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What is a device, exactly? A smartwatch? A gaming console? A washing machine? A smart home controller?

If you say a general-computing device, I’d agree. It’s a slippery slope, though.

Anything what can execute software is a computer. From a tamagochi to a mainframe.

Appliances use chips that execute software, but they also delegate safety critical functionality to the software. There's hardware designs out there that depend on correct software functioning for safety or to avoid breaking the hardware, or the user, or the law. For example, cars.

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