(1) Same as the period
character (.). In
DOS,
Windows, and
OS/2 systems, the dot is used to separate a filename from its
extension. For example, the
filename CONFIG.SYS is pronounced
config-dot-sys.
(2) In bit-mapped representations, a dot is a single point, the smallest identifiable part of an image. Laser printers, for example, create characters and images by printing patterns of dots. Likewise, monitors display images as arrays of dots. The resolutions of devices are often measured in dots per inch (dpi ).
