Since almost very engieering branch (control, signal processing, communications, dynamic system analysis, ...)uses computers as their tools to handle the information, knowledge of digital system (or discrete-time system) become foundamental for very engineer. This course will introduce the basic skills required for the analysis and control of such systems. It is a course suitable for students who have taken the Automatic Control course. This course is mainly of undergraduate level, but is also suitable for graduate students who are not familar with digital control.