Computer Science for IGCSE & O level - Hardware (Section 9 - No. 22) | ExamPlay

Computer Science for IGCSE & O level - Hardware (Section 9 - No. 22)

Which of the following technologies uses a shorter wavelength laser than a DVD?

CD-R

DVD

Blu-ray

HDD

설명

Blu-ray uses a shorter wavelength laser for greater storage capacity.

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