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ãão TDMA-CDMA HLR
ãão GSM-TDMA-CDMA mobility gateway
ããGoogle: web search engine, etcã
ããHP: Here is a tiny fraction of HP's C++ apps:
ãão C, C++, Fortran90 compilers, and linker for the new HP IA64 platform (these add to more than 1 million lines of C++ code).
ããIBM: o OS/400.
ãão K42: a high performance, open source, general-purpose operating system kernel for cache-coherent multiprocessors.
ããIntel:o Vtune performace analysis software
ãão compilers and optimizers
ãão lots of chip design and manufacturing software
ããJPL (Jet Propulsion Lab, NASA): Mars rover autonomous driving system (incl. scene analysis and route planning). C++ on Mars! Also lots of supporting software "on the ground" (i.e. Earth).
ããMicrosoft:o Windows XP
ãão Windows NT (NT4 and 2000)
ãão Windows 9x (95, 98, Me)
ãão Microsoft Office (Word, Excel, Access, PowerPoint, Outlook)
ãão Internet Explorer (including Outlook Express)
ãão Visual Studio
ãão SQL
ããMozilla: Firefox browser and Thunderbird mail client (open source)
ããMySQL: MySQL Server (about 250,000 lines of C++) and MySQL Cluster. Arguably the world's most popular open source database
ããNokia: o Mobile Communications radio-station/internet bridges: FlexiGGSN (Gateway GPRS Support Node) and FlexiSGSN (Server GPRS Support Node).
ãão MSC/HLR
ããSun: o The HotSpot Java Virtual Machine is written in C++
ããSymbian OS: rationale: "[...] using C++ for all system code, from the kernel upwards." This is one of the most widespread OS's for cellular phones
ããKDE from linux is written in C++.
ããtelephone systems: I think it would be almost easier to list the systems which aren't written in C++
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