four
a speaker polarity is sub mainframe of the ................................
Probably a "Terminal"
They are fast, but a supercomputer is faster.
If the mainframe were using TCP/IP then you don't need to do anything except route the traffic to it. If the protocols are not Ethernet on both the mainframe and the LAN then you would need a gateway to convert the protocols back and forth from the mainframe.
mainframe
Yes
Careers that work with computers can fall into the category of mainframe jobs. Anything having to do with designing computer software and programs goes along those lines.
Unix can be run on a variety of server, mainframe, and workstation devices.
put your fingers on your own keyboard and type.. press enter and see what happens
short history of mainframe
Mainframe memory—often called central storage, does the system use the high-speed physical memory (RAM) to: Load and execute programs Manage LPARs (logical partitions) Handle millions of transactions concurrently Support I/O operations without delays
There are many places where one can find out more about how a mainframe works. This includes reading computing infrastructure books from your local library and blogs dedicated to the subject.