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INFO: Full form for CORD is Computer with Online Remote Devices in Computing category
CORD also has other full forms in other categories mentioned below.

INFO: Full form for COPS is Co-Operative Printing Solutions in Computing category
COPS also has other full forms in other categories mentioned below.

INFO: Full form for COPS is Compiler Production System in Computing category
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INFO: Full form for COPS is Common Operations in Computing category
COPS also has other full forms in other categories mentioned below.

The Computer Oracle and Password System (COPS) was the first vulnerability scanner for Unix operating systems to achieve widespread use. It was created by Dan Farmer while he was a student at Purdue University. Gene Spafford helped Farmer start the project in 1989.

INFO: Full form for COPS is Computer Oriented Partial Sum in Computing category
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INFO: Full form for COPS is Connection Oriented Packet Switching in Computing category
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INFO: Full form for COPS is Concept Oriented Programming System in Computing category
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INFO: Full form for COPS is Connection Oriented Presentation Service in Computing category
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The Cray Operating System (COS) is a Cray Research operating system for its now-discontinued Cray-1 (1976) and Cray X-MP supercomputers. It succeeded the Chippewa Operating System (shipped with earlier Control Data Corporation CDC 6000 series and 7600 computer systems), and was the Cray main OS until replaced by UNICOS in the late 1980s. COS was delivered with Cray Assembly Language (CAL), Cray FORTRAN (CFT), and Pascal.

INFO: Full form for COS is Corba Object Services in Computing category
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INFO: Full form for COS is Common Operations Services in Computing category
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INFO: Full form for COS is Cassette Operating System in Computing category
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INFO: Full form for COS is Clip On Socket in Computing category
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INFO: Full form for COS is Configuration Object Set in Computing category
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A telephone exchange, telephone switch, or central office is a telecommunications system used in the public switched telephone network (PSTN) or in large enterprises. It interconnects telephone subscriber lines or virtual circuits of digital systems to establish telephone calls between subscribers.

In historical perspective, telecommunication terms have been used with different semantics over time. The term telephone exchange is often used synonymously with central office, a Bell System term. Often, a central office is defined as a building used to house the inside plant equipment of potentially several telephone exchanges, each serving a certain geographical area. Such an area has also been referred to as the exchange or exchange area. In North America, a central office location may also be identified as a wire center, designating a facility to which a telephone is connected and obtains dial tone. For business and billing purposes, telecommunication carriers define rate centers, which in larger cities may be clusters of central offices, to define specified geographical locations for determining distance measurements.

In the United States and Canada, the Bell System established in the 1940s a uniform nationwide numbering system of identifying central offices with a three-digit central office code and a three-digit numbering plan area code (NPA code, or area code). Central office codes were unique in each numbering plan area. The NPA code and the central office code were used as prefixes in subscriber telephone numbers. With the development of international and transoceanic telephone trunks, especially driven by direct customer dialing, similar efforts of systematic organization of the telephone networks occurred in many countries in the mid-20th century.

For corporate or enterprise use, a private telephone exchange is often referred to as a private branch exchange (PBX), when it has connections to the public switched telephone network. A PBX is installed in enterprise facilities, typically near large office spaces or within an organizational campus to serve the organization's telephones and any private leased line circuits. Smaller installations might deploy a PBX or key telephone system in the office of a receptionist.

Commercial Operating System (COS) is a discontinued family of operating systems from Digital Equipment Corporation.

They supported the use of DIBOL, a programming language combining features of BASIC, FORTRAN and COBOL. COS also supported IBM RPG (Report Program Generator).