CODASYL
Short for Conference on Data Systems Languages, and pronounced code-a-sill, an organization founded in 1957 by the U.S. Department of Defense. Its mission was to develop computer programming languages.
CODASYL was responsible for developing COBOL. The organization is no longer extant, but the term CODASYL is still used sometimes to refer to COBOL.
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- COE
Short for common operating environment. A COE specifies a common IT architecture within an organization and promotes interoperability and cross-platform capabilities among an organization’s devices. All workstations within an organization run the same software and use the same interfaces so that its devices are standardized and information presentation and platform interfaces are consistent throughout the […]
- COLD
Acronym for Computer Output to Laser Disk.The storage of data on optical disk, such as CD-ROMs. Storing large volumes of data on laser disk, as opposed to microfiche or microfilm, lets the user access and search this information on a computer, avoid the duplication and security costs of protecting physical documents or film, and more […]
- COM
(1) In DOS systems, the name of a serial communications port. DOS supports four serial ports: COM1, COM2, COM3, and COM4. However, most software uses system interrupts to access the serial ports, and there are only two IRQ lines reserved. This means that the four COM ports share the same two IRQ lines. Typically, COM1 […]
- COMMAND.COM
The DOS file that contains the DOS command processor.
- COM file
In DOS environments, a COM file is an executable command file with a.COM filename extension. COM files can be directly executed and are usually slightly smaller than equivalent EXE files. However, COM files cannot exceed 64K, so large programs are usually stored in EXE files.