Port (computer networking) - Details. 1  Transport layer protocols, such as the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), specify a source and destination port number in their headers.
Short Biography Lionel Messi. Lionel Messi was born, 24 June 1987, in Rosario, Argentina to a working class family. His father was a factory steel worker, and his mother a cleaner. He began playing from an early age, and his talent was soon apparent. However, at the age of 11, Messi was diagnosed with growth hormone deficiency (GHD).
Hipparchus was born over 2,200 years ago. The year of his birth was about 190 BC and the place of his birth was the Ancient Greek city of Nicea. The ruins of the city can still be seen in the town of Iznik, Turkey. Hipparchus is sometimes known as Hipparchus of Nicea, reflecting his birthplace.