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Glossary of Computing Terms
beginning with letter D
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database Tweet Definition of database Like Definition of database on Facebook
noun 
  1. (computing) A collection of (usually) organized information in a regular structure, usually but not necessarily in a machine-readable format accessed by a computer.
I have a of all my contacts in my filoFAX.
  1. (computing) A software program for storing, retrieving and manipulating a database(1).
Which do you use, MySql? or Access?
  1. (computing) A combination of (1) and (2).
     
data processing Tweet Definition of data processing Like Definition of data processing on Facebook
noun 
  1. any of many techniques in which data is retrieved, stored, classified, manipulated, transmitted and/or reported in such a way as to generate information; especially such processing using computers
     
data set Tweet Definition of data set Like Definition of data set on Facebook
noun 
  1. a file of related records on a computer-readable medium such as disk, especially one on a mainframe computer; a dataset
  2. (telecommunications) a modem
  3. (mathematics) in statistics, a set of data to be analyzed
     
decoder Tweet Definition of decoder Like Definition of decoder on Facebook
noun 
  1. A person who decodes secret messages
  2. A device that decodes a scrambled electronic signal e.g. of a satellite television signal
     
decompression Tweet Definition of decompression Like Definition of decompression on Facebook
noun 
  1. The restoration to atmospheric pressure of a person who has spent time under higher pressure (such as a diver)
  1. (medicine) The relief of pressure on a body part by surgery
     
default Tweet Definition of default Like Definition of default on Facebook
noun 
  1. The condition of failing to meet an obligation.
You may cure this default by paying the full amount within a week.
  1. A loss incurred by failing to compete.
The team's three losses include one default.
  1. (computing) A value used when none has been given. Often used attributively, e.g., default value.
If you don't specify a number of items, the default is 1.
verb 
  1. To fail to meet an obligation.
You were required to make a payment on the first of the month. You have defaulted.
  1. To lose a competition by failing to compete.
If you refuse to wear a proper uniform, you will not be allowed to compete and will default this match.
  1. (computing) To assume a value when none was given.
If you don't specify a number of items, it defaults to 1.
     
density Tweet Definition of density Like Definition of density on Facebook
noun (pl=densities)
  1. A measure of the amount of matter contained by a given volume.
  2. The ratio of the number particles or total amount of such a quantity as energy or momentum, carried by or contained in a volume , to that volume.
     
descriptor Tweet Definition of descriptor Like Definition of descriptor on Facebook
noun 
  1. (computing) the name of a category of data in an information storage and retrieval system
  2. (librarianship) a word that describes the subject of an article or book
     
desktop Tweet Definition of desktop Like Definition of desktop on Facebook
noun 
  1. The top surface of a desk.
  1. (computing) A desktop computer.
  2. (computing) The on-screen background containing icons and windows embedded in wallpaper.
adjective 
  1. designed, Designed for use on a desk or similar piece of furniture.
  1. (computing) Of an application, converted to be carried out on a personal computer.
     
desktop publishing Tweet Definition of desktop publishing Like Definition of desktop publishing on Facebook
noun (-, sg=desktop publishing)
  1. The use of page layout software on a desktop computer to produce publishable documents.
     
dial-up Tweet Definition of dial-up Like Definition of dial-up on Facebook
adjective 
  1. (computing) (of a connection to a network, especially to the Internet) that requires a telephone number to be dialed
     
digital Tweet Definition of digital Like Definition of digital on Facebook
adjective (notcomp)
  1. Having to do with digits (fingers or toes); performed with a finger.
  2. Property of representing values as discrete numbers rather than a continuous spectrum.
  • digital computer, digital clock
    1. Of or relating to computers or the Computer Age.
     
