What is the primary purpose of a modulator in a communication system?

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Question: What is the primary purpose of a modulator in a communication system?

Options:

Correct Answer: To convert digital signals to analog

Solution:

A modulator converts digital signals to analog for transmission.

What is the primary purpose of a modulator in a communication system?

What is the primary purpose of a modulator in a communication system?

Step 1: Understand that communication systems need to send information over distances.
Step 2: Know that information can be in two forms: digital (like computer data) and analog (like sound waves).
Step 3: Realize that many communication channels (like radio waves) work better with analog signals.
Step 4: Learn that a modulator is a device that changes digital signals into analog signals.
Step 5: Conclude that the primary purpose of a modulator is to prepare digital information for transmission over these channels.

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