Technology terms starting with D

1,369 terms

distribution group A group of recipients created to expedite mass mailing of messages and other information.
distribution list A group of recipients addressed as a single recipient. Administrators can create distribution lists that are available in the Address Book.
distribution list server Synonym list server.
distribution service In ISDN applications, a telecommunications service that allows one-way flow of information from one point in the network to other points in the network…
distribution voltage drop The voltage drop between any two defined points of interest in a power distribution system.
distribution-quality television Television conforming to the NTSC standard, the SECAM standard, the PAL standard, or the PAL-M standard.
distributor In data transmission, a device that accepts a data stream from one line and places a sequence of signals, one or more at a time, on several lines, thus…
disturbance voltage An unwanted voltage induced in a system by natural or man-made sources. Note: In telecommunications systems, the disturbance voltage creates currents that…
DISUM Daily Intelligence Summary (JFACC term).
DITDS Defense Intelligence Threat Data System.
Dithering In printing, dithering is usually called halftoning, and shades of gray are called halftones.
DITP Discriminating Interceptor Technology Program. The objective of DITP is the development of advanced interceptor seekers to counter advanced threats.
diurnal phase shift The phase shift of electromagnetic signals associated with daily changes in the ionosphere.
DIVARTY Division Artillery (US Army term).
divergence The expansion or spreading out of a vector field; usually said of horizontal winds. It is the opposite of convergence.
Diversity The distribution and abundance of different plants and animals within an area.
diversity combiner A circuit or device for combining two or more signals carrying the same information received via separate paths or channels with the objective of…
Diversity Factor The ratio of the sum of the noncoincidental maximum demands of two or more loads to their coincidental maximum demands for the same period.
diversity gain In radio communications, the ratio of the signal field strength obtained by diversity combining to the signal strength obtained by a single path.
diversity reception Radio reception in which a resultant signal is obtained by combining or selecting signals, from two or more independent sources, that have been modulated…
diversity transmission Radio communication using a reception technique in which a resultant signal is obtained by combining signals (a) that originate from two or more…
divestiture The court-ordered separation of the Bell Operating Telephone Companies from AT&T.
divide and conquer An approach to problem solving that attempts to reduce an overall single large problem into multiple simpler problems.
DIW Defensive Information Warfare.
DL See Description Logics.
DLA Defense Logistics Agency, Alexandria, VA.
DLE Abbreviation for data link escape character.
DLSC Defense Logistics Services Center (Battle Creek, MI).
DLT (Digital Linear Tape) A type of backup tape which can hold up to 80 GB depending on the data file format.
DLZ (Digital Lempel-Ziv) an improved form of the LZW data compression algorithm. See LZW.
DM Dire Maul or Deadmines (if in Westfall)
DM (document management) Techniques used to regulate the creation, use, and maintenance of documents according to established policies and procedures See also electronic document…
DMA Defense Mapping Agency, Fairfax, VA.
DMA (Direct Memory Access) The fastest method of data transfer available for multitasking operating systems.
DME Distributed Management Environment.
DMI Dual-Mode Interceptor. 82
DMOZ The Open Directory Project is the largest human edited directory of websites. DMOZ is owned by AOL, and is primarily ran by volunteer editors.
DMRD Defense Management Review Decision.
DMS (1) Defense Message System. (2) Dissimilar Mission Simulator.
DMSO See: dimethyl sulphoxide.
DMSP Defense Meteorological Satellite Program.
DMU Disk Memory Unit.
DMZ SEE Demilitarized Zone.
DNA The molecules inside cells that carry genetic information and pass it from one generation to the next. Also called deoxyribonucleic acid.
DNMS Distributed Network Management System.
DNS domain naming service
DNS (Domain Name System) An Internet service that translates domain names into PI addresses.
DNS caching A method for preventing unnecessary DNS lookups by caching DNS tables locally.
DNSIX DoDIIS Network Security Information Exchange
DNSO Defense Network Systems Organization.
DO Designated Office the national Office or intergovernmental organization of or acting for the Contracting State designated by the applicant under Chapter I…
do loop One of Java's three control structures used for looping. The other two are the while loop and for loop.
