This textbook for courses in Digital Systems Design introduces students to the fundamental hardware used in modern computers‎.‎ Coverage includes both the classical approach to digital system design ‎(‎i‎.‎e‎.‎‎,‎ pen and paper‎)‎ in addition to the modern hardware description language ‎(‎HDL‎)‎ design approach ‎(‎computer‎-based‎)‎‎.‎ Using this textbook enables readers to design digital systems using the modern HDL approach‎,‎ but they have a broad foundation of knowledge of the underlying hardware and theory of their designs‎.‎ This book is designed to match the way the material is actually taught in the classroom‎.‎ Topics are presented in a manner which builds foundational knowledge before moving onto advanced topics‎.‎ The author has designed the presentation with learning Goals and assessment at its core‎.‎ Each section addresses a specific learning outcome that the student should be able to ‎"‎do‎"‎ after its completion‎.‎ The concept checks and exercise problems provide a rich set of assessment tools to measure student performance on each outcome‎.‎