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?

Q. 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?

A.            reservevaccum

B.            any small vaccum device

C.            blow real hard on the system board

D.            use compressed air can

Answer: use compressed air can