The Physical Layer

# The Physical Layer: Your Definitive Guide to Network Hardware Ever wondered how your computer sends data as electrical signals, radio waves, or light pulses? The answer lies in the Physical Layer, the foundation of all network communication. It's the unsung hero that makes the internet, your Wi-Fi, and countless other technologies possible. Without it, all the sophisticated protocols and applications above it would be useless. In this comprehensive guide, we'll dive deep into the Physical La