Epson ActionNote 4SLC2-50 User Manual page 138

Double-density
A type of diskette format. A 3½-inch, double-density diskette has
a capacity of 720KB.
Drive
See Disk drive.
Driver
A program that controls a specific piece of equipment in the
system. Examples of drivers include expanded memory managers,
display drivers, printer drivers, and mouse drivers.
Embedded numeric keypad
See Numeric keypad.
EMS or Expanded memory
Memory that can be used by applications and programs
conforming to version 4.0 of the Lotus/Intel/Microsoft (LIM)
Expanded memory Specification (EMS). Expanded memory does
not have addresses like conventional or extended memory.
Extended memory
Memory with addresses above lMB. Extended memory is
generally not available to MS-DOS applications but can be used by
some RAM disk programs, such as VDISK, and some hard disk
caching programs, such as SMARTDRV. Extended memory can
also be used with OS/2 and some versions of Windows.
External device
See Peripheral device.
Glossary 5