The public telephone system is an example of a __________ system.
The public telephone system is an example of a __________ system.
The public telephone system is an example of a full-duplex system. In a full-duplex system, data transmission occurs simultaneously in both directions, allowing for two-way communication. This is a characteristic of public telephone systems where both parties can speak and listen at the same time without the need to wait for the other to finish, making full-duplex the correct option.
TDMM page 1-62 (Return Loss)