History of net working

• Early computers had centralized configurations, with computers and peripheral devices located in one room.
• The terminal-to-host connection was point-to-point.
• Around 1981, the personal computer arrived in the commercial marketplace, bringing the application power of the mainframe to the desktop.
• The network was also introduced commercially around 1981.
• The first commercial network was known as Ethernet; it allowed the interconnection of PCs and hosts.
• Users regained the advantages of mainframe computing
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