USB switch
To share a regional type USB as a printer, scanner, etc. Two computers, it is relatively easy affair. Simply connect the two computers in a network device, and say the printer as a shared. This method, however, requires the continuous operation of the computer that has the printer connected. The solution to this problem is to give the circuit that you, as it has the ability to transfer the printer to either computers we, as the printer is connected to one of two computers, but in our construction.
   USB switch
See more on USB switch website
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