Technician A says that a switch in a "pull-up circuit" provides voltage to the computer when it is closed. Technician B says that a switch in a "pull-down circuit" provides a ground to the computer when it is closed. Who is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician

Question

Quizplus · Accepted Answer

In a pull-up circuit, the switch indeed provides voltage to the computer when closed, as described by Technician A. In a pull-down circuit, the switch provides a ground to the computer when it is closed, as described by Technician B. Therefore, both technicians are correct.

Technician a Says That a Switch in a "Pull-Up Circuit