Contents 

1. Number Systems and Logic Gates

1. Introduction

2. Decimal Number System

3. Binary Number System

4. Hexadecimal Number System

5. Signed Number Representations

6. Weighted and Unweighted Codes

7. Alphanumeric Representation

8. Logic Gates

9. Basic Logic Gates

10.Derived Logic Gates

11.Applications of XOR gates as parity generator and parity checker

2. Boolean Algebra and Karnaugh Maps

1. Introduction

2. Boolean Algebra Laws

3. De-Morgan’s Theorems

4. Universal Gates

5. Min Term and Max Term

6. Conversion of SOP/POS Expression to its Standard SOP/POS Forms

7. Boolean Algebra and Identities

8. Karnaugh’s Map

Solved Examples

3. Arithmetic Circuits

1. Introduction

2. Rules of Binary Addition and Subtraction

3. Subtraction using 1’s Complement

4. Subtraction Using 2’s Complement

5. Half Adder

6. Full Adder

7. Half Subtractor

8. Full Subtractor

9. 4-bit Parallel Adder

10. Universal Adder – Subtractor

11. Digital Comparator

12. Introduction to ALU

Solved Examples

4. Combinational Circuits    

1. Introduction

2. Multiplexers

3. Demultiplexers

4. Code Converter

5. Encoder and Decoder

5. Sequential Circuits 

1. Introduction

2. Flip-Flops

3. Counters

4. Decade Counter IC 7490

5. Counters for High Speed Applications (Synchronous Counters)

6. Shift Registers

6. Logic Families

1. Introduction

2. Classification of Logic Families

3. Parameters of Logic Families

4. Two Input TTL NAND gates

5. TTL NOT Gate or the Inverter Gate

6. Open Collector Gate

7. Wired OR Operation

8. CMOS Logic Family

9. Precautions While Handling CMOS Gates

10.Tristate Logic