Which of the following is not a file extension of an image file ?

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  1. wav
  2. jpg
  3. tiff
  4. png

Answer (Detailed Solution Below)

Option 1 : wav
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Detailed Solution

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The correct answer is wav

Key Points

  • wav: ❌ Not an image file. It is a Waveform Audio File Format used for storing audio bitstreams on PCs. It is a common audio file format.
  • jpg: ✅ A commonly used method of lossy compression for digital images.
  • tiff: ✅ Tagged Image File Format, often used for storing high-quality images.
  • png: ✅ Portable Network Graphics, widely used for web images and supports transparency.

Additional Information

  • Image file formats like JPG, PNG, TIFF are primarily used for storing raster graphics.
  • Audio files like WAV, MP3 are not related to images and are handled by different software and systems.

Hence, the correct answer is: option 1) wav

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