We've got 16 shorthands for tops-20 »
Acronyms that contain the term tops-20
What does tops-20 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: tops-20.
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Term | Definition | Rating |
---|---|---|
MOST | Multispectral Observations of Storm Tops | |
SNTT | Susan Needs T Tops | |
ALOT | Allows Lows Or Tops | |
TTES | TOPS Tech Early Start | |
BOXTOP | Box Tops | |
TASA | Tops At Serving Attorneys | |
BARRT | Bump and run reversal tops | |
2ND C OF T | Second Captain Of Tops | |
TUBD | Tops UP Bottoms DOWN | |
C OF T | Captain Of Tops | |
BTT | Brooklyn Tip Tops | |
TT | Tops Tumblr | |
BTFA | B***h Tops F*** Anywhere | |
1ST C OF T | First Captain Of Tops | |
NERT | North Essex Rag Tops | |
TFP | Tops Filing Protocol |
What does tops-20 mean?
- TOPS-20
- The TOPS-20 operating system by Digital Equipment Corporation (DEC) is a proprietary OS used on some of DEC's 36-bit mainframe computers. The Hardware Reference Manual was described as for "DECsystem-10/DECSYSTEM-20 Processor" (meaning the DEC PDP-10 and the DECSYSTEM-20).TOPS-20 began in 1969 as the TENEX operating system of Bolt, Beranek and Newman (BBN) and shipped as a product by DEC starting in 1976. TOPS-20 is almost entirely unrelated to the similarly named TOPS-10, but it was shipped with the PA1050 TOPS-10 Monitor Calls emulation facility which allowed most, but not all, TOPS-10 executables to run unchanged. As a matter of policy, DEC did not update PA1050 to support later TOPS-10 additions except where required by DEC software. TOPS-20 competed with TOPS-10, ITS and WAITS—all of which were notable time-sharing systems for the PDP-10 during this timeframe.
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"tops-20." Abbreviations.com. STANDS4 LLC, 2024. Web. 29 May 2024. <https://www.abbreviations.com/tops-20>.
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