Synthesizers are found in any device that must operate over a range of frequencies. Which of the following is an example of such a device?
A)Resonant tank circuits
B)Cellular phones
C)Rotary dial phones
D)Landline phones

Question

Quizplus · Accepted Answer

Cellular phones operate over a range of frequencies to communicate wirelessly with cell towers and other devices. Synthesizers help generate and control these frequencies. The other options are not relevant to the use of synthesizers.

Synthesizers Are Found in Any Device That Must Operate Over