Mainframes are powerful computers used mainly by large organizations for critical applications, typically bulk data processing such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing.
Mainframe Computer Room circa 1990 Please also see my IBM Impact Printer Video
The Raised Floor - IBM Mainframe Computer Ops in the 1980s
Transhumanism Mainframe Computer
IBM Rolls Out New Mainframe
Babbitt: "Occasional Variations"
IBM Impact Printer circa 1990 Please also see my Mainframe Computer Room Video
Computers and Automation Scare of the 1950s
1981 Mainframe Computer Animation. Coventry University