Humans have been keeping time for 5,000 to 6,000 years. The ancient Egyptians were the first to tell time by using obelisks as primitive sundials, while the first mechanical clocks were invented in Europe in the 14th century. Since then, clocks and their ability to accurately keep time have rapidly advanced. Not only are clocks an important timekeeper throughout our busy days, but they are also extremely important to network servers.
http://bloggidyblogblog.com/attract/entaktogen.html The importance of GPS clocks
Network clocks run on a clock server or GPS time server. Continue reading