The Optical Storage Quiz! Trivia

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  • 1/9 Questions

    The pattern of pits and lands on the reflected layer:

    • Represents the data stored
    • Indicates damage
    • Represents important data
    • Indicates data to be erased
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About This Quiz

Explore the fundamentals of optical storage in 'The Optical Storage Quiz! Trivia'. This quiz covers how data is represented, stored, and written on optical disks such as CDs and Blu-rays, using laser technology. Ideal for learners interested in computer hardware and data storage technologies.

The Optical Storage Quiz! Trivia - Quiz

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  • 2. 

    Blu Ray disk are well known for:

    • High quality and low capacity

    • High quality and large capacity

    • High quality and slow access

    • Using blue violet laser and storing low amount of data

    Correct Answer
    A. High quality and large capacity
    Explanation
    Blu Ray disks are well known for their high quality and large capacity. They are able to store a large amount of data while maintaining a high level of audio and video quality. This is achieved through the use of a blue-violet laser, which has a shorter wavelength and allows for more precise data reading and writing. This combination of high quality and large capacity makes Blu Ray disks a popular choice for storing and playing high-definition movies and other multimedia content.

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  • 3. 

    Examples of Optical storage are:

    • Floppy disk, CD, DVD

    • CD, HD DVD, Pen Drive

    • Blue Ray, CD-RW, CD-R

    • Blue Ray, Hard disk, magnetic tape

    Correct Answer
    A. Blue Ray, CD-RW, CD-R
    Explanation
    Optical storage refers to the use of laser technology to read and write data on a disc. Examples of optical storage include Blu-ray, CD-RW, and CD-R. Blu-ray discs have a higher storage capacity compared to CDs and DVDs, making them suitable for storing high-definition videos and large files. CD-RW (Compact Disc-ReWritable) and CD-R (Compact Disc-Recordable) are both types of CDs that can be written and rewritten multiple times. These optical storage devices are commonly used for data backup, software installation, and media storage.

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  • 4. 

    Optical disks

    • Use magnetic charges to represent data

    • Use laser beam to represent 1s and 0s

    • Use electronics to read and write data

    • All of the above

    Correct Answer
    A. Use laser beam to represent 1s and 0s
    Explanation
    Optical disks use a laser beam to represent 1s and 0s. This is achieved by encoding the data as microscopic pits on the disk's surface, which are then read by a laser beam. The laser beam reflects off the pits differently depending on whether they represent a 1 or a 0, allowing the data to be read accurately. Therefore, the correct answer is that optical disks use a laser beam to represent 1s and 0s.

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  • 5. 

    Blu Ray disk

    • Stores less data than a CD-RW

    • Stores only videos

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

    • Stores more data than other optical disks

    Correct Answer
    A. Stores more data than other optical disks
    Explanation
    The given correct answer states that a Blu Ray disk stores more data than other optical disks. This is because Blu Ray technology has a higher storage capacity compared to other optical disk formats such as CDs and DVDs. Blu Ray disks use a blue-violet laser to read and write data, allowing for higher density and more data to be stored on the disk. This makes Blu Ray disks suitable for storing high-definition videos, as well as large amounts of data for other purposes.

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  • 6. 

    Data is written to the disk:

    • Using a weak laser beam to burn patterns in the surface

    • Using a powerful laser beam to burn patterns in the surface

    • Using non-magnetic charges

    • None of the above

    Correct Answer
    A. Using a powerful laser beam to burn patterns in the surface
    Explanation
    Data is written to the disk using a powerful laser beam to burn patterns in the surface. This process is known as optical data storage, where the laser beam creates microscopic pits on the disk's surface to represent the data. The powerful laser beam ensures that the pits are accurately and clearly burned onto the surface, allowing for efficient data storage and retrieval.

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  • 7. 

    Land is a

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

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

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

    • Burnt surface, where the laser is not reflected

    Correct Answer
    A. Reflective surface, representing a binary digit '1' on reflective layer
    Explanation
    The correct answer is reflective surface, representing a binary digit '1' on the reflective layer. This is because in the context of the question, land refers to the surface on a CD or DVD where data is stored. The land is a reflective surface that represents a binary digit '1' on the reflective layer of the disc.

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  • 8. 

    Data on Optical disk is stored on a

    • Label layer

    • Magnetic layer

    • Reflected layer

    • None of the above

    Correct Answer
    A. Reflected layer
    Explanation
    Data on an optical disk is stored on a reflected layer. Optical disks use a technology called optical storage, where data is written and read using a laser beam. The reflected layer is a thin metallic layer on the surface of the disk that reflects the laser beam. The data is encoded as pits and lands on this layer, which are then read by the laser beam as it reflects off the surface. This reflected layer is crucial for the storage and retrieval of data on optical disks.

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  • 9. 

    Blu Ray disk is equivalent to

    • 36 CDs

    • 46 CDs

    • 2 DVD

    • 2 CD-Rs

    Correct Answer
    A. 36 CDs
    Explanation
    A Blu Ray disk is equivalent to 36 CDs because Blu Ray disks have a higher storage capacity compared to CDs. Blu Ray disks can typically store up to 25 GB of data, while CDs can only store up to 700 MB. Therefore, to match the storage capacity of a single Blu Ray disk, you would need approximately 36 CDs.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 04, 2010
    Quiz Created by
    Silmer404

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