ISDN technology has interested specialists from the moment it appeared. This technology began to spread rapidly in Europe. Users liked it for its high physical...

There are a wide variety of data networks available these days. A data network is a set of communication terminals connected through data-transmitting channels and...

The Internet has long become commonplace for everyone. Everybody needs it in their daily life as much as household appliances.Broadband access is a connection that...

Nowadays, environmental issues are incredibly acute.There is a wide range of problems, including climate change, global warming, resource depletion, improper waste disposal, ozone depletion, and...