User`s guide

Shadow RAM
The feature in your computer that copies the contents of the
system, video, and any external BIOS ROMs into the RAM area
of memory to speed up processing.
SIMM
See Memo y module.
The physical device that allows you to insert large-capacity
magnetic tape cartridges for compact data storage and backup.
Trucks
Addressable, concentric circles on a disk, resembling the
grooves on a record, which divide the disk into separate
accessible areas. On a tape cassette, the tracks run parallel to
the edge of the tape. See also Sector.
UNIX
A powerful operating system that supports multitasking and is
especially suited to multi-user environments. UNIX@’ is
compatible with a range of computers, from personal
computers to mainframes. See also Operating system.
VGA
Video Graphics Array. A type of high-resolution display
adapter that provides a variety of video modes. Your
computer’s VGA controller supports resolutions up to
640 x 480 on a compatible monitor.
Glossary 13