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Network Systems & Social Computing Lossy vs Lossless

Quiz by Robert

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10 questions
Show answers
  • Q1
    What is a key characteristic of a lossless data compression system?
    It is faster than lossy compression.
    It allows the original data to be perfectly reconstructed from the compressed data.
    It permanently removes some data to reduce file size.
    It requires more storage space than lossy compression.
    30s
  • Q2
    In the context of network systems, which of the following best describes lossy compression?
    It retains all original data without loss.
    It is used exclusively for text files.
    It always results in larger file sizes.
    It reduces file size by permanently eliminating some data.
    30s
  • Q3
    Which of the following formats is typically associated with lossless compression?
    JPEG
    GIF
    FLAC
    MP3
    30s
  • Q4
    What is a primary advantage of using lossy compression in network systems?
    It is universally compatible with all formats.
    It ensures no data is lost during compression.
    It provides higher quality than lossless compression.
    It significantly reduces file size, making data transfer faster.
    30s
  • Q5
    Which of the following is a common application of lossless compression?
    Online gaming graphics.
    Streaming video content.
    Podcast audio production.
    Archiving documents for legal purposes.
    30s
  • Q6
    In which scenario is lossless compression typically preferred over lossy compression?
    When sharing photographs on social media.
    When streaming music.
    When dealing with sensitive medical imaging files.
    When downloading videos.
    30s
  • Q7
    Which of the following statements is true regarding lossy and lossless compression?
    Lossy compression retains all the original data perfectly.
    Lossless compression is unsuitable for image files.
    Lossless compression always results in smaller files than lossy compression.
    Lossy compression is generally more efficient in reducing file sizes than lossless compression.
    30s
  • Q8
    What is a disadvantage of using lossy compression?
    It requires less processing power than lossless compression.
    It ensures all original data is retained.
    It is always more efficient than lossless compression.
    It may result in a noticeable decrease in quality for some types of data.
    30s
  • Q9
    Which of the following is an example of a file format that uses lossy compression?
    PNG
    ZIP
    MP3
    TIF
    30s
  • Q10
    Which of the following best describes a scenario where lossless compression is necessary?
    Streaming audio during a live concert.
    Compressing high-resolution images for a gallery exhibition.
    Sharing casual photos on social media.
    Transmitting video for online gaming.
    30s

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