The book begins with bipolar and unipolar logic families. It teaches you the TTL and CMOS logic families. It provides in-depth information about analog to digital converters and digital to analog converters. It also covers semiconductor memories and programmable logic devices. Then the book introduces microprocessors and microcontrollers. It introduces microprocessor with basic concepts, terminologies, phases in the execution process, evolution, block diagram, programming, instruction format, addressing modes, architectural advancements, selection criteria and applications. It also explains the block diagram, various types and applications of the microcontrollers. Finally, the book incorporates a detailed discussion of display devices.