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Copyright © 1996-1997.
Zeus Productions. All Rights Reserved.
D - 1. the fourth letter of the alphabet.
2. the drive letter usually used on a PC
for the second hard drive or the CD-ROM
drive. The floppy drives are ordinarily
referred to as A and B and
the first hard drive is referred to as C (at least
in the U.S.). 3. the Roman numeral for
500. 4. n. a single hexadecimal digit used
to represent the decimal number 13.
D2 - a bad movie from Disney
D3 - Macromedia
Director version 3.0, 3.1, or 3.1.3. Refer to the
D4 - Macromedia
Director version 4.0, 4.0.1, 4.0.2, 4.0.3, or 4.0.4.
Refer to the TechNote, "Director
D5 - Macromedia
Director version 5.0 or 5.0.1. Refer to the TechNote,
"Director Version History".
D6 - Macromedia
Director version 6, shipped June 1997. Refer to
the TechNote, "Director
Version History". Code-named Hopper.
DAC - (pronounced "dack") See Digital-to-Analog
Converter. See ADAC, digital.
2. A one-time maker of DacPlus software accounting packages.
daemon - 1. (classical mythology) a. a god.
b. a subordinate deity, as the genius of a place or a man's attendant spirit.
2. an automated program that handles a specific task, especially under UNIX.
See mailer daemon, list
daisy-chain - 1. n. a series of devices
connected one to the next. See SCSI. 2. v. to
construct such a chain.
Dali - Salvador Dali, Spanish painter, father
of virtual surreality and other
data fork - the portion of a Macintosh file
that contains the data, as opposed to the resource
fork. Windows files only have data forks.
DCR - the file extension for Director
files compressed with Afterburner. See
DDE - see Dynamic
deBabelizer - a utility from Equilibrium
Systems which converts between dozens of graphic formats, and creates
optimized custom palettes. Available for both the Macintosh and Windows
debug - to diagnose and fix a problem or bug,
usually regarding a computer program. Refer to the TechNote,
"Trouble-shooting and Debugging".
DEC - (pronounced "deck") see Digital
decimal - 1. a number in the base ten number
system, using the digits 0 through 9. See binary,
EBCDIC. 2. the fractional portion of, or an
entire, floating-point number.
Deep Blue - IBM's
chess-playing computer employing parallel
processing. Recently defeated reigning world (human) chess champion,
Garry Kasparov. See Big Blue.
de-fragment - to optimize a fragmented
hard drive by reorganizing each file into
DELL - PC clone manufacturer.
DeskJet - a family of inkjet printers from
HP. See LaserJet.
desktop - the graphical portion of the OS,
which fills the monitor and allows the user to perform various operations
such as viewing files and launching applications. See Desktop
Folder, Finder, rebuilding
your desktop and Program Manager.
Desktop Database - a special hidden
Macintosh system file that contains a list of all installed applications
and the File Types that they can interpret.
It is a good idea to rebuild your desktop
Desktop Folder - a special folder in
the Mac OS which contains items on the desktop.
Refer to the TechNote, "Path
and File Specifications".
desktop publishing - so-called because
you can publish quality materials with a desktop computer and laser printer.
See DTP, LaserWriter.
desktop, rebuild - to rebuild the
Desktop Database, hold down the Option
and Command keys simultaneously while restarting
device driver - software that tells the
computer to talk how to talk to a specific hardware component, such as a
mouse or CD-ROM drive. Device drivers under Windows
are listed in the CONFIG.SYS file and loaded
each time the computer is started. Device drivers on the Macintosh are a
type of Extension. See interface.
DfM - see Director
DfW - see Director
digital - a discrete
value, that can be represented numerically. A light switch is either on
or off (i.e. digital), but a dimmer switch is continuously variable (i.e.
analog). See DAC, ADAC,
Digital Equipment Corporation
- once the second largest computer manufacturer in the world, now a
company searching for a future. Based in Massachusetts and founded by Kenneth
Olsen. Often called DEC.
