etworks. Interexchange carrier, long distance service providers in the US that provide inter-LATA service. Jitter Random signal distortion, a subjective effect caused by time-base errors. Jitter in a reproduced video image moves from left to right and causes an irregular. Jitter can be controlled by time-base correction. Video Communication: the Whole Picture Joint Photographic Experts Group. The joint ITU-T/ ISO standard for still image compression. A prefix that denotes a factor of one thousand or 103. This abbreviation is used frequently when discussing computer networks and digital transmission systems. In computer parlance, K stands for 1024 bytes as in 64K bytes memory. In transmission systems the K stands for 1000-e.g., 64 Kbps means 64 thousand bits per second bandwidth. K-Band In satellite communications a frequency band that ranges between 10.9 and 36 GHz. Kilobits per second. The transport of digitized information over a network at a rate of 1,000 bits in any given second. Kilohertz. One thousand Hertz or cycles. kilobyte 1,024 bytes of data. kiosk A small structure, open at one or more sides located in a public place. Kiosks today can be designed and equipped with motion video-enabled and multimedia displays to enable even the least computer-literate people to access information on a particular topic or product. Typically they use point-and-click or single- press methods for video-enabled information retrieval. Ku-Band In satellite communications systems, this frequency band ranges between 10.9 and 11.7 GHz for Direct Broadcast Satellite (DBS) service. - L- - Local Area Network. A computer network, usually within a single office complex and increasingly within a single department, that connects workstations, servers, printers and other devices, and thereby permits resource sharing and message exchange. LAN segmentation Splitting one large LAN into multiple smaller LANs. This technique is used to keep LANs from becoming Glossary of Terms congested with multimedia and desktop video applications. laser L