A subnetwork, or subnet, is a logical, visible subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Computers that belong to a subnet are addressed with a common, identical, most-significant bit-group in their IP address.
Introduction. Vasco da Gama was born in 1460 to a wealthy Portuguese family in Sines, Portugal. Vascoâs father was also an explorer and was supposed to make the epic journey from Portugal to India that would eventually make his son famous.
Christopher Columbus Printable Biography. Heading West to Reach the East. Christopher Columbus was born in Genoa, Italy in 1451. His career in exploration started when he was very young. As a teenager he traveled the seas and eventually made Portugal his base. Columbus came to believe that the East Indies (present day Indonesia and surrounding islands) could be reached by sailing west through the Atlantic Ocean.