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英文字典中文字典相关资料:


  • Why did IBM develop 5250 block mode terminals when 3270 already existed?
    IBM introduced the 3270 family of block mode terminals in 1971, for use with IBM mainframes (System 370 and successors) Then, in 1977, IBM introduced the 5250 family of block mode terminals for us
  • How to connect c3270 terminal with hercules emulator?
    Using a 3270 emulator, start a telnet session to port 3270 for device 010 This is the OS master console It must be defined and connected at IPL, or the IPL will hang The first instruction gives me no trouble Concerning the second instruction, I found at this site the workings of the 3270 terminal: Telnet tn3270 Console How-To for Hercules
  • When did smart terminals arrive? - Retrocomputing Stack Exchange
    The SABRE reservation system introduced 'smart' terminals, or at least semi-smart, block mode terminals (like 3270, but ALC bisync multidrop protocol) such as the Sperry Unimatic in the mid to late 60s
  • emulation - How does one customize the 3270 TSO terminal login (NETSOL . . .
    8 When using a pre-built system image such as the "VM 370 sixpack" or "MVS Tur (n)key" under Hercules, when a user connects a 3270 terminal, a login screen comes up with a banned identifying the install (sixpack with one closer to the original VM 370 one, and Turnkey with a full custom one) How does one customize those screens?
  • What did order processing on a teletype look like?
    In fact, if you go to Costco or many other big stores you'll see PCs running essentially a 3270-ish emulation for item lookup and similar applications That isn't quite back to teletype, but it does show, in a slightly different way, that software hasn't changed so much in 50 years
  • rs232 - Did terminals (e. g. VT100) require a terminal driver on the . . .
    3270 Emulation When I was at the University of Maryland, College Park in the early 1980s, there were some Vaxes, a Univac 1100 80 and some other non-IBM large systems, and there were some micros (my first networking course was on the then brand new IBM AT) But the bulk of the CS courses, the primary email system, etc was all on IBM mainframes
  • Did any MS-DOS program ever use the System Request interrupt?
    Both the 3270 PC and the 3270 AT used their own large keyboard with more than a dozen additional keys To handle this, an additional ISA card was used, to which the keyboard was connected via a special cable It handled the additional keys as well as a loop thru mode to use the keyboard as well for regular PC usage
  • Overstriking for APL on 3270s? - Retrocomputing Stack Exchange
    This question addressed the question of APL overstrikes on printing terminals However, IBM also had 3270 video display terminals that supported APL, as well, and those, too, handled overstriking
  • Connect IBM 3481 terminal to RS232? - Retrocomputing Stack Exchange
    According to this site, the 3481 uses the 3270 protocol, which isn't that difficult to parse and process, but definitely not dumb I have seen "middleman" applications that allow to use a 3270-type terminal to interact with other applications (e g z OS UNIX) which expect dumb terminals, but usage is quite different from what one is used to
  • What is a Dumb Terminal? - Retrocomputing Stack Exchange
    While the 3270 offered a great way to offload low-level interactivity (aka editing) without leaving the basic terminal paradigm, later development stopped them being terminals but rather stations with local programming and local data processing Essentially the point when the modern PC was born





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