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Jabber The uncontrolled transmission of oversized frames to the network by a faulty device.

JANET Joint Academic NETwork. a datacommunicatinos network linking universities and other academic institions around the UK to each other and the Internet. Maintained by UKERNA. For more information see JANET web page.

Java Java is a new programming language invented by Sun Microsystems which is specifically designed for writing programs that can be safely downloaded to your computer through the Internet without fear of viruses. Using small Java programs (Applets), Web pages can become more sophisticated and include such things as animation, calculators and text and graphics editors.

Jitter Degradation of the signal as it traverses the cable or the Network Interface Cards (NICs). Common in token ring environments and causes errors in accuracy of signal.

JPEG or JPG A file format defined by the Joint Photographics Experts Group for still picture compression.

JPS Joint Product Specification

Jughead Another searching tools for finding information on specific gophers.