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Device configuration overlay (DCO) is a hidden area on many of today's hard disk drives (HDDs). Usually when information is stored in either the DCO or host protected area (HPA), it is not accessible by the BIOS (or UEFI), OS, or the user. However, certain tools can be used to modify the HPA or DCO.
Siemens DCO, a telephone switch; Drift City Online, a game; Domain controller, on Microsoft Servers; Developer Certificate of Origin, used in open source software projects to verify individual contributions
FLASH (Z) is reserved for initial enemy contact messages or operational combat messages of extreme urgency. Brevity is mandatory. Brevity is mandatory. FLASH messages are to be handled as fast as humanly possible, ahead of all other messages, with in-station handling time not to exceed 10 minutes.
A few DCO's were created for the cellular phone networks, but this was very limited. In 1990 Siemens purchased Stromberg Carlson and moved its EWSD production to the Lake Mary, Florida production facility in 1991. In the next few years Siemens slowly phased out the DCO as a line side central office switch. The DCO-CS was continued through the ...
The DCO was seen at the time as an improvement over the unstable tuning of VCOs. However, it shared the same ramp core, and the same limited range of waveforms. Although sophisticated analogue waveshaping is possible, [ 5 ] the greater simplicity and arbitrary waveforms of digital systems like direct digital synthesis led to most later ...
Error-correcting codes are used in lower-layer communication such as cellular network, high-speed fiber-optic communication and Wi-Fi, [11] [12] as well as for reliable storage in media such as flash memory, hard disk and RAM. [13] Error-correcting codes are usually distinguished between convolutional codes and block codes:
Instead of a signed legal contract, a DCO is an affirmation that a certain person confirms that it is (s)he who holds legal liability for the act of sending of the code, that makes it easier to shift liability to the sender of the code in the case of any legal litigation, which serves as a deterrent of sending any code that can cause legal ...
A direct commission officer (DCO) is a United States uniformed officer who has received an appointed commission without the typical prerequisites for achieving a commission, such as attending a four-year service academy, a four-year or two-year college ROTC program, or one of the officer candidate school or officer training school programs, the latter OCS/OTS programs typically slightly over ...