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

The correct answer is (a) wav.
Explanation:
● .wav is a file extension for an audio file format.
● .jpg, .tiff, and .png are all standard image file extensions.
Information Booster:
● Common Image Formats: JPEG, PNG, GIF, TIFF, BMP.
● Common Audio Formats: MP3, WAV, AAC, WMA.

● Image formats differ in compression, quality, and use cases.
● PNG supports transparency, while JPG uses lossy compression.

Additional Knowledge:
● Other image formats include .bmp, .gif, and .webp.
● WAV files store uncompressed audio, resulting in larger file sizes.
● Choosing the correct file format depends on the type of data and usage.