Computer Concepts Module 4 Practice Exam

File extensions indicate the type of data a file contains, and a name ending with .jpg signals a JPEG image format used for graphics and photographs. JPEGs store image data and use lossy compression to reduce file size while keeping picture quality reasonable, which is why this file is categorized as a graphics image file. It isn’t a text document (like .txt or .docx), an audio file (like .mp3 or .wav), or an executable file (like .exe).