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default hyperlink In an image map, the hyperlink
to follow when the user clicks outside of any hotspots on the image. You
set the default hyperlink by editing the Default Hyperlink field in the
Image Properties dialog box.
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definition The style of the second of a pair
of paragraphs composing a definition list entry. The first paragraph in
the pair is the term.
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definition list A list of alternating term and
definition paragraphs. Definition lists are often used to implement dictionaries
in FrontPage webs. See also term and definition.
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DEVICE DRIVER a program that controls a device which is
attached to a PC such as a printer, modem, monitor, graphics card, or CD-ROM drive.
Windows for example, comes with many popular device drivers already included.
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DIMM dual inline memory module. A memory board that is
effectively a double Simm. It uses a 168 pin connector, and its 54 bit wide bus
allows single modules to be installed in Pentium systems.
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DIRIn a dos box or dos window typing this, and hitting enter, shows all the files
in your directory.
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dir/w dir/w press enter /w - means "wide across the screen" dir means show directory contents
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dir/p dir/p press enter - show directory and Pause the screen a page at a time
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dir/w/p dir/w/p press enter - wide and pause directory display
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dir/o dir/o press enter - give directory with files listed in alphabetical order.
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dir a: dir a: press enter - list a: drive contents with a floppy in the drive of course.
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dir b: dir b: press enter - list b: drive contents
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dir/w/o/p dir/w/o/p press enter - all the above commands together (directory, wide, order, paused)
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discussion group A FrontPage web that supports
interactive discussions by users. Users submit topics by entering text
in a form, and they can search the group using a search form or access
articles using a table of contents.
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discussion group directory A directory in a FrontPage
web containing all of the articles in a discussion group. The name of a
discussion group directory begins with an underscore character and is created
automatically by FrontPage. Discussion group directories are not normally
visible from the FrontPage Explorer. However, they can be searched by a
WebBot Search component.
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DITHERING the printing process of simulating additional
colours or shades by mixing available colours and varying dot sizes and spacing.
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DLL dynamic link library. A program that contains instructions
common to different applications. Instaed of including these in a program, the DLL can be
called as required, loaded into memory and tun. As the link is dynamic, the majority of
DLLs can be unloaded when no longer needed, so saving memory resources.
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DMA direct memory access. A process for data retrieval from a device
such as a hard disk that writes it into main memory without involving the processor, thus freeing
it up for other tasks.
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DOSDOS stands for disk operating system. DOS is the software program, which
controls the input and output of your computer.
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DOS PROMPTC:\> that you should see on your screen. However shutting down to
dos from windows 95/98 would show something like this C:\>WINDOWS A:\> B:\> D:\> E:\> (26 drive letters)
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domain name See changing a url web address
to appear as a domain
for example http://www.tripod.com/users/jim/start/intro.html
you could pay to have this read a url some thing
like jimsweb.com
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DRAM the most common and cheaopest form of computer memory which uses one
capacitor and transistor to store one bit of information. It's 'volatile' memory, so if you turn off
the power you will lose any stored data.
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drop-down menu field A form field that presents
a list of selections in drop-down menu style. A drop-down menu form field
can be configured to permit the selection of many fields or a single field.
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DVD digital versatile disc. A high capacity cd-rom disc that can store
up to 17GB of data. The latest discs have two layers and DVD drives use a laser with two focal points
to read each one. Each layer holds 4.7GB, so a dual layer, dual sided disc will store 17GB of data.
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