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Which technology is used in compact disks?

by Safina Batool

A. Mechanical

B. Electrical

C. Electro Magnetic

 D. Laser 

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Which technology is used in compact disks? – Government Jobs Expert July 6, 2020 - 9:26 pm

[…] https://jobexpert.pk/past-ppsc-papers/which-technology-is-used-in-compact-disks/ A. Mechanical B. Electrical C. Electro Magnetic  D. Laser  […]

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