selected calling system
1X Window System core protocol — The X Window System logo The X Window System core protocol[1][2][3] is the base protocol of the X Windo …
2Mobile operating system — A mobile operating system, also known as a mobile OS, mobile software platform or a handheld operating system, is the operating system that controls a mobile device or information appliance similar in principle to an operating system such as… …
3X86 calling conventions — This article describes the calling conventions used on the x86 architecture.Calling conventions describe the interface of called code: * The order in which parameters are allocated * Where parameters are placed (pushed on the stack or placed in… …
4political system — Introduction the set of formal legal institutions that constitute a “government” or a “ state.” This is the definition adopted by many studies of the legal or constitutional arrangements of advanced political orders. More broadly defined,… …
5Sabre (computer system) — Sabre is a computer reservations system/global distribution system (GDS) used by airlines, railways, hotels, travel agents and other travel companies. Sabre GDS is a unit of Sabre Holdings Sabre Travel Network division. Current North American… …
6Federal Reserve System — FRB and FED redirect here. For other uses, see FRB (disambiguation) and FED (disambiguation). Federal Reserve System …
7IBM System/370 — The IBM System/370 (often: S/370) was a model range of IBM mainframes announced on June 30, 1970 as the successors to the System/360 family. The series maintained backward compatibility with the S/360, allowing an easy migration path for… …
8Mutual Broadcasting System — Type Cooperative radio network (1934–52); corporate controlled radio network (1952–99) …
9Pick operating system — Company / developer Don Nelson, Dick Pick, TRW Programmed in Assembly language Initial release 1965 (GIRLS), 1973 (Reality Operating System) Marketing target Business data processing Available …
10Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… …
