This course presents concepts and methods used in digital design. The course also presents basic tools for designing combinational and sequential circuits. This course will focus on methods and processes suitable for a variety of designs using classical methods along with modern tools that can be applied to computers, control systems, data transmission ... Students are able to grasp the following issues: Number system; Numerical arithmetic calculation; Boolean Algebra; Logic gate; Design of combinational circuits; CMOS logic design; Flip-Flops; Counters and registers; Design sequential circuits