1101

A technician is replacing a computer with a connected point-of-sale system using a 9-pin serial adapter. The new computer does not have a 9-pin serial port. Which of the following ports can an adapter be installed on in order to connect to the point-of-sale system?

发布于 2021-03-18 18:36:51
【单选题】
A HDMI
B Bluetooth
C USB
D Lightning

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hxc
hxc 2023-03-18
这家伙很懒，什么也没写！
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