DOC Department of Commerce
docket A log containing brief entries of court proceedings.
DOCPREP Documentation Preparation.
Doctrine Fundamental principles by which the military forces or elements thereof guide their actions in support of national objectives.
document Fed. R. Civ. P. 34(a) defines a document as including writings, drawings, graphs, charts, photographs, phonorecords, and other data compilations.
Document element A document element is a part of a document within the document processing framework.
Document Imaging The conversion of paper based documents to electronic images of the documents through a scan.
document library The storage location for documents in the workspace. See also: documents folder
Document Object Model An API for accessing and manipulating XML documents as tree structures. DOM provides platform-neutral, language-neutral interfaces that enables programs…
Document processing pipeline The document processing pipeline is a sequential set of pre-index document processing stages.
document profile A set of properties applied to similar documents.
document root The top-level directory of a WAR. The document root is where JSP pages, client-side classes and archives, and static Web resources are stored.
Document summary A document summary represents the subset of the matching documents that is returned with a query result.
Document summary field The content of an individual field within a document summary. The set of summary fields returned is typically a sub-set of the indexed fields of a…
Document vector A document vector is simply a set of (keyword, weight) pairs, where keyword is a word or a phrase associated with the document, and weight is a numerical…
document window See window.
Document Workspace Sharepoint Services site that contain a document library, tasks, links, and other information.
Document Workspace site A Web site based on the Document Workspace template that workspace members use for discussing, editing, and working together on a document.
Document-level security Within a search engine document-level security implies that the search index provides the same document access control granularity as the source content…
Document-processing stage The document-processing stage may modify, remove, or add information to a document, such as adding new meta information for linguistic processing, or…
documentary material Records (temporary or permanent), nonrecord material, personal papers or artifacts that refer to all media containing recorded information, regardless of…
documentation An organized set of information that explains the requirements needed to use and maintain a system, process, or project
documents folder A folder that is used to store documents in the workspace.
DOD Department of Defense
DoD -M DoD Manual. 83
DoD Component Acquisition Executive A single official within a DoD Component who is responsible for all acquisition functions within that Component.
DoD Components The Office of the Secretary of Defense; the Military Departments; the Chairman, Joint Chiefs of Staff and Joint Staff; the Unified and Specified Commands…
DoD Directive 5000.1 Defense Acquisition. The principal DoD directive on acquisition. It establishes policies, practices and procedures of governing the acquisition of defense…
DoD Instruction 5000.2 Defense Acquisition Management Policies and Procedures. Implements DODD 5000.1.
DOD master clock The master clock to which time and frequency measurements for the U.S. Department of Defense are referenced, i.e., are traceable. Note 1: The U.S.
DOD-STD Department of Defense Standard.
DoDD DoD Directive.
DoDI DoD Instruction.
DoDIIS DoD Intelligence Information System.
DoDISS DoD Index of Specifications and Standards.
DoDR Department of Defense Regulation.
DoE Department of Energy.
DOF Degrees of Freedom.
Dog House Large Soviet A-frame radar used as a component of the Moscow ABM system having a detection range of approximately 3000 km.
DOM See Document Object Model.
dom0 Also known as the Host or host operating system. dom0 refers to the host instance of Red Hat Enterprise Linux running the Hypervisor which facilitates…
Domain A sub-network of servers and computers within a LAN. Domain information is useful when restoring backup tapes, particularly of email.
domain 0 The first domain to be started on a Xen machine. Domain 0 is responsible for managing the system.
Domain Admin The owner of a particular domain responsible for adding and deleting email accounts and setting configurations associated with that domain.
Domain Alias An additional domain that forwards received mail to another address or group of addresses.
domain controller In an Active Directory forest, a server that contains a writable copy of the Active Directory database, participates in Active Directory replication, and…
domain controller (DC) A computer running NT Server that is contacted when a request comes in to log in a CIFS client or validate a request from an NFS client accessing a file…
Domain Controllers Active Directory core service providers, DCs in the same domain share the same information.