noun
personal computer communications service; pre-Internet online service
Historical computing term for dial-up or proprietary online services that predated the widespread consumer Internet, such as NIFTY-Serve or PC-VAN in Japan.
1980年代、パソコン通信サービスは一部のマニアに利用されていた。
In the 1980s, personal computer communications services were used by a niche group of enthusiasts.
Personal computer communications services were an important online medium before the spread of the Internet.