Usage glossary for computers letter D

What is Multitone Discrete Definition DMT Discrete Multitone, a multi carrier modulation method compare
What is Ram Dynamic Explain DRAM Dynamic Random Access Memory (Dynamic-RAM). cf SDRAM why
What is Name Source Data What is logical name used to represent an ODBC connection. Within ODBC each DSN is assigned to a specific ODBC driver and often to a specific database. Each DSN maintains information about the configuration how better
What is Model Elevation Digital Meaning DEM Digital Elevation Model. A model (typically an array/matrix) of elevations when
What is Double Data Rate (SDRAM) Abbreviation that provides twice the data rate of conventional SDR SDRAM, by allowing data to be read on both the rising and falling edge of each clock cycle. DDR is sometimes referred to as DDR1 to distinguish determines
What is Kit Driver Device How to DDK Device Driver Kit. Normally used to refer to the Microsoft Windows Driver Development Kit. Relevant links: www.microsoft.com/whdc/ddk/winddk.mspx comparing to
What is Protection Execution Data Help prevents code from executing from areas of memory that should only contain data (and not code), such as the stack and various memory pools. The rational for this is to prevent an attacker from depends on
What is Dilbert's Pointy Haired Boss Crossword Dilbert character's pointy haired boss.Dilbert is a popular comic strip authored and published by Scott Adam's. It features "Dilbert", an intelligent IT geek. In the Dilbert comic strip the which
What is System File Distributed Examples the process of creating a single directory hierarchy that includes multiple file servers and shared folders in a group, division or enterprise. This allows files and folders to be located on difference
What is Initiative System Dynamic Encyclopedia initiative from Microsoft providing a real-time infrastructure strategy to improve simplicity, automation and flexibility in Windows environments. Relevant links: www.microsoft when
What is Format Web Design Information about DWF Design Web Format. A file format from Autodesk for the secure electronic sharing of 2D and 3D designs, maps and models. Relevant links: www.autodesk.com/dwf - for information about DWF pros and cons
What is Architecture Internet Distributed Tutorial DNA Distributed interNet Architecture. Relevant links: www.calsoft.co.in/techcenter/windows/windowsdna.html similarities
What is Digital Video/Versatile Disk Error have varying capacities from 4.7GB to 17GB. A conventional single layer recordable DVD will hold up to 4.7GB of data per disk. A recordable dual-layer DVD will hold up to 8.5GB of data. Dual-layering how much
What is System Recognition Document Answer DRS Document Recognition System. A system for converting hard copy documents (written or printed) to electronic form, utilizing OCR how many
What is Library Link Dynamic Means what library that can be loaded once by the operating system but used simultaneously by different processes and applications. Typically these have the file extension .dll. Relevant links: www.dll-fi compare
What is Model Surface Digital Description DSM Digital Surface Model, or Digital Surface Modelling why
What is Standard Encryption Data Definition for secret-key cryptography (where both sender and receiver must know the same secret key). DES uses a 56bit key to encrypt data to be transmitted, the receiver uses the same key to decrypt the data how better
What is Disaster Recovery / Dead Reckoning / Development Release / DigitalRadio Explain Reckoning. Dead reckoning is to identify a position based on knowing speed and direction information since a previously known position. 3. Development Release. 4. Digital Radio when
What is 7 Delphi What is D7 Abbreviation for Delphi 7, from Borland. This is the successor to D6 determines
What is Tape Audio Digital Meaning DAT Digital Audio Tape. Originally developed for audio recording. See also DDS. Relevant links: www.dds-tape.com/datordds.html comparing to
What is Algorithm Signature Digital Abbreviation DSA Digital Signature Algorithm depends on
What is Identifier Object Digital How to DOI Digital Object Identifier which
What is Dynamic Host Configuration Protocol Help Protocol. DHCP is a communications protocol where a range of IP addresses are managed centrally and assigned automatically to computers on demand. The alternative is to use static IP address where difference
What is Data Type Definition / Document Type Definition Crossword Document Type Definition. A document that formally specifies for an an XML schema the XML elements, their attributes and their syntax. Given a DTD an XML parser should then be able to parse the XML when
