A modulator-demodulator, commonly referred to as a modem, is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as teleph
Acoustic coupler modems used a telephone handset as the audio medium, with the user dialing the desired number and then pressing the handset into the modem to complete the connection. These systems generally operated at a speed of 300 bits per second.
Collection of modems once used in Australia, including dial-up, DSL, and cable modems
A demonstration of AT&T Bell 101 modem in 1958
The original 300-baud Hayes Smartmodem
A bulletin board system, also called a computer bulletin board service, is a computer server running software that allows users to connect to the system using a terminal or a terminal emulator. Once l
Ward Christensen holds an expansion card from the original CBBS S-100 host machine.
Amiga 3000 running a two-line BBS
BBS ANSI Login Screen example