A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

DAB
Digital Audio Broadcasting, also known as digital radio. Crystal clear, quality, digital sound with exclusive stations

DAC Digital to Analogue Converter
(DAC) is the circuitry that turns digital signals into analogue signals. DVD players have a video DAC and an audio DAC. DAC is measured in bits - the higher the number of bits the more the original picture information is transferred. A 24-bit audio DAC will provide better quality sound transfer than a 20-bit audio DAC.

DC
Abbreviation of the term Direct Current. Electric current flowing in one direction only

DECT
Digital Enhanced Cordless Telephone. Cordless telephone that provides near crystal clear audio quality sound.

DPI
Dots Per Inch. Number of dots a printer or device (like a monitor) can display per linear inch. For example, most laser printers have a resolution of 300 dpi, most monitors 72 dpi, most PostScript image setters 1200 to 2450 dpi. Photo quality inkjet printers now range from 1200 to 2400 dpi.

DRM
Systems which enable the copyright owner of a piece of intellectual property, such as music, to specify what the consumer can do with it. Typically, this is used to ensure that the user is not freely distributing downloaded files without compensating the copyright-holder.

DTP
Desktop publishing (DTP) software was originally developed to allow computer users to create professional-looking newsletters, magazines and brochures, complete with pictures, diagrams and colour. Now that word-processing software can do most of these things, DTP software has become more of a tool for professional designers, though small companies often use DTP for producing newsletters and reports.

DVB
Digital Video Broadcasting. Used to indicate a signal that is received via a standard TV aerial in digital form as opposed to the traditional analogue broadcast format.

DVD
Digital Versatile Disk

DVI
Digital Video Interface. A video connection that provides digital images between components.