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" That means no television and no computer , something he considers " a great evil . Once InfoStructure has configured your computer , do not modify the networking , McAfee software , Windows update services , or email client software settings on your computer . However , from the 1970s to the late 1990s , long after the initial government-funded push had faded , the computer industry 's main source of revenue came from developing business and consumer markets through channels like the personal computer , client-server networking technologies and , eventually , commercialization of the Internet . A cluster of computers , typically found in a teaching lab or library , may be interconnected within the room where they are installed , and the cluster connected to the hub site with a single cable as shown in Figures 5-3 and 5-4 . HP becomes a major player in the computer industry in the 1980s with a full range of computers , from desktop machines to portables to powerful minicomputers . At Brooklyn Museum , one VLAN and one firewall segment serve all public computers , from Library OPAC stations to Learning Center Web browsing stations to gallery kiosks and handhelds to public computers using the hotspot .