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Intelligence Bureau (India)
Intelligence Bureau (IB), India's domestic intelligence and counter-espionage agency under the Ministry of Home Affairs, founded 23 December 1887; no police powers, nodal counter-terrorism coordinator since post-Kargil reforms.
Intelligence Bureau (Pakistan)
The Intelligence Bureau (IB; Urdu: انٹیلی جنس بیورو) is Pakistan's oldest civilian intelligence agency, created in 1947 and responsible for domestic intelligence, counter-terrorism, and counter-espionage under the Prime Minister's Office.
Intelligence field
Intelligence field: the practice and academic study of intelligence gathering, analysis, and oversight. Covers the six-step intelligence cycle, six collection disciplines, the 18-element U.S. IC, and intelligence studies since the 1980s.
Intelligence quotient
An intelligence quotient (IQ) is a standard measure of intelligence from psychological tests, introduced through Lewis Terman's Stanford revision and scaled so scores average 100.
Intelligence Support Activity
Intelligence Support Activity (ISA), also Task Force Orange and 1st Capabilities Integration Group (Airborne), a secret U.S. Army HUMINT/SIGINT unit created in 1981 after the failed Iran hostage rescue to support JSOC special operations.
Intelligence, surveillance, target acquisition, and reconnaissance
Intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) is a military capability that combines collecting information about an adversary with detecting, identifying, and locating targets for effective weapon use.
Intelligent agent
An intelligent agent, also known as an artificial intelligence agent, is a computational system that perceives its environment and acts autonomously to achieve objectives, spanning software, robots, and modern LLM-based agents.
Intelligent dance music
Intelligent dance music (IDM) is an experimental electronic music genre from the early 1990s, tied to Warp's 1992 Artificial Intelligence compilation and the Alan Parry IDM mailing list; artists include Aphex Twin and Autechre.
Intelligent design
Intelligent design (ID) is the claim that some features of life are best explained by an intelligent cause; a 2005 federal court ruled it creationism, not science.
Intelligent driver model
The intelligent driver model (IDM) is a car-following model that computes each vehicle's acceleration from its speed, the gap to the vehicle ahead, and their speed difference.
Intelligent Energy (company)
Intelligent Energy Limited is a British manufacturer of hydrogen PEM fuel cell systems headquartered in Loughborough, England, with products from 800 W drone modules to 1 MW installations.
Intelligent Ground Vehicle Competition
The Intelligent Ground Vehicle Competition, held since 1993, is an annual student robotics contest at Oakland University in Rochester, Michigan, where teams run small autonomous vehicles.
Intelligent Network Application Part
Intelligent Network Application Part (INAP) is a signaling protocol of the Intelligent Network, defined by ITU-T Q.1218, that carries service-control messages between telephone switches and network databases.
Intelligent Platform Management Interface
The Intelligent Platform Management Interface (IPMI) is a hardware-level specification, first released in 1998 by Intel, Hewlett-Packard, NEC, and Dell, for monitoring servers independently of their operating system.
Intelligent power module
An intelligent power module (IPM) is a power semiconductor package that combines power switches such as IGBTs or MOSFETs with gate driver circuitry and built-in protection in one module.
Intelligent Speed Assistance
Intelligent Speed Assistance (ISA), also called intelligent speed adaptation, is a vehicle system that warns drivers or limits engine power when they exceed the speed limit.
Intelligent Systems
Intelligent Systems (株式会社インテリジェントシステムズ) is a Kyoto-based Japanese video game developer closely affiliated with Nintendo, founded December 1986 by Toru Narihiro. Creator of Fire Emblem, Advance Wars, Paper Mario, and WarioWare, and builder of Nintendo's development tools since the Game Boy.
Intelligent transportation system
An intelligent transportation system, also known as an intelligent traffic system, applies advanced sensor, computer, and communication technologies to improve the safety and efficiency of surface transportation.
Intelligent tutoring system
An intelligent tutoring system (ITS) is educational software that gives step-level feedback, hints, and assessment while a student works, adapting instruction to a model of that student's knowledge.
Intelligentsia
Intelligentsia (intelligentsiia): a stratum of educated intellectual workers, a term from Russian usage carrying a critical, independent stance; distinct from mere credential-holding, central to Russian, Soviet, and sociological debates.
Intelligibility (communication)
Speech intelligibility is the percentage of spoken speech a listener recognizes correctly, degraded by distance, background noise, reverberation, and hearing loss, and measured by metrics like STI and SII.
IntelliJ IDEA
IntelliJ IDEA is an integrated development environment for Java and Kotlin development, published by JetBrains, with code completion, refactoring, debugging, and version control built in.
Intellipaat
Intellipaat (Intellipaat Software Solutions Pvt. Ltd.) is an Indian edtech company, founded in 2011, selling online technical training and certification courses to individuals and corporate clients.
Intellivision
Intellivision: Mattel Electronics' 1979 home video game console, Atari 2600 rival in the first console war, ~5 million units sold, 125 games; brand acquired by Atari in May 2024, revived as the Intellivision Sprint in 2025.
Intellution
Intellution, Inc. was an American industrial automation software company founded in 1980 by Stephen Rubin, best known for The FIX, the first configurable PC-based HMI/SCADA software.
Intelsat
Intelsat is a commercial geostationary satellite communications operator, founded in 1964 as the intergovernmental INTELSAT, privatized in 2001, and acquired by SES in July 2025.
Intelsat 708
Intelsat 708 was a commercial communications satellite built by Space Systems/Loral, destroyed in February 1996 when its Long March 3B rocket crashed after liftoff in China.
Intelsat I
Intelsat I, originally named Early Bird, was the world's first commercial communications satellite, launched from Cape Kennedy in 1965 to link North America and Western Europe.
Intelsat IV
Intelsat IV was a series of seven geostationary communications satellites built by Hughes Aircraft for INTELSAT, launched between 1971 and 1975 to carry global telephone and television traffic.
Intelsat V
Intelsat V was a series of nine commercial communications satellites built by Ford Aerospace for INTELSAT, launched between 1980 and 1984 to carry telephone, television, and data traffic.