See also: Frequency Domain, Spread Spectrum

CIMM DEFINITION: A signal that intentionally introduces interference into a communication channel, either to intentionally prevent error-free reception or as a means of advising stations of some event. (Source: computer.yourdictionary.com)

2: In local area networks (LANs), employing the carrier sense multiple access with collision detection (CSMA/CD) protocol, a station that detects a signal collision sends a jamming signal over a subcarrier frequency to advise all stations of that fact. See also CSMA/CD, frequency, LAN, signal, and subcarrier. (Source: computer.yourdictionary.com)


CIMM DEFINITION: Java is an object-oriented programming language originally developed by Sun Microsystems.  It is a programming language designed for building applications on the Internet. It allows for advanced features, increased animation detail and real-time updates. Java applications can typically run on any Java Virtual Machine (JVM) regardless of computer architecture and is specifically designed to let application developers “write once, run anywhere.” (Source: IAB)

Java Applets

CIMM DEFINITION: Small applications that can be downloaded from a server and executed by Java-compatible browsers like Microsoft Internet Explorer and Netscape Navigator. (Source: IAB)


See also: Application Program Interface

CIMM DEFINITION: Sun invented this Application Programming Interface (API) called JavaTV, which enables the development of more complex functionality and interfaces to launch from the Set-Top Box  if this Java layer is embedded in the device. (Source: itvt.com/glossary)

Jump Page Ad

CIMM DEFINITION: A microsite which is reached via click-through from button or banner ad. The jump page itself can list several topics, which are linked to either the advertiser’s site or the publisher’s site. (Source: IAB)


CIMM DEFINITION: Percentage of households that were not watching at the first second of the commercials but were watching at the last frame at the end. (Source: TRA)

Junk E-mail Folder

CIMM DEFINITION: A folder within an e-mail client or on an E-mail Service Provider server that stores e-mail messages that are identified, either by the user or by an automated spam filter, as undesired or undesirable. (Source: IAB)