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Title says it all.In C, printf() prints to the standard output, which on a computer is usually the Graphics card => then the screen.I want to know what would happen if I unplugged the Graphics card.
...Depends on the OS. I think Windows (at one point anyway) would simply refuse to run without a graphics card. You can setup various flavors of unix to use a serial port as a console, but that won't automatically translate to what applications will use for output.
What are you trying to do?
Yes, depends on the OS and architecture, Solaris (on sparc architecture at least) can output from the serial port, I doubt windows can.
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