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- Exam_3RT3
Тест:
Exam_3RT3
08.06.2026
Вміст тесту:
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________ is the range of frequencies over which a signal or system operates.
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An electromagnetic wave that propagates through free space at the speed of light is known as a_________
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What is the process of reversing modulation to recover the original information from a received signal?
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A ________ is an electronic system that accepts data, modulates it onto a carrier wave, and radiates it through space.
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________ is the rate at which a signal oscillates, typically measured in Hertz (Hz).
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The ________ is an electronic instrument that provides a visual representation of how a signal's voltage changes over time.
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The acronym CDMA stand for?
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Messages travel from transmitter to receiver with help of________
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A metallic structure that captures and/or transmits radio electromagnetic waves is called___________
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_______is a method of broadcasting that uses continuous radio waves to encode and transmit information.
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The physical distance between the peak of one wave and the peak of the next.
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_____________is a telecommunication system used for transmitting moving images and sound
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_____________a massive, global system of interconnected computer networks that communicate with each other using standardized protocols.
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__________a portable telephone that uses radio waves to communicate wirelessly, without the need to be connected to a physical network.
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Resistance is measured in______
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