Digital Signal Processor -
a chip on the sound card that offloads complex processing operations to
alleviate the load on the CPU. See DSP.
- an electronic device which converts a digital signal,
such as music from a CD, to an analog signal,
such as voltages to create audio via a speaker. See DAC,
ADAC. 2. Also called "D-to-A" converter.
See drop date.
digital video - a computerized video,
usually in QuickTime or AVI
digitize - to convert from an analog
signal to a discrete computer-readable numeric signal,
especially to capture audio or video. See digital.
DIR - the file extension for unprotected Director
files, also known as Director "movies". See DCR,
direct memory access - the ability
of the CPU to allow some other component, such
as a sound card, direct access to a portion of memory. Proper DMA
settings are necessary to avoid distorted sound or a computer crash.
Director - 1. Martin Scorcese 2. a multimedia
authoring tool from Macromedia.
Refer to the TechNotes, "Director
Version History" and "Choosing
a Multimedia Authoring Tool". Formerly Macromind
Director. See D3, D4, D5,
D6, DCR, DXR, DIR,
CST, Lingo, DMS.
Director for Macintosh - the
Macintosh version of Macromedia Director,
aka DfM. Refer to the TechNote,
"Director Version History".
Director for Windows - the Windows
version of Macromedia Director,
aka DfW. Refer to the TechNote,
"Director Version History".
DIRECTOR.INI - an INI
file used by Director for Windows.
See LINGO.INI, and refer to the TechNote,
"The DIRECTOR.INI and LINGO.INI Files".
DirectX - a library of video
drivers for Windows 95 used to accelerate
graphics performance. No direct relation to Director.
Nearly impossible to uninstall, see virus. External
programs which are conflicting with Director due to their use of DirectX
may benefit from zLaunch. See ActiveX.
disable - to render inoperative. See Extensions
(Disabled), Control Panels
discreet - showing prudence or circumspection.
discrete - consisting of distinct or individual
parts. See digital.
discussion group - a computer-based
area for people to discuss a topic of common interest. See mailing
list, newsgroup, message
disk image - a complete "copy"
of a disk, whether it be a floppy disk,
hard disk or CD-ROM.
A disk image is often prepared on a hard drive before being burned onto
disk operating system - see DOS,
- 1. Lysol; 2. anti-virus software for the
Macintosh. See Links.
disinterested - unbiased, as in "the
judge seated a disinterested jury." Often used mistakenly to mean uninterested.
the Walt Disney Co., purveyors of animated motion pictures such as Winnie-The-Pooh
and Toy Story. See Disney
Interactive, Pixar, Gopher.
Disney Interactive - interactive
division of Disney, perpetrators of the Lion
Display Postscript - n. a resolution-independent
standard for displaying text on a monitor, as opposed to a printed page,
using Postscript. Most notably provided
with the NeXT cube.
distribution list - a type of mailing
list in which only the list owner can post messages to the list members.
Refer to the TechNote, "Internet
Mailing Lists", and join Zeus Productions'
DiVola, Crazy Joe - character on
Seinfeld, who gets crazy when he doesn't take his medication. See Kramer,
DLL - (pronounced "Dee-Ell-Ell", not
"dull") Dynamic Link
Library, a utility that adds functionality to the Windows OS
or to an individual application. Some DLLs come with Windows, others are
purchased commercially or developed custom. See Xtra,
XObject, DLLglue, external.
DLLglue - a utility from Macromedia
which allows some DLLs to be used from within Director,
even if they were not specifically written for such usage. See Xtras,
DMA - Direct
DMS - Director Multimedia
DMV - a black hole
DMZ - the DeMilitarized Zone
between North Korea and South Korea.
DNC - Democratic National Committee
DNS - Domain Name
document - 1. to write instructions on how
to do something. See documentation. 2. a file
containing data that is used in conjunction with an application.
For example, a text document, or a spreadsheet. See File
Type, Creator Code, stationery,
document-centric. 3. a piece or paper (arcane)
documentation - something which people
rarely read, and only slightly less rarely contains useful information.