digitize Tweet Definition of digitize Like Definition of digitize on Facebook
verb (digitiz, ing)
  1. To represent something (such as an image or sound) as a structured sequence of binary digits
     
disk Tweet Definition of disk Like Definition of disk on Facebook
noun 
  1. A thin, flat, circular plate or similar object.
A coin is a of metal.
  1. (figurative) Something resembling a disk.
Venus' cut off light from the Sun.
  1. (dated) A vinyl phonograph / gramophone record.
Turn the over, after it has finished.
  1. (computing) A floppy disk - removable magnetic medium or a hard disk - fixed, persistent digital storage.
He still uses floppy disks from 1979.
  1. (computing, nonstandard) A disc - either a CD-ROM, an audio CD, a DVD or similar removable storage medium.
She burned some disks yesterday to back up her computer.
     
diskette Tweet Definition of diskette Like Definition of diskette on Facebook
noun 
  1. (computing) A small, flexible, magnetic disk for storage and retrieval of data.
     
display Tweet Definition of display Like Definition of display on Facebook
noun 
  1. A show or spectacle.
  2. (computing): An electronic screen that shows graphics or text.
verb 
  1. (transitive): To show conspicuously.
     
DMA Tweet Definition of DMA Like Definition of DMA on Facebook
initialism 
  1. Doctor of Musical Arts
  2. Direct Marketing Association
  3. Designated Market Area
     
documentation Tweet Definition of documentation Like Definition of documentation on Facebook
noun 
  1. Something transposed from a thought to a document; the written account of an idea.
  2. (context, Computing): Documents that explain the operation of a particular software program.
     
dongle Tweet Definition of dongle Like Definition of dongle on Facebook
noun 
  1. (computing) A hardware device utilized by a specific application for purposes of copy protection.
  2. (by extension) Any short wired connector (such as a network or USB adapter) typically used with a laptop computer.
     
double-click Tweet Definition of double-click Like Definition of double-click on Facebook
noun 
  1. (computing) The action of pushing the button on a mouse twice in quick succession in order to perform a task or open a file.
verb 
  1. (computing) To push the button on a mouse twice in quick succession in order to perform a task or open a file.
     
download Tweet Definition of download Like Definition of download on Facebook
noun 
  1. A file transfer to the local computer, especially one in progress.
The took longer than I expected.
  1. A file that has been, or will be transferred in this way.
I got the but it wouldn't work on my computer.
verb 
  1. (transitive)To transfer (computer data, especially as one or more file, files) from a remote computer (server) to a local computer, usually via a network.
You can a trial version of the program for thirty days to determine whether you want to purchase the full version.
  1. (context, transitive, nonstandard) upload; to copy a file from a local computer to a remote computer via a network
  2. (context, transitive, nonstandard) to transfer a file to or from removable media
I needed to photos to a CD-ROM
     
DP Tweet Definition of DP Like Definition of DP on Facebook
initialism 
  1. Director of Photography
  2. displaced person, an obsolete term for a refugee
  3. Sexual slang for double penetration
     
DPI Tweet Definition of DPI Like Definition of DPI on Facebook
initialism 
  1. Dots Per Inch
     
driver Tweet Definition of driver Like Definition of driver on Facebook
noun 
  1. a person who has a license to legally drive a motorized vehicle, such as a car or a bus
  2. a person who drives some other vehicle
  3. (computing) a special program that acts as an interface between the application program and the computer hardware. Drivers are written specifically for the hardware device they control.
     
drum Tweet Definition of drum Like Definition of drum on Facebook
noun 
  1. Any hollow, cylindrical object.
  2. In particular, a percussive instrument spanned with a thin covering on at least one end for strike, striking, forming an acoustic chamber, affecting what materials are used to make it.
  3. In particular, a barrel or large cylindrical container for liquid transport and storage.
The restaurant ordered ketchup in 50-gallon drums.
verb (drum, m, ed)
  1. (intransitive) (music) To beat a drum.
  2. (intransitive) To knock successively and playfully.
Drumming one"s fingers on a table is often an expression of impatience or annoyance.
  1. (transitive) To drill or review in an attempt to establish memorization.
He"s still trying to Spanish verb conjugations into my head.
     
