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Results tagged with mainframe
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user 7493
for questions about retrocomputing mainframes or clusters
3
votes
Documents about timesharing systems, access and resource control and its financials
Another aspect to consider in this discussion is the EDI VANs. EDI is Electronic Data Interchange, and is part and parcel to the wholesale/retailer supply chain. In brief terms, it's a way for retaile …
- 12.5k
4
votes
Uh, oh, I've woken up in 1973. Can I get a job in computing?
Depends on the position.
Honestly, you're not really qualified for a lot of the work.
You don't know the languages, you don't know the operations, much of the work is routine processing and ETL, so it …
- 12.5k
15
votes
References for the complexity of the COBOL language
If you want to catch a glimpse of the implicit complexity of COBOL, I suggest taking a quick run through these GnuCOBOL syntax diagrams.
The reason that COBOL is complex is that COBOL is not simply a …
- 12.5k
5
votes
What did order processing on a teletype look like?
First, Payroll is really apt for batch processing. It runs once a week or twice a month in general, and it tends to be all done at once on "payday". So each week the operators key in the time cards, t …
- 12.5k
16
votes
Accepted
How was it possible to run IBM mainframe software in emulation on HP?
While a mainframe is particularly sophisticated, that does not mean that the actual applications are particularly sophisticated. This was a Hotel Management and Reservations System. … So, I doubt they were actually running a "virtual" mainframe, rather I think they had a compatibility layer supported by their development environment that made porting their software straight forward, …
- 12.5k
8
votes
What was the most critical supporting software for COBOL on IBM mainframes?
Many a IBM mainframe have been replaced by modern Unix machines with completely new software applications. …
- 12.5k