Disk Pack from a Wang Minicomputer (circa 1988)

Wang Disk Packs 15 Inches in diameter. About 228 Mb storage

Disk, CD ROM and DVD Chronology

1956 IBM RAMAC is first computer to use random access disk drives

1971 IBM (Alan Shugart) develops the 8 inch floppy diskette

1976 IBM introduces the 5-1/4 inch floppy diskette

1981 Sony introduces the 3.5 inch diskette

1985 Philips and Sony introduce the CD-ROM

1996 DVD-ROM is introduced

 

See also Large IBM Storage Disk

Storage Disks Compared

 


History of Computing

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