This book, suitable for MCA and B.Tech. courses and self study, presents a comprehensive coverage of the technical as well as management aspects. Instead of one narrow topic, this classroom tested book covers the major building blocks (embedded applications, use of embedded system in mobile computing platforms, security and management) of embedded system. Numerous real-life case studies and examples highlight the key points. The book starts with a discussion of embedded system and examines embedded system applications. The book concludes with a review of the architectural, security and management/support issues and their role in building deploying and managing embedded system in modern setting. Architecture of Pic Controller, Memory Organization, Bus Architecture, Basic Instruction Set, Basic Programming in PIC 16f877, Port Programming, Timer Programming, Serial Port Programming, Arm Architecture, Memory and Bus Interfacing, Addressing Signal and Timming, amd7tdmi Core and System State, Overview of lpc2148 arm cpu, Momery Mapping, Port Programming, Timer and Serial Port Programming, Functions of OS, Introduction to Kernel, Task and Scheduling, Microcontroller/OS-II