User`s guide

Disk Operating System. The generic term for the operating
system software that controls a computer and directs its input
and output functions. See also MS-DOS and Operating system.
EGA
Enhanced Graphics Adapter. A type of display adapter card
that allows you to display high-resolution graphics on an EGA
monitor. It can display up to 43 lines of text with 80 characters
on each line, or it can display monochrome or 16-color graphics
at resolutions up to 640 x 350.
EISA
Extended Industry Standard Architecture. A bus standard for
IBM compatible computers that extends the ISA bus
architecture to 32 bits and allows more than one option card to
share the bus easily.
Expanded memory
Memory that specially-written MS-DOS programs can use
when an expanded memory manager program maps that
memory into an accessible area. See also LIM EMS 4.0.
Extended memory
Memory above 1MB that is accessed by the 386 or 486
microprocessors when they are operating in protected or
virtual mode. This memory is available to OS/2
®
programs, but
is available to MS-DOS only if an extended memory manager
program is installed. See also Expanded memory and OS/2.
Fast-page mode
A dynamic memory mode that allows successive addresses to
access the same DRAM page by changing the column addresses.
Glossary 5