The object oriented toaster

Once upon a time, in a kingdom not far from here, a king summoned two of his advisors for a test. He showed them both a shiny metal box with two slots in the top, a control knob, and a lever.

“What do you think this is?”

One advisor, an Electrical Engineer, answered first.

“It is a toaster,” he said.

The king asked, “How would you design an embedded computer for it?”

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