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

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

Açıklama

DVDs and Blu-ray discs use lasers.

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