Unknown: The 3277 didn't have a status line, but three status lights next to the display. It had 24 lines in total. The status line (Operator Information Area) was introduced in the 3278. This can be verified in the manuals, which are online at bitsavers. Also, 3270 emulation was not a requirement or goal for the IBM PC, and didn't lead to the 25th line. I would much prefer to have a tidy story where the 3270 led to the PC's display, but unfortunately that's not the case. I talked to two of the original IBM PC engineers to check on this. The said the IBM PC team felt absolutely no need to be compatible with other IBM products. In particular, several features of the PC made 3270 compatibility harder: the use of ASCII instead of EBCDIC, little-endian words, and 10 function keys instead of 12.
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July 2021 Austrian night life was fully open up again, with most COVID restrictions being lifted
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