Zeus Productions strives to make their manuals actually useful so that both
we and our customers can spend more time in development and less in technical
support. Documentation can mean the difference between a useful product
and a nightmare. Zeus Productions proudly offers excellent documentation
for our products, available in the Documentation
Center. See RTFM.
document-centric - adj. something
with a document as its central focus. zOpen
for Windows is document-centric, as it is primarily designed to open
and print documents, whereas zLaunch
for Mac and Windows is application-centric.
domain - an internet
entity, such as an , commercial enterprise,
educational institution, governmental
agency, military agency, internet
service provider (.net), not-for-profit organization,
or foreign server (.uk,
.ca, .jp, etc.)
domain name server - the physical
computer which handles requests sent to a domain.
DOS - Disk
Operating System. 1. an operating
system originally written by Microsoft,
and used on IBM-compatible PCs
from 1981 to present, but largely replaced by Windows
3.1 and Windows 95 as the OS of choice
for the PC platform. See MS-DOS, PC-DOS,
letter, Windows, eight-dot-three,
EXE, FAT. 2. the operating
system used on Apple II computers. No relation
to definition 1.
DOS format - a floppy
disk, CD, hard disk
or file, which can be read or written on a DOS computer
is said to be in DOS format. See Macintosh
dot - a period (.)
that is used to separate the extension in
file names (see eight-dot-three), domain
names and e-mail addresses (pronounced "dot",
as in "dot com", not "period").
See edu, gov, mil,
dots per inch - the resolution of a printer,
monitor or graphic is often given in dots per inch. Common resolutions are
72 dpi (Macintosh screen), 300 dpi (ink-jet printers),
600 dpi (laser printers).
dot pitch - 1. what a curve ball looks like
from the nosebleed seats. 2. a measure of resolution, usually the spacing
between adjacent pixels on a monitor. The lower
the dot pitch, the clearer the monitor. Quality monitors have a .28 mm
dot pitch or better, such as .25 mm.
down - the state of being inoperable, such as
"the system is down, so let's go shoot
some hoops." See off-line, on-line,
download - 1. v. to retrieve information from
a remote computer, such as a web site or ftp
site. See upload. 2. n. a file or files
that have been downloaded.
dpi - 1. Dolts Per Idiot (1:1)
2. Dots Per Inch
DR-DOS - a variant of DOS.
DRIP - 1. Dividend ReInvestment
Plan - reinvesting the dividends earned on a stock to buy more of
the stock directly from the company for little or no commission. 2. your
leaking faucet. 3. Bill Gates.
drive letter - under DOS
and Windows, each floppy
drive, hard drive, CD-ROM,
remote server drive or other drive is indicated by a letter followed by
a colon, such as "A:",
driver - a low-level program which allows applications
to communicate with the OS or the hardware. See
driver conflict- 1. a situation
in which one or more drivers are incompatible with
each other or some other component of a system. The solution is to eliminate
any unneeded driver(s) or upgrade the offending component(s). See Extensions
Manager. 2. an argument over golf clubs. See conflict.
droid - a robot. See C3PO,
drop date - 1. the date by which you must
drop a class at MIT in order for the grade not
to appear on your transcript. You can then take the class again the next
semester for a new grade. See D-to-A
converter. 2. an appointment to meet Uncle
DSP - Digital
DTP - DeskTop
DXR - the file extension for protected Director
files, also known as Director "movies". Protected files can not
be opened in Director, but they can be played back from a Projector.
See DCR, DIR.
dynamic - adj. changeable or occurring on-the-fly.
Dynamic operations are more flexible in that they can react to run-time
situations, but also may be more difficult to program and more time-consuming
at run-time. Contrast static, constant.
Dynamic Data Exchange - a method
for exchanging data between Windows applications,
see DDE, OLE, ActiveX.
Dynamic Link Library - see DLL.
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Copyright © 1996-1997. Zeus
Productions. All Rights Reserved.
(This page last revised August 7, 1997)