Which of the following is the best way to remove dust from the inside of a computer?

Which of the following is the best way to remove dust from the inside of a computer? (Choose
TWO.)

A.
Using a dust cloth.

B.
Using compressed air to remove dust.

C.
Blowing the dust out gently.

D.
Shaking the dust out.

E.
Vacuuming the dust out.