What type of communication would be suitable for a one-way broadcast?

Simplex communication is suitable for a one-way broadcast because it allows data to flow in only one direction. This means that a sender can transmit messages to a receiver without the receiver being able to send messages back. This type of communication is often used in situations where feedback or response from the recipient is not required, such as in television broadcasts, radio transmissions, or public announcements.

In contrast, full duplex communication allows for simultaneous two-way communication, where both parties can send and receive messages at the same time. Half duplex communication permits two-way communication but not simultaneously; one party must finish sending their message before the other can respond. Bidirectional communication refers to the capability for data transmission in both directions, which would not be appropriate for a strict one-way broadcast scenario. Thus, simplex is the most appropriate option for one-way communication needs.