double data rate sdram what is
Device Format Bitmap definition Dynamic DNS explain Digital Equipment Corporation network protocol.

Usage glossary for computers letter D

  • What is Double Data Rate x2 (SDRAM) Definition 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 compare
  • What is Name Distinguished Explain DN Distinguished Name why
  • What is Digital Subscriber Line / Domain Specific Language What is DSL 1. Digital Subscriber Line. 2. Domain Specific Language(s how better
  • What is Digital Rights Management / Digital Radio Mondial / Digital RestrictionManagement Meaning 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 when
  • What is System Support Decision Abbreviation DSS Decision Support System determines
  • What is Digital Millennium Copyright Act How to DMCA Digital Millennium Copyright Act. Relevant links: www.eff.org/IP/DMCA comparing to
  • What is Week Of Day Help 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 depends on
  • What is Kit Driver Device Crossword DDK Device Driver Kit. Normally used to refer to the Microsoft Windows Driver Development Kit. Relevant links: www.microsoft.com/whdc/ddk/winddk.mspx which
  • What is Distributed Component Object Model Examples DCOM Distributed Component Object Model (Distributed COM difference
  • What is Container Database Encyclopedia DBC Database Container when
  • What is Protection Execution Data Information about 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 pros and cons
  • What is Department of Education / Department of Energy Tutorial DOE 1. US Department of Education. 2. US Department of Energy Relevant links: www.fe.doe.gov similarities
  • What is Library Link Dynamic Error 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 how much
  • What is Tape Linear Digital Answer 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 how many
  • What is Dilbert's Pointy Haired Boss Means what 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 compare
  • What is Device for connecting multiple computers on a network Description 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 Format Web Design Definition 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 how better
  • What is Discretionary Access Control List Explain DACL Discretionary Access Control List when
  • What is Publishing Top Desk What is DTP Desk Top Publishing or Desk Top Publisher determines
  • What is Interface Management Desktop Meaning 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 comparing to
  • What is Inch Per Dots Abbreviation DPI Dots Per Inch. A measure of the resolution of scanners, printers and display devices depends on
  • What is Disaster Recovery / Dead Reckoning / Development Release / DigitalRadio How to 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 which
  • What is Word Double Help DWORD Double-Word, meaning two words or typically four bytes difference
  • What is Ram Dynamic Crossword DRAM Dynamic Random Access Memory (Dynamic-RAM). cf SDRAM when
  • What is Digital Video/Versatile Disk Examples 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 pros and cons
  • What is Discretionary Access Control / Digital to Analogue converter Encyclopedia 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 similarities
  • What is Framework National Digital Information about DNF Digital National Framework. The Ordnance Survey standard for referencing geographical Information how much
  • What is Direct Internet Message Encapsulation Tutorial 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 how many
  • What is Differential Power Analysis / Data Protection Act Error 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 compare
  • What is Storage Attached Direct Answer DAS Direct Attached Storage, i.e. disk storage directly connected to a computer, as opposed to NAS or SAN why
  • What is Dynamic Host Configuration Protocol Means what 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 how better
  • 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 when
  • What is Data Type Definition / Document Type Definition Definition 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 determines
  • What is Dreamweaver / Dear Wife / Data Warehouse Explain 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 comparing to
  • What is Digital Print Order Format What is 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 depends on
  • What is Language Command Digital Meaning DCL Digital Command Language. The command and scripting language used on a VMS operating system which
  • What is Quadrangle Orthophoto Digital Abbreviation 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 difference
  • What is Objects Access Data How to DAO Data Access Objects. Provides a consistent interface to both ODBC and Microsoft Jet data sources when
  • What is System Management Database Help DBMS Database Management System. The system (i.e. software) for managing a database pros and cons
  • What is Dynamic Systems Development Method Crossword DSDM Dynamic Systems Development Method. Relevant links: www.dsdm.org similarities
  • What is Model Terrain Digital Examples DTM Digital Terrain Model, or Digital Terrain Modelling. Relevant links: www.terrainmap.com - Digital Elevation Modelling Journal how much
  • What is Model Elevation Digital Encyclopedia DEM Digital Elevation Model. A model (typically an array/matrix) of elevations how many
  • What is Manager Lock Distributed Information about DLM In an Oracle database: Distributed Lock Manager 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 Name Source Data Error 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 Yourself It Do Answer 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 when
  • What is List Block Dns Means what 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 determines
  • What is Zone Demilitarised Description 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 comparing to
