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 24 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?