 Telecommunications and Networks (Computer Weekly)Telecommunications is an old and stable technology if you think only of telephones and telegraph. But in the 1960s came computers and the processing of data. Soon, we needed data communications to transmit data to remote PCs connected by networks. Later, these points of communications increased in number, with the transmission being no longer... | | The Medieval City (Greenwood Guides to Historic Events of the Medieval World)After a long decline in urban life following the fall of the Roman Empire, towns became centers of trade and of liberty during the medieval period. Here, the author describes how, as Europe stabilized after centuries of strife, commerce and the commercial class grew, and urban areas became an important source of revenue into royal coffers. Towns... | | |
