ROM
Read Only Memory. The portion of the computer’s memory
that contains permanent instructions and cannot be modified.
Unlike RAM, ROM retains its contents even after you turn off
the computer. See also RAM.
ROM BIOS
See BIOS.
Root directory
The top-level MS-DOS directory on a diskette or hard disk.
The root directory is designated by a backslash (\). All other
directories are subdirectories of the root directory, or of other
subdirectories.
RS-232C
A standard serial interface. The ActionNote has a connector
that lets you attach an RX32C-compatible device to your
computer.
Sector
A contiguous section of a disk track that provides an address at
which the computer can access data.
Self tests
See Power-on diagnostics.
Serial
A way of organizing communications between two pieces of
computer equipment, in which the signals that make up each
character
are
sent sequentially.
See also Parallel.
Glossary 17
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