Answer:
Memory-mapped I/O and port-mapped I/O are two complementary methods of performing input/output between the central processing unit and peripheral devices in a computer. An alternative approach is using dedicated I/O processors, commonly known as channels on mainframe computers, which execute their own instructions.
Answer is A: cat /use/passwd
The
data recovery labData recovery can be done in special rooms called data
recovery labs. Data that has been salvaged, lost, or inaccessible from
removable media or secondary storage can be accessed in a normal way. Recovery
of this kind may be required due to the physical damage caused.
You only put a numerical expression in numbers if it is over 100, it the calculation correctly.
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