Electronic Bulletin Boards -- See Computer bulletin boards Here are entered works on computer services which function like a community bulletin board and allow a remote caller to dial a central calling place to enter and retrieve messages, access bulletins or notices, etc.
Electronic Business Data Interchange -- See Electronic data interchange Here are entered works on the computer-to-computer exchange of standard business documentation in machine-processable form.
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