Storage Device Timeline CBA 1st hour Aimee Tardiff
Category: Altro
è stato aggiornato: 14 set 2017
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Created byAimee Tardiff
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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
wideTHE SELECTRON TUBE
Invented in 1946
By Jan A. Rajchman
It cost about $500
It has a 256-bit capacityPunch 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: $674Digital 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.
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