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4G curriculum (older)

For students clearing pending subjects of the 4G scheme (7-digit subject codes, e.g. 4341602). Students admitted under the current scheme study the 5G curriculum.

4321102 · Semester 2 · 4G scheme

Digital Electronics

Notes and solutions following the Gujarat Technological University (GTU) syllabus for 4321102. Independent material — not issued by the university.

Electronics & Communication Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    10 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Problem Solver

Step-by-step solutions to typical problems.

PYQ Solutions

Past university papers, fully solved.

  • Solved past papers — detailed answers

    211 pages · English + ગુજરાતી

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  • Solved past papers — short answers

    112 pages · English + ગુજરાતી

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Syllabus units

Unit 1: Number systems and codes8 h · 12 marks
  • Introduction to different Number Systems
  • Conversion from One Number system to another
  • Binary arithmetic operations
  • Codes
Unit 2: Boolean algebra and logic gates9 h · 16 marks
  • Digital Logic Gates
  • Basic theorems and properties of Boolean algebra
  • AND-OR-Invert implementations of Boolean function
  • Universal Gates
  • Algebraic simplification of Boolean expression
  • Sum of Product (SOP) Simplification using Karnaugh map (K-map) upto 4-variables
  • Don't care condition in K-map
Unit 3: Combinational logic circuits9 h · 16 marks
  • Arithmetic Circuits
  • Encoder and Decoder
  • Multiplexers and Demultiplexers
  • Code converters
Unit 4: Sequential logic circuits9 h · 16 marks
  • Flip-flops
  • Shift Registers
  • Counters
Unit 5: Introduction to Memories and logic families7 h · 10 marks
  • Introduction and Types of Memory
  • Overview of different logic family
  • Comparison of different logic families
  • E-waste Management of Digital ICs/Chips

About this course

Digital technology is the fastest growing technology and have revolutionized the electronics Industry. In most of the applications digital technology has replaced analogue technology. Digital logic is heart of digital electronic circuits. A basic understanding of this subject is therefore essential to effectively maintain digital electronic devices. The study of this course will enable the students to test the working and rectify the faults of common digital circuits.