Software
Which of the following transfer data without involving CPU?
1. Modem
2. Printer
3. SCSI
by jeremyrem
by hal 9000
It depends on the configuration of the computer. But if these are the only possible answers it has to be the SCSI option as none of the others can move any data without the use of the CPU in some form.
But depending on what you are doing even the SCSI may use some of the CPU's Clock Cycles particularly if you have an On Board SCSI Controller as apposed to a plug in SCSI Controller with it's own processor.
Col
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