A. Mechanical
B. Electrical
C. Electro Magnetic
D. Laser
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The correct answer to the question: "Which technology is used in compact disks?" is "Laser".
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
2 Comments
Good effort by team
Compact disks (CD) is read by the following process.
Computer contains the information in form of bits (0s and 1s), these are represented on a CD disk inform of lands and pits.
The laser is being strike onto the CD disk and reflected, the reflecting rays are targeted on a photo electric diode, which converts those information into images, audio or text.