Answer:
Speakers.
Explanation: Cause they only output sound, and are devices, further more they are not used to output images, like how could speakers output images using sound? They can't.
USB ports, headphone jack/microphone port, and of course, a power button.
The answer would be an A/V Specialist, because Betsy is working with technical equipment on a TV set.
Explanation:
Electric devices, such as lights and household appliances, change electric current to other forms of energy. For example, an electric stove changes electric current to thermal energy. ... A message encoded this way is called an electronic signal, and the use of electric current for this purpose is called electronics
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Answer:
In robotics, one use the computer has is to help program the robots.
