Modem (modulator-demodulator)

Finally, at age 19, I get to understand what a modem does. And how a Router is different from the Modem.

At age 21, I forgot because I didn’t write notes for this.

A modem) is a device that connects your home to your ISP via a telephone line, fiber, or cable.

• acts as the “gateway” to the internet

The modem transforms the digital signals from your home network into a form suitable for transmitting over these lines and vice-versa.