The book contains: Architecture of 8086, Register Organization, Programming Model, Memory Addresses, Memory Segmentation, Physical Memory Organization, Signal Descriptions of 8086 - Common Function Signals, Minimum and Maximum Mode Signals, Timing Diagrams. Instruction Set and Assembly Language Programming of 8086: Instruction Formats, Addressing Modes, Instruction Set, Assembler Directives, Procedures, Macros, Simple Programs Involving Logical, Branch and Call Instructions, Sorting, Evaluating Arithmetic Expressions, String Manipulations. I/O Interface: 8255 Ppi, Various Modes of Operation and Interfacing to 8086, D/A And A/D Converter, Stepper Motor, Interfacing of Dma Controller 8257 Interfacing with Advanced Devices: Memory Interfacing to 8086, Interrupt Structure of 8086, Vector Interrupt Table, Interrupt Service Routine, Architecture of 8259. Communication Interface: Serial Communication Standards, Serial Data Transfer Schemes, 8251 Usart Architecture And Interfacing.