Computers become much more useful when they can communicate with each other. Networks can be local or wide-area, fast or not as fast, using copper,...

Computers become much more useful when they can communicate with each other. Networks can be local or wide-area, fast or not as fast, using copper, co-ax, optical fiber, satellites, or broadcast. What is the easiest way to link up computers in a local network (say in an office)? What is the cheapest way? What is the fastest way? What is a client-server arrangement? What is the most important network in use today? Are data transmitted perfectly? If not, what techniques can be used to prevent such loss. Data can be transmitted either by analog means or by digital; what advantages for each technique? What transmission techniques today are faster than using the old telephone network? What is a protocol, and what is the most common one in use today? Name three ways that use of computer networks can save money for businesses today