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Internet Relay Chat print that page


IRC was created in 1988. Client software is now available for every major operating system that supports Internet access. [ 6 ] As of April 2011, the top 100 IRC networks served more than half a million users at a time, [ 7 ] with hundreds of thousands of channels [ 7 ] operating on a total

Relay print that page


A relay is an electrically operated switch . Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles are also used. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation

Internet Relay Chat bot print that page

An IRC bot is a set of scripts or an independent program that connects to Internet Relay Chat as a client , and so appears to other IRC users as another user. An IRC bot differs from a regular client in that instead of providing interactive access to IRC for a human user, it performs automated

wikipedia.org | 2011/7/5 19:54:10

WNYB print that page

after becoming the first American station to ever affiliate with a Canadian TV network ( CTV , via relay of the CFTO Toronto off-air signal), affiliates of the "Big 3" U.S. networks threatened legal action, and the station went dark, a week after curtailing local news broadcasts and abruptly

wikipedia.org | 2011/7/17 7:29:32

Amateur radio print that page


The origins of amateur radio can be traced to the late 19th century though amateur radio, as practiced today, did not begin until the early 20th century. The first listing of amateur radio communications receivers is contained in the First Annual Official Wireless Blue Book of the Wireless

Reed switch print that page


opening when a magnetic field is applied. The switch may be actuated by a coil , making a reed relay , [ 1 ] or by bringing a magnet near to the switch. Once the magnet is pulled away from the switch, the reed switch will go back to its original position. An example of a reed switch's application

Crossbar switch print that page


In electronics , a crossbar switch (also known as cross-point switch , crosspoint switch , or matrix switch ) is a switch connecting multiple inputs to multiple outputs in a matrix manner. Originally the term was used literally, for a matrix switch controlled by a grid of crossing metal bars

Telephone exchange print that page


In the field of telecommunications , a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central office is the physical building used to house inside plant equipment including telephone switches, which make telephone calls "work

Jarkko Oikarinen print that page

Having received his Ph.D. from the University of Oulu in 1999, [ 4 ] Oikarinen continues to do research primarily in computer graphics and medical imaging , his efforts in the latter field focusing on telemedicine , volume rendering , and computed axial tomography . [ 7 ] He is also partner

wikipedia.org | 2011/8/2 17:24:08

West Chester Henderson High School (Pennsylvania) print that page


winning the 2009 PIAA State Championship. At Nike Indoor Nationals in 2007 the boys distance medley relay won the national championship, edging Fork Union high school by 1/2 of a second. In 1991, the 4x400 relay won the Championship of America race at the Penn Relays defeating several international