TechQuickie

What are Mainframes? (2017x26)

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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. Follow: http://twitter.com/linustech Join the community: http://linustechtips.com Thanks to