Epson Equity Ie Q50188015-1 - Manual (Page 133)

RS-232C
A standard serial interface. You can easily connect an RS-232C
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 test
The diagnostics procedure the computer performs to check its hardware
whenever you turn on or reset the computer.
Serial
The type of interface that transmits data one bit at a time. See also
interface and Parallel.
Software
The programs that enable the computer to perform the tasks and
functions you indicate.
Stop bit
A signal sent in serial communications to mark the end of a character.
Subdirectory
A directory or group of files that branches down from another
subdirectory or from the root directory.
Switch
An option added to an MS-DOS command that redirects the way the
command works. Switches must be preceded by a / (forward slash). For
example, if you add the /S switch to a FORMAT command, MS-DOS
installs the operating system on a diskette as it formats it.
System diskette
A diskette that contains the operating system.
Tracks
Addressable, concentric circles on a diskette, resembling the grooves on
a record, which divide the diskette into separate accessible areas. There
are 80 tracks on each side of a double-sided, double-density diskette.
GL-10 Glossary