What is Delphi 6 / 6 sided dice Examples D6 1. Abbreviation for Delphi 6, from Borland. Superseded by D7, 2. Die 6. Meaning a (conventional) 6 sided dice, commonly used in games to generate a random number between 1 and 6 pros and cons
What is Dreamweaver / Dear Wife / Data Warehouse Encyclopedia Dreamweaver to give it its full name. This is a popular web site development product from Adobe. 2. Chat abbreviation for "Dear Wife" or "Darling Wife". 3. Data Warehouse similarities
What is Dictionary of geographical names Information about Gazetteer A dictionary of geographical names how much
What is Access Memory Direct Tutorial DMA Direct Memory Access. Allows a device to read/write directly to system memory without using the CPU. Relevant links: http://cnx.rice.edu/content/m11867/latest/ - Article explaining about DMA how many
What is List Block Dns Error of DNS entries from which incoming emails should be blocked. Also known as a DNS Black-hole List. DNSBLs typically list open relays and servers which can be used for RNDR attacks. These are typical compare
What is Device for connecting multiple computers on a network Answer connects two or more computers or devices together on a network allowing them to communicate. The term hub is sometimes (incorrectly) used to refer to a switch, the difference being that a hub is a why
What is Language Command Digital Means what DCL Digital Command Language. The command and scripting language used on a VMS operating system how better
What is Service Name Domain Description System. Provides hostname to IP address translations. See also A Records, CNAME. Relevant links: http://realprogrammers.com/how_it_works/DNS/overview.html - How it works: overview of D when
What is Week Of Day Definition DOW Day Of Week. Normally used to denote a numeric data field that indicates the day of week. The Windows API functions assume the following DOW values: DOW Day 1 Monday determines
What is Department of Education / Department of Energy Explain DOE 1. US Department of Education. 2. US Department of Energy Relevant links: www.fe.doe.gov comparing to
What is Yourself It Do What is DIY Do It Yourself. Refers to any project where you do it yourself (or in-house) rather than buying in external resources for the task. Can also be used to refer to goods that are sold for DIY depends on
What is Language Definition Data Meaning DDL Data Definition Language which
What is Development environment for building web applications and web services Abbreviation scripting language (and software development framework) used to develop web applications and web services.Relevant links: www.adobe.com/products/coldfusion/ www.coldfusioncookbook.com/ www.coldfusion difference
What is Decibel Database How to abbreviation for database. The abbreviation may be applied to any form of database, and does not imply any specific type of database. 2. Decibel (dB). A standard logarithmic scale for measuring the when
What is Digital Rights Management / Digital Radio Mondial / Digital RestrictionManagement Help general term for any technology used to control (i.e. typically limit or restrict) access to digital data or hardware. For example DRM technologies might allow an electronic magazine to be read but pros and cons
What is Differential Power Analysis / Data Protection Act Crossword sophisticated type of attack on smart cards and other cryptographic devices. Uses power consumption and statistical techniques to crack cryptographic keys. Related links: www.cryptography.com similarities
What is Processing Signal Digital Examples DSP Digital Signal Processing. Relevant links: www.bores.com/courses/intro - Free online introduction to DSP course how much
What is Distributed Denial-of-Service Encyclopedia attack). A Denial of Service attack which is launched from multiple systems. A DDOS attack works by trying to overwhelm a server by the sheer number of requests generated by each of the systems how many
What is Digital Equipment Corporation network protocol Information about DECnet Digital Equipment Corporation network protocol compare
What is Document protocol for distributed document search Tutorial Gopher An internet protocol designed for distributed document search and retrieval - Gopher allows databases to be searched. Relevant links: www.ietf.org/rfc/rfc1436.txt - Gopher protocol RFC why
What is Distributed Component Object Model Error DCOM Distributed Component Object Model (Distributed COM how better
What is Broadcast Audio Digital Answer DAB Digital Audio Broadcast (or Digital Audio Broadcasting). Digital radio broadcast, providing better quality and a greater number of channels than traditional (analogue) radio when
What is Protection Data Means what by transforming it in such as way that a reader cannot understand the data unless they know the decryption mechanism. Encryption algorithms come in two general types: Symmetric algorithms and determines
