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IBM 3790 was a computer system developed by the IBM Data Processing Division (DPD) announced in 1975, one of the first distributed computing platforms. It preceded the IBM 8100, announced in 1979. It was designed to be installed in branch offices, stores, subsidiaries, etc., and to be connected to the central host mainframe, using IBM Systems Network Architecture (SNA). ==Components== * The 3791 control unit was offered in two models, Model 1 and Model 2. Both models offered an integrated floppy disk unit and a Synchronous Data Link Control (SDLC) communications interface. Either control unit could optionally include an integrated 120 lines per minute (lpm) line printer, and could attach up to sixteen IBM 3277 display stations, up to three 3292 auxiliary control units, and up to four 3793 keyboard-printers. A 1200 baud internal or external modem was optional. The model 1 supported 8.3MB of disk storage and the model 2 up to 26.9MB. * The 3792 auxiliary control unit had options for attachment of up to two dial-in IBM 2741 communications terminals, up to four 3793 display stations, and a line printer. * The 3793 printer-keyboard. * The 3411 model 1, Magnetic tape unit and controller (added in 1977) and up to three 3410 tape units attached to the 3411 unit. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IBM 3790」の詳細全文を読む スポンサード リンク
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