Which of the following file extensions is commonly used for storing video files?

Correct option is C

The file extension .avi (Audio Video Interleave) is commonly used for storing video files. It is a multimedia container format that can store both video and audio data in a single file. Due to its wide compatibility across media players and operating systems, .avi has been a popular format for video storage and playback. Therefore, among the given options, .avi correctly represents a video file extension.
Important Key Points:
1. What is .avi? .avi stands for Audio Video Interleave, a multimedia container format developed by Microsoft.
2. Type of Content: Stores video data along with audio, synchronized within one file.
3. Common Usage: Used for movies, recordings, and general video playback.
4. Compatibility: Supported by many media players such as VLC, Windows Media Player, and others.
5. Advantages: Simple structure, wide support, good quality output.
6. Limitation: Larger file size compared to modern formats like .mp4 due to less efficient compression.
Knowledge Booster:
· Why option (a) .pdf is incorrect? .pdf is used for documents, not video files.
· Why option (b) .wav is incorrect? .wav is an audio-only file format.
· Why option (d) .tiff is incorrect? .tiff is an image file format, mainly used for high-quality pictures and scans.