This course introduces the foundational concepts of digital communication, focusing on the theory and techniques used in modern communication systems. Key topics include signal representation, Fourier transform, digital modulation techniques, and error detection and correction. The course also covers source coding, compression, channel coding, and system capacity, along with protocols for efficient communication. Students will explore the challenges of transmitting signals over noisy channels and discover real-world applications of digital communication in various industries. Ideal for students interested in telecommunications, networking, and signal processing.