ObfuscationObfuscation is a technique used to complicate code. Obfuscation makes code harder to understand when it is de-compiled, but it typically has no affect on…
objectAn entity such as a file, folder, shared folder, printer, or Active Directory object, described by a distinct, named set of attributes.
object constructionThe creation of an object, usually via the new operator. When an object is created, an appropriate constructor from its class is invoked.
Object IdentifierA specialized formatted number that is registered with an internationally recognized standards organization.
Object identifier (OID)A number that identifies an object class or attribute. Object identifiers (OIDs) are organized into an industry-wide global hierarchy.
Object Linking and Embedding (OLE)(OLE)Object Linking and Embedding developed by Microsoft. Allows objects from one application to be embedded within another (e.g.
Object Management Group (OMG)(OMG)The Object Management Group is a computing industry collaboration to promote object-oriented interoperability among heterogeneous computing environments.
object persistenceIn a video display, distortion wherein the entirety of some object (or objects) that appeared in a previous frame (and that should no longer appear)…
object protection levelThe integrity level of an object, stored in a token or an objectâs system access control list (SACL).
Object Rate (Max)The maximum rate (per second) that a sensor can acquire RVs, decoys, AOs, or fractionated missile/PBV debris. 207
object referenceA reference to an object. Languages other than Java use term's such as address or pointer.
object retentionIn a video display, distortion in which a fragment of an object that appeared in a previous frame (and should no longer appear) remains in the current and…
object reuse1. Reassignment and re-use of a storage medium containing one or more objects after ensuring no residual data remains on the storage medium.
object serializationThe writing of an object's contents in such a way that its state can be restored, either at a later time, or within a different process.
Object-OrientedA software development approach that organizes software as a collection of objects containing both data structure and behavior.
Object-Oriented AnalysisThe process by which a real-world problem is examined in terms of a collection of objects to understand requirements, without planning the implementation.
object-oriented designA software design method that models the characteristics of abstract or real objects using classes and objects.
object-oriented languageProgramming languages such as C++ and Java that allow the solution to a problem to be expressed in terms of objects which belong to classes.
Objects in FOV (Max)The maximum number of RVs, decoys, AOs, or fractionated missile/PBV debris that a sensor can acquire at one time.
ObligationAn order placed, contract awarded, service received, or similar transaction during a given period that will require payments during the same or a future…
Obligation Authority(1) A congressional authorization to procure goods and services within a specified amount by appropriation or other authorization.
ObscurantA material (e.g., smoke or chaff) used to conceal an object from observation by a radio or optical sensor.
obsoleteIn cryptography, pertaining to the state of a key that must no longer be used either to transmit information from the originator or to process received…
obsolete dateIn encryption, the date and time when a key becomes obsolete. [After X9.17]
OccupancyIndicates whether the property to which the loan application relates will be the owner's principal dwelling.
occupied bandwidthThe width of a frequency band such that, below the lower and above the upper frequency limits, the mean powers emitted are each equal to a specified…
oceanographic data interrogating stationA station in the maritime mobile service the emissions of which are used to initiate, modify or terminate functions of equipment directly associated with…
oceanographic data stationA station in the maritime mobile service located on a ship, buoy, or other sensor platform the emissions of which are used for transmission of…
OCR (Optical Character Recognition)A technology process that translates and converts printed matter on an image into a format that a computer can manipulate (ASCII codes, for example) and…
OCS(1) Operational Control System. (2) Ozone Depleting Chemical.
octalNumber representation in base 8. In base 8, only the digits 0 to 7 are used. Digit positions represent successive powers of 8.
octal character constantA character constant in the form \ddd, where each d is an octal digit. This may be used for characters with a Unicode value in the range 0-255.
octetA byte of eight binary digits usually operated upon as an entity.
octet alignmentThe configuration of a field composed of an integral number of octets. Note: If the field is not divisible by eight, bits (usually zeros) are added to…
OCTO GISRefers to the central GIS staff, and not the DC GIS system.
ODDIOffice of the Director of Defense Information. 208
ODESOperational and Developmental Experiments Simulator.
ODISC4Office of the Director of Information Systems for C4.
ODN (Open Data Network)An Open Data Network is capable of carrying all kinds of services for all kind of users from all kind of providers, for example, telephone or computer…
OEC(1) Operational Evaluation Command (US Army term). (2) Other Early Capability.
OECDOrganization for Economic Cooperation and Development.
OEM Preinstallation KitA set of tools, documentation, and samples that enable OEMs to preinstall Windows efficiently on new computers according to the terms of the OEM Licensing…
OFCAbbreviation for optical fiber, conductive. Note: OFC is the designation given by the National Fire Protection Association (NFPA) to interior fiber-optic…
OFCPAbbreviation for optical fiber, conductive, plenum. Note: OFCP is the designation given by the National Fire Protection Association (NFPA) to interior…
OFCRAbbreviation for optical fiber, conductive, riser. Note: OFCR is the designation given by the National Fire Protection Association (NFPA) to interior…
Off the ShelfProcurement of existing system or equipment without an RDT&E program or with minor development to make the system suitable for DoD needs.
off-axis optical systemAn optical system in which the optical axis of the aperture is not coincident with the mechanical center of the aperture.
Off-CardRefers to data that is not stored within the PIV card or computation that is not done by the Integrated Circuit Chip (ICC) of the PIV card.
off-hookIn telephony, the condition that exists when an operational telephone instrument or other user instrument is in use, i.e., during dialing or communicating.
off-hook signalIn telephony, of a circuit, a signal indicating seizure, request for service, or a busy condition.
off-linePertaining to the operation of a functional unit when not under the direct control of the system with which it is associated.
Off-line AttackAn attack where the attacker obtains some data (typically by eavesdropping on an authentication protocol run, or by penetrating a system and stealing…
off-line authentication certificateA particular form of authentication information binding an entity to a cryptographic key, certified by a trusted authority, which may be used for…
off-line cryptosystem[A] cryptosystem in which encryption and decryption are performed independently of the transmission and reception functions. [INFOSEC-99]
off-line data replication.Data replication by storing data off-line, usually a backup tape or disk stored in a safe location; this method is best for applications that can accept a…
off-line recoveryThe process of recovering nonprotected message traffic by use of an off-line processor or central processing unit.
Off-Line StorageElectronic records stored or archived on removable disc (optical, compact, etc.
off-net callingThe process by which telephone calls that originate or pass through private switching systems in transmission networks are extended to stations in a…