1 to 6.
Note: A student and faculty may choose any other such problem which includes the concept used
in the course.
Instructional Methods:
1. The course delivery method will depend upon the requirement of content and need of the
students. The teacher in addition to conventional teaching method (Chalk and Talk) may
use any of the tools such as demonstration, role play, Quiz, brainstorming, MOOCs etc. for
effective teaching.
2. The internal evaluation will be done on the basis of continuous evaluation of students in the
laboratory and class-room.
3. Practical examination will be conducted at the end of the semester for evaluation of
performance of students in laboratory.
4. Students may use supplementary resources such as online videos, NPTEL videos, e-courses,
Virtual Laboratory, etc.
Supplementary Learning Resources / Open Source Software:
1. PSpices and NGSpice
2. Xcircuit
3. NPTEL website and IITs virtual laboratory
Major equipment:
1. Pattern Generators
2. Logic State Analyzers
3. Digital Storage Oscilloscopes
4. Digital Integrated Circuits Tester.
Special skill development (Self-study / Communication):
Each student group (2-3 members) has to prepare any one of the syllabus topic allotted by the
faculty using PPT/functional model and submit the video of presentation as part of the laboratory
term work submission.