dumb Tweet Definition of dumb Like Definition of dumb on Facebook
verb 
  1. To silence.
    • 1911 Lindsay Swift William Lloyd Garrison p. 272
    • :The paralysis of the Northern conscience, the dumbing of the Northern voice, were coming to an end.
    • To make stupid.
    • 2003 Angela Calabrese Barton Teaching Science for Social Justice p. 124
    • :"I think she's dumbing us down, so we won't be smarter than her.
    • To represent as stupid.
    • 2004 Stephen Oppenheimer The Real Eve: Modern Man's Journey Out of Africa p. 107
    • :Bad-mouthing Neanderthals ... is symptomatic of a need to exclude and even demonize .... I suggest that the unproven dumbing of the Neanderthals is an example of the same cultural preconception ....
    • To reduce the intellectual demands of.
    • 2002 Deborah Meier In Schools We Trust: Creating Communities of Learning in an Era of Testing p. 126
    • :The ensuing storm caused the department to lower the bar " amid protests that this was dumbing the test down " so that only 80 percent of urban kids would fail. ...
adjective (dumber, dumbest)
  1. Unable to speak; lacking power of speech.
His younger brother was born , and communicated with a self-taught kind of sign language.
  1. (context, informal, pejorative) Describing something, especially a person, that is extremely stupid.
You oaf, you can't fix an engine by hitting it with a hammer!
  1. (informal) Describing something unintellectual.
Harry had the , brainless job of moving boxes from one conveyor belt to another.
  1. (figurative) pointless, Pointless, or serving to create more problems than it solves.
This is ! We're just driving in circles! We ought to have asked for directions an hour ago!
     
dump Tweet Definition of dump Like Definition of dump on Facebook
noun 
  1. A place where waste or garbage is left; a ground or place for
    1. Verb, dumping ashes, refuse, etc.
    A toxic waste .
    1. A car or boat for dumping refuse, etc.
    2. That which is
  2. Verb, dumped, especially in a chaotic way; a mess.
  3. (computing) An act of
  4. Verb, dumping, or its result.
The new XML is coming soon.
  1. A storage place for supplies, especially military.
  2. An unpleasant, dirty or disreputable place.
  3. (vulgar) An act of defecation.
To take a .
  1. A dull, gloomy state of the mind; sadness; melancholy; low spirits; despondency; ill humor (usually plural).
March slowly on in solemn . --Hudibras.
Doleful dumps the mind oppress. --(Shak.)
I was musing in the midst of my dumps. --Bunyan.
  1. Absence of mind; revery.
  2. (mining) A pile of ore or rock.
  3. (obsolete) A melancholy strain or tune in music; any tune.
Tune a deploring .
Play me some merry . --(Shak.)
  1. (obsolete) An old kind of dance.
  • (obsolete) (Australia) A small coin made by punching a hole in a larger coin.
  • verb 
    1. (transitive) To release, especially in large quantities and chaotic manner.
    2. (transitive) To discard; to get rid of something one does not want anymore.
    3. (transitive) (computing) To copy data from a system to another place or system, usually in order to archive it.
    4. (transitive) (informal) To end a relationship with.
    5. (transitive) To knock heavily; to stump.
    6. (transitive) To put or throw down with more or less of violence; hence, to unload from a cart by tilting it; as, to dump sand, coal, etc.
         
    dynamic Tweet Definition of dynamic Like Definition of dynamic on Facebook
    noun 
    1. A characteristic or manner of an interaction; a behavior.
    Watch the between the husband and wife when they disagree.
    The study of fluid dynamics quantifies turbulent and laminar flows.
    1. (music) The varying loudness or volume of a song or the markings that indicate the loudness.
    If you pay attention to the dynamics as you play, it's a very moving piece.
    1. (music) A symbol in a musical score that indicates the desired level of volume.
    adjective 
    1. changeable, Changeable; active; in motion.
    The environment is , changing with the years and the seasons.
    He was a and engaging speaker.
    1. powerful, Powerful
    2. Able to change and to adapt (also in computing)
    3. (music) Having to do with the volume of sound.
    The marking in bar 40 is forte.
         

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