Questions tagged [standards]

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30 votes
3 answers

Why did 1990s-2000s LCD all use 60 Hz refresh?

In the CRT era, refresh rates ranged from 50 to 160 Hz. Some displays could barely do 65, high-end Mitsubishi and Sony tubes could run 120+; most people used 70-100 Hz. GPU DACs and monitor circuits ...
Therac - Peace for Palestine's user avatar
8 votes
1 answer

Was ∆ used in APL as a substitute for space because ECMA-17/ISO 2047 specified △ as graphical representation for space?

Wikipedia on naming conventions in programming states (without source): In APL dialects, the delta (Δ) is used between words, e.g. PERFΔSQUARE (…) This is an unusual choice, but I notice that ECMA-...
Adám's user avatar
  • 659
17 votes
2 answers

When did type punning through violating the strict aliasing rule become disallowed?

Looking at the C code from the Fast Inverse Square Root, the casting of a float to a long is done via pointer arithmetic: i = * ( long * ) &y; // evil floating point bit level hacking The ...
Adam Hyland's user avatar
5 votes
0 answers

Who implemented the IEEE 855 MOSI (Microprocessor Operating System Interfaces) standard?

IEEE 855 – Standard for Microprocessor Operating Systems Interfaces (MOSI) – defines a standard API for use with microcomputer operating systems. Publication timeline: First edition (IEEE 855-1985), ...
Simon Kissane's user avatar