多項(xiàng)選擇題

When configuring a POS system, which of the following peripheral devices would MOST likelyneed to be installed?（）

A. Optical mouse
B. Handheld digitizer
C. Barcode reader
D. Touchscreen
E. Document scanner
F. Keyboard
G. External USB drive

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單項(xiàng)選擇題

Which of the following cables would use a DB-15 connector type?（）

A.HDMI
B.Optical
C.VGA
D.DVI

單項(xiàng)選擇題

A PC cannot connect to the network. A network card was purchased without documentation ordriver discs. Which of the following is the BEST way to install it into this machine?（）

A. Download and install the drivers
B. Run Windows update to install drivers
C. Copy drivers to flash drive and install
D. Purchase the disc online and install