This book contains seven chapters with two parts: Problems on Digital Logic Design and Assembly Language Programming.All the chapters include simple and basic concepts followed by solved problems and exercises with solutions.The solved problems are well organized from simple to complex concepts in the form of problems.It is recommended to Computer Engineering, Electrical Engineering, Computer Science and Hard Information Technology students.As I have been teaching the course Digital Logic Design and Assembly Language Programming, I recommend this book for course instructors as a quick reference.Because of the nature of the book organization, the students can easily understand the idea behind Digital Logic Design and Assembly Language Programming.