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You have a folder with many image files named photo1.jpg, photo2.png, and photo3.gif. Which statement is true about these file extensions?

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Intro to Computing - How Data is Represented
You have a folder with many image files named photo1.jpg, photo2.png, and photo3.gif. Which statement is true about these file extensions?
AAll are audio file formats
BAll are image formats but differ in compression and transparency support
COnly .jpg is an image; others are video formats
DThese extensions indicate executable files
Step-by-Step Solution
Solution:
  1. Step 1: Identify the file types by extension

    .jpg, .png, and .gif are all image file formats commonly used for photos and graphics.
  2. Step 2: Understand differences among these formats

    .jpg uses lossy compression, .png supports lossless compression and transparency, .gif supports animation and transparency.
  3. Final Answer:

    All are image formats but differ in compression and transparency support -> Option B
  4. Quick Check:

    Image formats differ by compression and features [OK]
Quick Trick: Image files vary by compression and transparency [OK]
Common Mistakes:
MISTAKES
  • Thinking .png or .gif are videos
  • Confusing image files with audio
  • Assuming these are executable files

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