By adding modem to your 64, you can communicate with
other computers, large and small. Using phone lines as
bridges, you can upload (send) and download (receive) text and
programs, sharing with others who are also connected to the
system.
COMPUTERS Telecomputing on the Commodore 64 in
troduces you to telecommunications. Starting out with simple
discussions and glossary of terms for beginners, the book
shows you how telecomputing works, including discussions of
ASCII and RS-232. There's also advice on using information
services (like CompuServe) and bulletin board systems (small
er, special interest telecomputing services).