单项选择题
Which of the following expansion devices would allow a user to utilize multiple hardware profiles to control an external display and power option?（）
A. PCI Express card
B. KVM
C. PCMCIA card
D. Docking station
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Which of the following adapter cards allows I/O devices to be connected and transmits data using a POTS line?（）
A. PCI tuner card
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C. PCI SCSI
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Which of the following operating system types will allow a user to utilize 16GB of RAM if installed on a PC workstation?（）
A.8-bit
B.16-bit
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Which of the following processing types allows two instructions to be received and processednanoseconds apart?（）
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