icon: In computers and in equipment labelling, a symbol clearly representing purpose or function.
I-frame: Intra-coded frame. An MPEG compressed picture in a video sequence which takes no account of other frames. It effectively uses JPEG compression only and forms the first picture in an MPEG GOP. See Figure G.5.
igniter: A device to strike a xenon or mercury arc.
iLink: The Sony implementation of IEEE 1394 operating at 100 Mbit/s. See also FireWire. (Trade name.)
image bit map: The digital representation of a graphics display image as a pattern of bits, each bit representing one or more pixels.
image enhancer: A device for improving video picture quality, especially in apparent resolution or tonal reproduction.
image intensifier: A device ...