Home » What do you need to check serial and parallel port? Computer Hardware MCQs What do you need to check serial and parallel port? April 13, 2022 4 Views Q. What do you need to check serial and parallel port? A. Port adapter B. Logic probe C. Loopback plug D. All of these Answer: Loopback plug
The monitor power LED is “on‟ but the monitor screen is completely dark. The least likely cause of the problem is:
Dust in a computer actually increase the size of the magnetic fields inside it. This is not good, so you must occasionaly dust, I trust. What‟s the best way to do this?