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Storage Device Timeline CBA 1st hour Aimee Tardiff
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Aimee Tardiff
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14 Sep 2017
Events
Floppy Disk Invented in 1970 Invented by Yoshiro Nakamatsu The floppy Disk cost $3.50 Has a capacity of 1.44 MB and it is about 3.5 inches wide
THE SELECTRON TUBE Invented in 1946 By Jan A. Rajchman It cost about $500 It has a 256-bit capacity
Punch Cards Invented in the 1890s but primaily used in 1925-1970 Invented by Herman Hollerith For a box of 2000 it cost about $40 Early computers often used punch cards for input both of programs and data.
CD/DVD The first Invented in 1995 By James T. Russell The format was originally developed to store and play only sound recordings but was later adapted for storage of data The cost for a CD was: $14 The cost of a Sony Player was: $674
Digital Audio Tape (DAT) Invented in 1887 By Sony and Philips This is a digital magnetic audio tape format, initially designed for audio. It used 4mm tape in a cassette, roughly half the size of a Compact Cassette.
Hard Disk Invented in 1956 By Reynold B. Johnson A hard disk Implements rotating platters, which stores and retrieves bits of digital information from a flat magnetice surface.
Zip Drive Invented in 1994 By Lomega The Zip drive is a medium-to-high-capacity removable floppy disk storage system The cost of a Zip Disk is about $7.
Magnetic Tape Invented in 1928 By: Fritz Pfleumer Based off of Vlademar Poulsen's magnetic wire. It cost between $3 and $20 per gigabyte.