  • What is Development environment for building web applications and web services Definition 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 depends on
  • What is Digital Equipment Corporation / Decimal / December / Decrement /Deceased Explain 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 which
  • What is Description of a structure What is 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 difference
  • What is Database Administrator / Decibels Adjusted Meaning 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 when
  • What is System File Distributed Abbreviation 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 pros and cons
  • 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 similarities
  • What is Decibel Database Help 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 how much
  • What is Data with position information Crossword 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 how many
  • What is Processing Light Digital Examples DLP Digital Light Processing. A projection technology using micro-mirror devices to reflect light as a means of projection compare
  • What is Delphi Compiled Unit / Diagnostic Control Units / Data Cache Unit Encyclopedia 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 why
  • What is Protection Data Information about 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 how better
  • What is Plan Recovery Disaster Tutorial 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 Delphi 6 / 6 sided dice Error 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 determines
  • What is Digital Visual Interface / Direct Voice Input / Device Independent Answer 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 comparing to
  • What is System Recognition Document Means what DRS Document Recognition System. A system for converting hard copy documents (written or printed) to electronic form, utilizing OCR depends on
  • What is Double Data Rate (SDRAM) Description 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 which
  • What is Detailed digital map data from Ordnance Survey Definition 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 difference
  • What is Architecture Internet Distributed Explain DNA Distributed interNet Architecture. Relevant links: www.calsoft.co.in/techcenter/windows/windowsdna.html when
  • What is Service Name Domain What is 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 pros and cons
  • What is Model Object Document Meaning 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 similarities
  • What is Disk Operating System / Denial of Service Abbreviation 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 how much
  • What is Bitmap Dependent Device How to 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 how many
  • What is Direct Dialling In / Device Driver Interface Help 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 compare
  • What is Dictionary of geographical names Crossword Gazetteer A dictionary of geographical names why
  • What is Processing Signal Digital Examples DSP Digital Signal Processing. Relevant links: www.bores.com/courses/intro - Free online introduction to DSP course how better
  • What is Model Surface Digital Encyclopedia DSM Digital Surface Model, or Digital Surface Modelling when
  • What is Access Memory Direct Information about 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 determines
  • What is Standard Encryption Data Tutorial 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 comparing to
  • What is Broadcast Audio Digital Error DAB Digital Audio Broadcast (or Digital Audio Broadcasting). Digital radio broadcast, providing better quality and a greater number of channels than traditional (analogue) radio depends on
  • What is Initiative System Dynamic Answer initiative from Microsoft providing a real-time infrastructure strategy to improve simplicity, automation and flexibility in Windows environments. Relevant links: www.microsoft which
  • What is Tape Audio Digital Means what DAT Digital Audio Tape. Originally developed for audio recording. See also DDS. Relevant links: www.dds-tape.com/datordds.html difference
  • What is Identifier Object Digital Description DOI Digital Object Identifier when
  • What is Direct Current / Domain Controller / Device Context Definition 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 pros and cons
  • What is Multitone Discrete Explain DMT Discrete Multitone, a multi carrier modulation method similarities
  • What is Language Definition Data What is DDL Data Definition Language how much
  • What is Distributed Denial-of-Service Meaning 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 Storage Data Digital Abbreviation 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 compare
  • What is 7 Delphi How to D7 Abbreviation for Delphi 7, from Borland. This is the successor to D6 why
  • What is Object Shared Dynamic Help DSO Dynamic Shared Object how better
  • What is Defines user and group configurations Crossword 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 when
  • What is Bitmap Independent Device Examples 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 determines
  • What is Algorithm Signature Digital Encyclopedia DSA Digital Signature Algorithm comparing to
  • What is Digital Equipment Corporation network protocol Information about DECnet Digital Equipment Corporation network protocol depends on
  • What is Dns Dynamic Tutorial 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 which
  • What is Bitmap Format Device Error 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 difference

Definitions for computer scientists

Computer library, software engineers in practical use.

Windows Device Format Bitmap definition Dynamic DNS explain Digital Equipment Corporation network protocol what is Digital Signature Algorithm meaning Device. explain.

What is Double Data Rate x2 (SDRAM) definition Distinguished Name explain for developers.