Quiz  /  Data compression Class 8 MCQ Questions With Answers

  • 1. 
    How many bytes are in 2KB?

  • 2,000000 (2 million)
  • 2000 (2 thousand)
  • 2,000,000,000 (2 billion)

  • 2. 
    Select the advantages for lossy compression

  • Makes the file much smaller
  • Will send much quicker
  • A very simple algorithm
  • All of above

  • 3. 
    350MB is how many GB?

  • 0.0035
  • 0.035
  • 0.35
  • 3.5

  • 4. 
    Which order is correct?

  • Bit, Nybble, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte
  • Bit, Byte, Nybble, Megabyte, Kilobyte. Gigabyte, Terabyte
  • Bit, Nybble, Byte, Megabyte, Kilobyte, Gigabyte, Terabyte
  • All of above

  • 5. 
    The first line of this image in RLE would be...

  • 8W, 1Bl, 20B, 1W
  • 10B, 4Y, 17R, 2G
  • 2G, 10P, 17Y, 2Bl

  • 6. 
    Which file size is larger?

  • MB
  • KB

  • 7. 
    How many bytes are in 2GB?

  • 2,000000 (2 million)
  • 2000 (2 thousand)
  • 2,000,000,000 (2 billion)

  • 8. 
    When is Run Length Encoding used?

  • When we want to compress patterns of data
  • When we want to decompress patterns of data
  • When we want to encode running videos

  • 9. 
    How many bytes are in 2MB?

  • 2,000000 (2 million)
  • 2000 (2 thousand)
  • 2,000,000,000 (2 billion)

  • 10. 
    Advantages for lossless compression

  • The quality will not be affected much
  • Will send quicker
  • A very simple algorithm
  • All of above

  • 11. 
    Data compression is important for websites because:

  • Your webpage will load faster
  • Compressed images look better

  • 12. 
    You would use ______ compression if you still needed to have a high quality image

  • Lossy
  • Lossless

  • 13. 
    You would use ______ compression if space was more important than quality

  • Lossy
  • Lossless

  • 14. 
    Compression that can compress data files without losing any of the information is called

  • Lossy
  • Lossless
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