General Science - Physics (Basics)
What is the primary role of a modem in communication technology?
What is the primary role of a modem in communication technology?
medium Q4 of 15
Step-by-Step Solution
Step 1: Understand modem functionality
A modem modulates digital signals into analog signals for transmission and demodulates received analog signals back into digital form.Step 2: Differentiate from other devices
Amplifiers increase signal strength, antennas transmit or receive waves, but do not convert signal types.Final Answer:
Convert digital signals to analog and vice versa → Option DQuick Check:
Modem function = Digital to analog conversion ✅
Quick Trick: Modem = MOdulator + DEModulator
Common Mistakes:
- Confusing modem with amplifier or antenna functions.
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