The document discusses embedded computing systems and outlines some key points: - Embedded systems are part of larger systems that perform specific functions in constrained, reactive environments using a combination of hardware and software. - They have real-time requirements and challenges include high complexity, distributed networks, and meeting deadlines with increasing functionality. - Embedded systems come in many forms, from automotive and industrial control systems to wireless sensor networks and systems within the human body.

1. Embedded Computing Systems Rajesh Gupta, UC San Diego, CA mesl . ucsd . edu

3. "Embedded Everywhere"

5. Example: Automotive Embedded Systems Dominated by software and networking complexities

8. But that is just the beginning… Embedded Systems come in many (more) shapes.

11. Computers + Radios = Mobile Platforms

12. Sensor Nodes as Wireless Networked Embedded Systems Source: Estrin, MOBICOM’03

27. Major OS Structures monolithic microkernel cyclic executive exo kernel

29. A changing ecosystem of embedded systems “ Text” Timing- Dependent Data Real-World Sensor Inputs Single- or Few- Threaded Multi-Threaded OS Kernels/ Device Drivers MS Word cat Robotics Sensor Networks Distributed, Timing Dependent System MPI/Linda Distributed Robotics Squid TCP System/Internal Uncertainty Data/External Uncertainty Jeremy Elson, Microsoft

30. In the Human Body Source: Shkel (MAE), Ikei (Biomed), Zheng (ENT), UC Irvine

31. Into Fabrics and Buildings Ember radios and networks Source: Ember Networks