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- GIF ... GIF files The CompuServe Information Service popularized the Graphic Interchange Format in the 1980s as an efficient means to transmit images across data networks.
- ISDN 정리 ISDN(Integrated Service Digital Network) 종합정보 통신망. Network). 3) 역시 데이터전송을 위한 패킷 교환 데이터망(PSDN : Packet Switched Data Network). 4) 텔렉스망, 팩시밀리망 등.
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