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