Information and communication technologies.
- Telephone .
- Computer.
- Radio .
- TV.
- Tablet.
- Internet.
- Cellphone .
- GPS.
- Drones .
- Camera .
How does the radio transmit information ?
AM: Modulate Amplitude . KHz
FM: Modulate Frequency . MHz
Modulation: Is the process of interpreting the different sound of transsmition .
Remodulation: received the information that is being transmitted and convert it into understandable sound.
How television broadcast works :
Radio Waves:
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