Electronic bulletin board is an electronic system used for advertising on the Internet where other low-powered computers are connected to a central computer through telephone lines. Its use is similar to the bulletin board used in offices, educational institutions or supermarkets where various necessary information, notices, sales and purchases are displayed. Advertisements, personal news etc. are displayed digitally.

By connecting to the bulletin board through a telephone connection from a computer, various news items displayed on it can be collected. For this reason, it is necessary to keep the computer connected to the telephone line. Bulletin board management requires special software that allows users to answer calls from other computers, collect and store messages provided by other computers, and use bulletin board files for users.

Passwords are often used to control the number of users. There is often a monthly charge for using the bulletin board service. www (World Wide Web) currently used for various web pages is the bulletin board of the Internet, which stores and displays the web pages of different countries in the world. Also, wide use of bulletin boards is observed in airports, railway stations or various public places for displaying and disseminating information related to related services.

Kamalapur railway station has such bulletin board which instantly displays the information like schedule of a train, when it will leave, whether it will be late, how long it will be late etc.