单选题A computer’s onboard LPT1 port fails. Which of the following I/O cards should be installed to fix this problem?（）ASerialBParallelCFireWireDUSB
单选题
A computer’s onboard LPT1 port fails. Which of the following I/O cards should be installed to fix this problem?（）
A
Serial
B
Parallel
C
FireWire
D
USB
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