About this Quiz

This Data compression Class 8 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

Data compression Class 8 MCQ With Answers

1. Select the advantages for lossy compression

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

2. 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

3. 350MB is how many GB?

  • 0.0035
  • 0.035
  • 0.35
  • 3.5

4. Data compression is important for websites because:

  • Your webpage will load faster
  • Compressed images look better

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

  • Lossy
  • Lossless

6. Advantages for lossless compression

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

7. How many bytes are in 2GB?

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

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

  • Lossy
  • Lossless

9. 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

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

  • Lossy
  • Lossless

11. Select the advantages for lossy compression

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

12. How many bytes are in 2MB?

  • 2,000000 (2 million)
  • 2000 (2 thousand)
  • 2,000,000,000 (2 billion)
  • All of above

13. Advantages for lossless compression

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

14. Which file size is larger?

  • MB
  • KB

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

  • Lossy
  • Lossless

16. How many bytes are in 2MB?

  • 2,000000 (2 million)
  • 2000 (2 thousand)
  • 2,000,000,000 (2 billion)
  • All of above

17. 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
  • none of the above

18. How many bytes are in 2KB?

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

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

  • Lossy
  • Lossless

20. How many bytes are in 2KB?

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

21. The first line of this image in RLE would be...

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

22. Which file size is larger?

  • MB
  • KB

23. How many bytes are in 2GB?

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

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