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.
2004 â Indian Ocean Earthquake (Tsunami) In the year 2004, another great disaster in the world took place in the Indian Ocean known as Tsunami. It was an earthquake in the undersea killing ample amount of people and communities all over. The magnitude was around 9.0 and the death count was 230,000.