Definitions for "Embedded System"
A specialized system located, typically, in a single system board with the operating system and programs accessed from ROM. While most consumers aren't aware that they exist, they are extremely common, ranging from industrial systems to VCRs and many Net devices.
A system that is located entirely on a processor. All logic is contained in a single chip and has a single purpose. New cars have many embedded systems...
A system that performs or controls a function, either in whole or in part, as an integral element of a larger system or subsystem.