Q17. The most commonly used storage device is....
A. Steel
B. Optical
C. Magnetic
D. Flash
Q18. A DVD is an example of a (n).....
A. Hard Disk
B. Optical Disk
C. Output Device
D. Solid-State Storage Device​

Respuesta :

Answer:
Q17. Ans: Magnetic

Q18. Ans: Optical Disk

Explanation:

magnetic storage devices, such as hard disk drives. optical storage devices, such as CD, DVD and Blu-ray discs. solid state storage devices, such as solid state drives and USB memory sticks.

The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format