History of Electronic File Storage By jesslee888 May 21, 1952 Magnetic Tape allows for mass storage of information Magnetic tape allows for masss storage of information. Jun 2, 1961 IBM 1301 Disk Storage Unit is released Oct 11, 1962 IBM 1311 Disk Storage Drive announced Mar 18, 1971 8-inch floppy diskette invented as a program and data storage medium May 20, 1976 5 1/4 floppy disk introduced to use with desktop computer Oct 1, 1980 First hard disk drive created for microcomputers Feb 17, 1981 Sony introduced first 3 1/2 floppy disk drive and diskette Mar 18, 1983 CD-Rom's intoduced and able to hold 550 megabytes of prerocrded data Mar 17, 2015 Data today in stord in a hard drive in RAM