What testing component could be installed into an expansion slot or attached to a USB port to perform hardware diagnostics and display the results on an LED display?
A) Loopback plug
B) Power tester
C) POPST
D) POST card

Question

Quizplus · Accepted Answer

A POST (Power On Self Test) card can be installed into an expansion slot or attached to a USB port to perform hardware diagnostics and display the results on an LED display. This can be helpful in diagnosing hardware issues in a computer.

What Testing Component Could Be Installed into an Expansion Slot