Silicon Graphics O2+ Hardware Reference Manual page 231

Glossary
Chrominance is derived from the I and Q signals in the NTSC television system and the
U and V signals in the PAL television system. See also luminance.
click
To press and immediately release a mouse button.
composite video
A color-encoding method or a video signal that contains all of the color, brightness, and
synchronizing information in one signal. The chief composite television standard signals
are NTSC, PAL, and SECAM. See also NTSC and PAL.
configuration file
A system file that you change to customize the way your system behaves. Such files are
sometimes referred to as customization files.
confidence test
A test that you run to make sure a particular device (such as the keyboard, mouse, or a
drive) is set up and working properly.
connector
Hardware at the end of a cable that lets you fasten the cable to an outlet, port, or another
connector.
console window
The window that appears as a stowed icon each time you log in; IRIX reports all status
and error messages to this window.
CPU module
The printed circuit board within your workstation chassis that contains the central
processing unit (CPU).
current working directory
The directory within the filesystem in which you are currently located when you are
working in a shell window.
cursor
The small red arrow on the screen that echoes the movements of the mouse. It changes
shape during different activities.
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