communications systems control element
81Denmark — /den mahrk/, n. a kingdom in N Europe, on the Jutland peninsula and adjacent islands. 5,268,775; 16,576 sq. mi. (42,930 sq. km). Cap.: Copenhagen. * * * Denmark Introduction Denmark Background: Once the seat of Viking raiders and later a major… …
82Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) …
83Microwave — This article is about the electromagnetic wave. For the cooking appliance, see Microwave oven. For other uses, see Microwaves (disambiguation). A microwave telecommunications tower on Wrights Hill in Wellington, New Zealand Microwaves, a subset… …
84Emergency Alert System — The Emergency Alert System (EAS) is a national warning system in the U.S. put into place in 1994, superseding the Emergency Broadcast System (EBS) and the CONELRAD System and is jointly coordinated by the Federal Communications Commission (FCC),… …
85Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
86Fault-tolerant system — This article contains specific implementations of fault tolerant systems. For general theory, see fault tolerant design. Fault tolerance or graceful degradation is the property that enables a system (often computer based) to continue operating… …
87Raven Rock Mountain Complex — The Raven Rock Mountain Complex (RRMC) is a United States government facility on Raven Rock, a mountain in the U.S. state of Pennsylvania. It is located in Liberty Township, Adams County, about 14 km (8.7 mi) east of Waynesboro,… …
88Aerospace engineering — Aerospace Engineer NASA engineers, the ones depicted in the film Apollo 13, worked diligently to protect the lives of the astronauts on the mission. Occupation Names engineer aerospace engineer …
89Embedded system — Picture of the internals of an ADSL modem/router. A modern example of an embedded system. Labelled parts include a microprocessor (4), RAM (6), and flash memory (7). An embedded system is a computer system designed to do one or a few dedicated… …
90FOIP — IP Telefonie (kurz für Internet Protokoll Telefonie) auch Internet Telefonie oder Voice over IP (kurz VoIP) genannt, ist das Telefonieren über Computernetzwerke, welche nach Internet Standards aufgebaut sind. Dabei werden für Telefonie typische… …
