Get Started
1331

Q: Which technology is used in compact disks?

  • 1
    Laser
  • 2
    Mechanical
  • 3
    Electrical
  • 4
    Electro magnetic
  • Show Answer
  • Workspace

Answer : 1. "Laser"
Explanation :

Answer: A) Laser Explanation: Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.  These are actually made to replace floppy disks that were used to store files and programs from the computer.   The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).   These CD's uses Laser technology.

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today