Electronic Bulletin Boards -- See Computer bulletin boards Here are entered works on services that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, via a dedicated telephone line established for the purpose. Works on services, commonly called newsgroups and LISTSERV lists, that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, usually by means of the Internet, a commercial online service, or electronic mail are entered under Electronic discussion groups. Works on services that allow a person, using a computer, to engage in an actual "conversation" with other people in real time are entered under Online chat groups.
Electronic Business -- See Electronic commerce Here are entered works on the exchange of goods and services and the transfer of funds through electronic communications.
Electronic Calculating Machines -- See Computers Here are entered works on modern electronic computers first developed after 1945. Works on present-day calculators, as well as on calculators and mechanical computers of pre-1945 vintage, are entered under Calculators. --headings beginning with the word Computer