Yes, some of the most common ways are via radio waves,
satellites and 'photon technologies'
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Windows, Macintosh and most servers offer virtualization
technologies. Microsoft has the VirtualPC software. The Mac can run
most OSes (Windows, Linux) via Bootcamp or through VMWare Fusion or
Parallels.
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-AMD (Advanced Micro Devices)
-Intel Corp. (Intel Corporation)
-SIS (Silicon Integrated Systems)
-VIA (VIA Technologies Inc.)
-and perhaps CRAY Inc. for the supercomputer industry