What is Manufacturing For Design Description DFM Design For Manufacturing. To give consideration at the design phase of a product how it will be manufactured; adapting a design to make it more easily manufactured comparing to
What is Container Database Definition DBC Database Container depends on
What is Digital Subscriber Line / Domain Specific Language Explain DSL 1. Digital Subscriber Line. 2. Domain Specific Language(s which
What is Framework National Digital What is DNF Digital National Framework. The Ordnance Survey standard for referencing geographical Information difference
What is Delphi Compiled Unit / Diagnostic Control Units / Data Cache Unit Meaning DCU 1. Delphi Compiled Unit. For details see .dcu file extension. Direct Current. Electrical current that flows in a single direction only, cf AC. 2. Diagnostic Control Unit. 3. Data Cache Unit when
What is Digital Equipment Corporation / Decimal / December / Decrement /Deceased Abbreviation In the history of computing, a large and very influential computing company. DEC were acquired by Compaq (and later by Hewlett-Packard) and no longer exists as a corporate entity. 2. Abbreviation for pros and cons
What is Digital Print Order Format How to Per Inch. DPOF allows printing information (such as print quality and print size) to be associated with an image stored on a memory card. Some photo-printers are able to read and make use of this similarities
What is System Management Database Help DBMS Database Management System. The system (i.e. software) for managing a database how much
What is Bitmap Independent Device Crossword Windows format for holding bitmap data in a known format which is independent of any physical device constraints and can therefore be rendered to any device (e.g. display, printer etc). A DIB may be how many
What is Interface Management Desktop Examples is a method for managing computers in an organisation. The main component, the Management Information Format Database (MIFD), is a database that contains all the information about the local computer compare
What is Dns Dynamic Encyclopedia public) database where DNS information can be stored and retrieved. It allows those using a dynamic IP address (i.e. one where it changes each time the computer connects to the internet) to be why
What is Storage Attached Direct Information about DAS Direct Attached Storage, i.e. disk storage directly connected to a computer, as opposed to NAS or SAN how better
What is Description of a structure Tutorial structure. cf Database schema. 2. In an Oracle database: The collection of database objects that are owned by a particular user are referred to as that user's schema. Every object in the database when
What is Discretionary Access Control List Error DACL Discretionary Access Control List determines
What is Manager Lock Distributed Answer DLM In an Oracle database: Distributed Lock Manager comparing to
What is Discretionary Access Control / Digital to Analogue converter Means what Provides detailed access control on files and resources. See also ACL. 2. Digital to Analogue converter. Any electronic device that converts digital information to an analogue equivalent depends on
What is Detailed digital map data from Ordnance Survey Description Ordnance Survey providing a overview of geographical information on England, Scotland and Wales. Relevant links: http://www.ordnancesurvey.co.uk/productpages/strategi/index_search.htm which
What is Database Administrator / Decibels Adjusted Definition DBA 1. Database Administrator. The DBA is responsible for the day to day efficient management of a database system. 2. Decibels Adjusted. This is written as dB(A difference
What is Plan Recovery Disaster Explain contingency plan covering how a business should recover from potential disasters disaster and continue functioning. Occasionally referred to as a Business Continuity Plan (BCP when
What is Digital Millennium Copyright Act What is DMCA Digital Millennium Copyright Act. Relevant links: www.eff.org/IP/DMCA pros and cons
What is Bitmap Format Device Meaning DFB Device Format Bitmap. A bitmap format which is managed by and specific to a hardware device (such as a graphic card).DFB is more commonly known as a Device Dependent Bitmap, see DDB for details similarities
What is Publishing Top Desk Abbreviation DTP Desk Top Publishing or Desk Top Publisher how much
What is Time Saving Daylight How to where the local clocks are advanced by an hour during the summer to make better use of the sunlight hours. Also known by different names in different countries, although "Summer Time" is how many
What is Word Double Help DWORD Double-Word, meaning two words or typically four bytes compare
