1.1 The background of the emergence of computer networks

标签：network   color   image   over   sed   com   img   compute   end   

1. Popularization and diversification of computers

2. From independent mode to network interconnection mode

WAN(Wide Area Network) : a remote Network covering multiple remote areas.

MAN(Metropolitan Area Network): a Network one level smaller than a wide Area MAN that connects an entire city is called a MAN.

LAN（Local Area Network）: Network within a relatively small Area such as a floor, building, or campus.

3. From computer communication to information communication

The Internet evolved from a private network to one used by the public

2020-05-01

1.1 The background of the emergence of computer networks

标签：network   color   image   over   sed   com   img   compute   end   

原文地址：https://www.cnblogs.com/lemo123/p/12831368.html