单项选择题
A. PCI Express card
B. KVM
C. PCMCIA card
D. Docking station
单项选择题 Which of the following adapter cards allows I/O devices to be connected and transmits data using a POTS line?（）
单项选择题 Which of the following operating system types will allow a user to utilize 16GB of RAM if installed on a PC workstation?（）
单项选择题 Which of the following processing types allows two instructions to be received and processednanoseconds apart?（）