Optical Storage

9 Questions | Total Attempts: 1939

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Storage Quizzes & Trivia

How Optical Disks work?


Questions and Answers
  • 1. 
    Optical disks
    • A. 

      Use magnetic charges to represent data

    • B. 

      Use laser beam to represent 1s and 0s

    • C. 

      Use electronics to read and write data

    • D. 

      All of the above

  • 2. 
    Examples of Optical storage are:
    • A. 

      Floppy disk, CD, DVD

    • B. 

      CD, HD DVD, Pen Drive

    • C. 

      Blue Ray, CD-RW, CD-R

    • D. 

      Blue Ray, Hard disk, magnetic tape

  • 3. 
    Data on Optical disk is stored on a
    • A. 

      Label layer

    • B. 

      Magnetic layer

    • C. 

      Reflected layer

    • D. 

      None of the above

  • 4. 
    The pattern of pits and lands on the reflected layer:
    • A. 

      Represents the data stored

    • B. 

      Indicates damage

    • C. 

      Represents important data

    • D. 

      Indicates data to be erased

  • 5. 
    Land is a
    • A. 

      Bumpy area, representing a binary digit '0' on reflective layer

    • B. 

      Non-reflective surface, representing a binary digit '1' on reflective layer

    • C. 

      Reflective surface, representing a binary digit '1' on reflective layer

    • D. 

      Burnt surface, where the laser is not reflected

  • 6. 
    Data is written to the disk
    • A. 

      Using a weak laser beam to burn patterns in the surface

    • B. 

      Using a powerful laser beam to burn patterns in the surface

    • C. 

      Using non-magnetic charges

    • D. 

      None of the above

  • 7. 
    Blu Ray disk
    • A. 

      Stores less data than a CD-RW

    • B. 

      Stores only videos

    • C. 

      's capacity is the same as a DVD's capacity

    • D. 

      Stores more data than other optical disks

  • 8. 
    Blu Ray disk is equivalent to
    • A. 

      36 CDs

    • B. 

      46 CDs

    • C. 

      2 DVD

    • D. 

      2 CD-Rs

  • 9. 
    Blu Ray disk are well known for:
    • A. 

      High quality and low capacity

    • B. 

      High quality and large capacity

    • C. 

      High quality and slow access

    • D. 

      Using blue violet laser and storing low amount of data