What is Quadrangle Orthophoto Digital Crossword computer generated image of aerial (or satellite) imagery, modified so that it is aligned with (and can therefore be plotted with) a map. The process also allows accurate measurement of distances why
What is Direct Current / Domain Controller / Device Context Examples current that flows in a single direction only, cf AC. 2. Domain Controller. 3. Device Context. In the Windows GDI library, a device context is a handle used for drawing onto a device. Each device how better
What is Zone Demilitarised Encyclopedia within a DMZ is unprotected by a firewall and typically any port accesses are routed through to that computer. A router will forward all traffic to the computer in the DMZ if it does not otherwise when
What is Bitmap Dependent Device Information about format which in some way is related to a specific hardware device. A device dependent bitmap is normally managed by a specific hardware device, such as a video card.A DDB may be held in memory determines
What is Disk Operating System / Denial of Service Tutorial original command line based operating system used on IBM personal computers and compatibles. Technically PC-DOS refers to the version of DOS used on IBM computers and MS-DOS the version of DOS used comparing to
What is Tape Linear Digital Error developed in the late seventies by Digital Equipment Corporation (otherwise known as DEC), and the basis for successive generations of DLT tape drive which higher storage capacities and transfer depends on
What is System Support Decision Answer DSS Decision Support System which
What is Defines user and group configurations Means what Policies define user and computer configurations for groups of users and computers. Group Policy settings are contained in a Group Policy Object (GPO) which is associated with selected Active difference
What is Digital Visual Interface / Direct Voice Input / Device Independent Description interface between a PC graphics card and a monitor (or other display device) that is completely digital. Being completely digital there is no digital to analogue conversion involved, there is no when
What is Data with position information Definition contains spatial elements. The minimum spatial information is generally considered to be location, which is typically expressed using either Eastings and Northings or Latitude and Longitude, although pros and cons
What is Direct Dialling In / Device Driver Interface Explain If a phone number is quoted as "DDI" then it indicates a direct dial and not via switchboard (i.e. phone and ask for an extension). Most phone numbers are DDI. 2. Device Driver Interface similarities
What is Processing Light Digital What is DLP Digital Light Processing. A projection technology using micro-mirror devices to reflect light as a means of projection how much
What is Objects Access Data Meaning DAO Data Access Objects. Provides a consistent interface to both ODBC and Microsoft Jet data sources how many
What is Dynamic Systems Development Method Abbreviation DSDM Dynamic Systems Development Method. Relevant links: www.dsdm.org compare
What is Inch Per Dots How to DPI Dots Per Inch. A measure of the resolution of scanners, printers and display devices why
What is Object Shared Dynamic Help DSO Dynamic Shared Object how better
What is Double Data Rate x2 (SDRAM) Crossword data rate DDR.Like DDR, DDR2 is a type of SDRAM that allows data to be read on both the rising and falling of each clock cycle. DDR2 allows the bus to run twice as fast as DDR, and so can achieve when
What is Model Terrain Digital Examples DTM Digital Terrain Model, or Digital Terrain Modelling. Relevant links: www.terrainmap.com - Digital Elevation Modelling Journal determines
What is Direct Internet Message Encapsulation Encyclopedia Encapsulation. A format that enables binary encapsulation of messages. DIME is used to combine entries and data packages of different types and sizes that originate from applications into a single comparing to
What is Model Object Document Information about neutral platform which allows programs and scripts dynamic access to documents and allows updates to their contents, structures and forms. Subsequently documents can be processed and the results are depends on
What is Name Distinguished Tutorial DN Distinguished Name which
What is Storage Data Digital Error DDS Digital Data Storage, also known (incorrectly) as DAT or 4mm tape or drive. cf DLT. Tape capacities vary: Type Tape length Native capacity 1 Notional capacity 2 DDS-1 DDS-60 60m 1.3GB 2.6GB difference

Definitions for computer scientists

Computer library, software engineers in practical use.

Windows Digital Data Storage definition Distinguished Name explain Document Object Model what is Direct Internet Message Encapsulation meaning Digital Terrain Model.. explain.

What is Discrete Multitone definition Dynamic RAM explain Data Source Name for developers.