Gb) - (4.7

: Contrast this with the 700 MB capacity of the CD-ROM.

: Briefly mention how later "blue/violet" laser technologies (Blu-ray) further compressed data to reach 25 GB+. (4.7 GB)

: Discuss the standardization of the 4.7 GB single-sided, single-layer disc as the industry norm over competing formats. III. The Impact on Media and Culture : Contrast this with the 700 MB capacity of the CD-ROM

: Define 4.7 GB as the standard capacity for a single-layer DVD-R. (4.7 GB)

: The adoption of the 4.7 GB standard was not merely a technical upgrade; it was the catalyst that enabled the democratization of high-quality video and the birth of personal digital archiving. II. The Physics of the Pit: How 4.7 GB was Achieved

: Explain the transition from the red lasers used in CDs to the more precise optics that allowed for tighter data packing on DVDs.