Question

_____ were computers that allowed users to connect using dial-up connections through telephone lines to read and post messages in a common discussion forum.

Answer 1

Bulletin board systems (BBSs)

Step-by-step explanation:

For the exchange of messages on the networks, Bulletin board Systems were used. They are dedicated computers or application for the task. the BBS was used to post simple messages between users. The user could connect to the system using terminal programs. They had to log-in to the system first to avail the services it provided.