The PlayStation 1 was revolutionary not because of its polygon count (the Nintendo 64 was technically superior), but because of its medium. The CD-ROM was cheap to press, vast compared to cartridges, and contained everything: the game, the redbook audio soundtrack, and often, grainy full-motion video. But CDs rot. They scratch. Lasers fail.
The gold standard for decades. The .bin file contains the raw data, while the .cue file acts as a map for the audio and data tracks. ps1 iso archive