Binary decoder. In digital electronics, a binary decoder is a combinational logic circuit that converts a binary integer value to an associated pattern of output bits. They are used in a wide variety of applications, including data demultiplexing, seven segment displays, and memory address decoding.
When the Indian Ocean tsunami struck on Dec. 26, 2004, no one saw the massive waves coming. Authorities in Indonesia, where a 9.1 magnitude quake sparked the tsunami, weren't able to send out an alert because the country's sensor system had been hit by lightning. Thai officials did send a warning, but only after the first deadly wave hit. And in India, word of the disaster went to the wrong official.
Find out how to take action here. 1  The December 26, 2004 Indian Ocean tsunami was caused by an earthquake that is thought to have had the energy of 23,000 Hiroshima-type atomic bombs. 2  The epicenter of the 9.0 magnitude quake was located in the Indian Ocean near the west coast of Sumatra.