CompTIA A+ Core 1 220-1101 – Question108

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?


A.
HDMI
B. Bluetooth
C. USB
D. Lightning

Correct Answer: C