Tag: science & technology

Heliophobia (from Greek 'helios' meaning sun) is the correct term for fear of sunlight or solar radiation. This is a recognized specific phobia where individuals have an abnormal fear of the sun.

JPEG stands for Joint Photographic Experts Group, the committee that created this popular image compression standard. The format uses lossy compression for digital photographs.

GIF stands for Graphics Interchange Format, a bitmap image format introduced by CompuServe in 1987. It's widely used for simple graphics and supports animation.

AVI stands for Audio Video Interleaved. It's a multimedia container format introduced by Microsoft in 1992. 'Interleaved' refers to how audio and video data are stored together in alternating chunks.

WMA stands for Windows Media Audio, an audio file format developed by Microsoft. It's a proprietary format often used for Windows-based audio playback and was designed to compete with MP3.

MPEG stands for Moving Picture Experts Group, which is the working group that sets standards for audio and video compression. The P in MPEG represents Picture, referring to moving images or video, not still pictures. Media and Portable are incorrect terms in the acronym.

PDF stands for Portable Document Format, which is a file format developed by Adobe to present documents independently of application software, hardware, and operating systems. The key distinction is Format (the structure) versus File (an instance). Photo is incorrect as PDFs handle various content types.

DVD stands for Digital Versatile Disc, not Digital Video Disc as commonly assumed. The term Versatile reflects that DVDs can store various types of digital content beyond just video, including audio, software, and data files. Version and Data are incorrect terms in the standard acronym.