Hybrid Systems

Modems, DSL, using digital data over analog lines.

Darshan N
Updated: 19 March 2026
9 min read

Hybrid Systems Quiz

Test your understanding of modems, DSL technology, and digital data transmission over analog channels.

Question 1 of 3

Q1.A modem (modulator-demodulator) is required to transmit digital data over the Public Switched Telephone Network (PSTN) because: