DIGITAL TECHNIQUES 313303
Subject: Digital Techniques (313303)
Welcome to the Digital Techniques (Course Code: 313303) learning portal. This page contains the complete syllabus, practical experiments, and classroom practice resources for Second Year Computer Science & Engineering (SY CSE) students.
📘 Theory Section
The theory syllabus is divided into the following five units:
Unit 1: Number Systems
Introduction to Digital Electronics, Number Systems, Decimal & Binary Number Systems
Octal & Hexadecimal Number Systems, Number System Conversions
Binary Arithmetic: Addition, Subtraction, Multiplication
Binary Division, 1's Complement and 2's Complement Subtraction
BCD, Gray, Excess-3, ASCII Codes, Code Conversion, BCD Arithmetic
Unit 2: Logic Gates and Boolean Algebra
Logic Families and Characteristics
TTL, CMOS and ECL Comparison
Positive and Negative Logic Systems
Basic Logic Gates (AND, OR, NOT)
Universal Gates (NAND, NOR)
Special Gates (EX-OR, EX-NOR)
Buffer, Tri-State Logic, Uni/Bidirectional Buffer
Boolean Algebra Laws, Duality and DeMorgan's Theorem
Unit 3: Combinational Logic Circuits
SOP, POS, Minterms and Maxterms
SOP ↔ POS Conversion
NAND/NOR Realization
K-Map (2 Variable)
K-Map (3 Variable)
K-Map (4 Variable SOP)
K-Map (4 Variable POS)
Half Adder and Full Adder
Half Subtractor and Full Subtractor
n-bit Adder and n-bit Subtractor
Encoder, Decoder, Priority Encoder
BCD to 7 Segment Decoder, Keyboard Encoder, MUX, DEMUX, MUX Tree, DEMUX Tree
Unit 4: Sequential Logic Circuits
Introduction to Sequential Logic Circuits
Clocked & Unclocked Systems, Memory Cell
RS Latch using NAND and NOR
Triggering Methods, SR Flip-Flop
JK Flip-Flop
D Flip-Flop
T Flip-Flop
Excitation Tables and Applications
Race Around Condition
Master-Slave JK Flip-Flop
Shift Registers (SISO, SIPO, PISO, PIPO)
Universal Shift Register, Counters, Ripple Counter, Ring Counter, Twisted Ring Counter, Decade Counter, MOD-N Counter, Timing Diagrams
Unit 5: Data Converters and Memories
Introduction to DAC, Weighted Resistor DAC
R-2R Ladder DAC, DAC Specifications
ADC Introduction and Block Diagram
Dual Slope ADC
Successive Approximation ADC
Flash ADC, ADC Specifications
Memory Organization, RAM, SRAM, DRAM, ROM
PROM, EPROM, EEPROM, Flash Memory, SIMM, SSD Memory, Comparison of Memories.
🧪 Practical Section
The laboratory experiments included in this course are:
Test the functionality of the given Universal Gates using equivalent 74 Series / CD Series devices.
Verify De Morgan's Theorem I and II.
Implement 2-bit and 3-bit Adder Circuits.
Test the output of a BCD to 7-Segment Decoder using a Digital IC for the given inputs.
Verify the output of a Comparator Circuit using a Digital IC.
Build and test the functionality of a 4:1 / 8:1 Multiplexer.
Build and test the functionality of a 1:4 / 1:8 Demultiplexer.
Implement and verify the Truth Table of an RS Flip-Flop.
Implement and test the functionality of a Master-Slave JK Flip-Flop using a Digital IC.
Construct and test the functionality of D Flip-Flop and T Flip-Flop using Digital ICs.
Build a 4-bit Universal Shift Register and observe its timing diagram.
Implement a Ripple Counter using a Digital IC.
Implement a Decade Counter using a Digital IC.
Test the output of an R-2R Digital-to-Analog Converter (DAC) for the given inputs.
📝 Classroom Examination / Practice Section
Students should regularly practice the following to strengthen their understanding:
Unit-wise Practice Questions
Short Answer Questions (2 Marks)
Descriptive Questions (5 Marks)
Numerical Problems
Previous Year University/MSBTE Questions
Viva Questions
Classroom Assignments
Model Test Papers
📚 Learning Resources
This page will be regularly updated with:
✔️ Unit-wise Notes
✔️ Practical Manuals
✔️ Laboratory Journal Solutions
✔️ Viva Questions and Answers
✔️ Classroom Practice Questions
✔️ Previous Year Question Papers
✔️ Question Bank
✔️ Important MCQs
✔️ Video Lectures
✔️ Exam Preparation Material