Explore the fundamentals of digital circuits in this lecture focusing on multiplexers and demultiplexers. Learn the core concepts of multiplexors, including their equations and functionality, before delving into demultiplexors and their applications. Discover how decoders function as minterm generators and gain insights into inverters and 3-state buffers. Examine the practical uses of 2:4 decoder/demux configurations in digital circuit design. Enhance your understanding of these essential components and their roles in modern electronics through this comprehensive 26-minute lecture.