The Embedded Software Definition Experts Use
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Common definitions of embedded software found online are vague and miss the core principles that expert practitioners use. A more precise definition frames embedded software as code that manages data through inputs, processing, outputs, and storage on specialized hardware. Two key principles follow from this: first, data dictates design — the data at the heart of a system should guide all architectural decisions rather than hardware or events. Second, there is no hardware, only data — modern embedded software should be hardware-independent, abstracting hardware into data objects so application code is decoupled from hardware specifics.