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Which of the following is the correct way to describe a compressed file?

easy🧠 Conceptual Q3 of Q15
Intro to Computing - How Data is Represented
Which of the following is the correct way to describe a compressed file?
AA file that has been encrypted for security
BA file that has been made smaller by removing redundant data
CA file that is converted to a different programming language
DA file that contains only images and videos
Step-by-Step Solution
Solution:

  1. Step 1: Understand what compression does to files

    Compression reduces file size by removing repeated or unnecessary data.

  2. Step 2: Match description to compression

    Only A file that has been made smaller by removing redundant data correctly describes compression as making files smaller by removing redundancy.

  3. Final Answer:

    A file that has been made smaller by removing redundant data -> Option B

  4. Quick Check:

    Compressed file = Smaller by removing redundancy [OK]
Quick Trick: Compression removes repeated data to shrink files [OK]
Common Mistakes:
MISTAKES
  • Mixing compression with encryption
  • Thinking compression changes file type
  • Assuming compression only applies to media files

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