This course introduces students to the principles of digital computer design, particularly the fundamentals of modern digital logic design including logic gates, Boolean algebra, Karnaugh maps, flip-flops, and state-machines. It examines the binary number system, hexadecimal notation and computer arithmetic. This exploration of "low level" computing is complemented by an introduction to the basic elements of a modern computer, its organisation and architecture. In addition, students are introduced to assembly and machine language programming.