Mainframe computers, also known as “big iron,” power things from credit card processing to airline ticketing. How do they work, and what makes them different from other large-scale devices like supercomputers?
TunnelBear message: TunnelBear is the easy-to-use VPN app for mobile and desktop. Visit http://tunnelbear.com/linus to try it free and save 10% when you sign up for unlimited TunnelBear data.
Join the community: http://linustechtips.com
Thanks to Connor Krukosky for his assistance with this episode.
License for image used: http://creativecommons.org/licenses/by/2.0/legalcode