magnetic storage device
No, its not an optical storage device.
printer
A DVD is the media that data is written to. A DVD-ROM, DVD-RAM, DVD/RW etc is the optical storage device.
optical
optical
A compact disk (CD) is an optical storage device.
The answer is CPU
Storage device is something used to store the data. It has several types such as magnetic, optical, electronic etc. Talking about a computer, storage device may be removable or non-removable.
A CD, DVD or Blueray disk recorder player.
Optical storage device
Harddrive is magnetic. Optical storage devices examples are CDs, DVDs etc. Source: IGCSE TCI student :)