MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
DVD uses |
| A. | laser beam for both recording and playback |
| B. | laser beam for recording and video head for playback |
| C. | video head for recording and laser beam for playback |
| D. | none of the above |
| Answer» B. laser beam for recording and video head for playback | |