Question

1. into which cpu (brain) ports would you plug an old - style (pre - v5) three wire sensor?

a. smart cable port
b. 3 - wire port
c. 4 - pin power port
d. micro - usb port

Explanation:

The question is about where to plug an old - style three - wire sensor into a CPU (brain). An old - style three - wire sensor should be plugged into a port that is designed for three - wire connections. Option A's smart cable port is not for three - wire sensors. Option C's 4 - pin power port is for power and not for three - wire sensors. Option D's micro - USB port is for USB - related connections, not for three - wire sensors. Option B's 3 - wire port is specifically designed for three - wire sensors.

Answer:

B. 3 - wire port