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YouTubeTechquickie
What are Mainframes?
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 ...
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