Final answer:
A device is hardware designed for specific purposes, one-way communication uses radios or TVs, technology applies scientific knowledge for practical use.
Explanation:
A device refers to a piece of equipment or hardware that is designed for a specific purpose, such as a smartphone or laptop.
One-way communication is typically facilitated by devices like radios or televisions, where information is transmitted from the source to the receiver without the ability for interaction.
Technology encompasses the application of scientific knowledge for practical purposes, leading to the development and use of tools, machines, and systems to solve problems or achieve goals.
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