The book contains: Introduction to Microprocessor: Intel 8085 Microprocessor: Architecture, pins & signals, Register organization, Timing & control unit, Instruction Timing & Execution, Instruction set of 8085, Memory & I/O Addressing, Assembly language programming using 8085 instructions set. Intel 8086 (16 bit): Introduction, pins & signal description, Architecture, Bus timing, minimum mode 8086, and maximum mode 8086, Multiprocessor: parallel processing, Instruction sets of 8086: Instruction formats, Addressing modes, Instruction set: data transfer instruction, arithmetic and logic instruction, program control instructions, Assembly language programming with 8086, iterative procedure, recursive procedure, parameter passing.