ExamPlay Light Logo
Zalogować się

Computer Science for IGCSE & O level - Hardware (Section 29 - No. 49)

What do DVDs and Blu-ray discs use for their read and write mechanisms?
Magnetic heads
Solid State
Laser light
Electrical pulse

Wyjaśnienie

DVDs and Blu-ray discs use lasers.

Uwagi (0)

Reklama