Digital Preservation Tutorial

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view allgeneral developmentsprotocols and formatsnetworkshardware and softwaremediacrisis and obsolescenceorganizational response
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1881
Punchcardbullet.gif J.S. Billings, then director of what was to become the National Library of Medicine, suggests to Herman Hollerith that a mechanical system based on cards be used to tabulate the Census. Hollerith develops a punch card system used with the 1890 Census.
1928
punchcardbullet.gif IBM introduces a rectangular hole punch card that becomes the industry standard.
1955
bullet.gif IBM introduces RAMAC, the first commercial disk drive. It used 50 hefty aluminum disks, stored 5Mb, occupied the space of two refrigerators, and weighed a ton.
1971
8inchDisk.jpegbullet.gif The 8" floppy disk appears. It doesn't seem large at the time.
1972
bullet.gif Laserdiscs are introduced.
1976
5 1/4 inch disksbullet.gif The first 5.25" floppy disks are introduced. When this product reaches the PC market it causes an explosive growth in digital information storage.
1978

bullet.gif Philips releases the laserdisc player.

1980

bullet.gif Laserdiscs begin to develop "Laser rot" due to oxidation of the aluminum layer.

1981

3.5 inch floppiesbullet.gif Sony introduces the first 3 1/2" floppy drives and diskettes.

1982

bullet.gif Compact Disk-Digital Audio (CD-DA) is introduced to the market jointly by Philips and Sony.

bullet.gif Sony and Philips introduce the first CD player

1983

60mb cassette tapebullet.gif The QIC Standard becomes the first standard in computer history for tape drives.

1984

bullet.gif Philips and Sony introduce CD-ROM technology.

1986

DAT tapebullet.gif Digital Audio Tape (DAT) is introduced.

bullet.gif Philips and Sony join forces to create the CD-Interactive or CD-I format.

1988

bullet.gifCDs outsell vinyl records.vinyl record

1989

bullet.gifScience Citation Index® is published on compact disk.

1990

bullet.gif Kodak announces the development of the Photo CD.CD-R

bullet.gif Philips specifies the characteristics and format of a recordable CD, or CD-R.

bullet.gif Most 2-inch videotape machines become obsolete.

1991

bullet.gif Philips introduces Compact Disc Interactive (CD-I) player for music and video.

1992

bullet.gif The digital Sony Mini-Disc is introduced.

bullet.gifCDs outsell cassette tapes.

1995

bullet.gif Iomega debuts high-capacity drives "Jaz" and "Zip".Iomega Zip disk

1997

bullet.gifHD-ROM is announced by Norsam Technologies.

bullet.gifRosetta disk is announced.rosetta
bullet.gif DVD discs and players become commercially available.DVD

1998
bullet.gif MP-3 players for downloaded Internet audio appear.
2000
bullet.gif A commercial Digital Video Recording (DVR) system is developed by TiVo, Inc. Reruns of Columbo can now be recorded digitally, saved, and viewed anytime.
2002

bullet.gifDVD players outsell VCRs.

  2004
  bullet.gif Apple's family of personal music players, the iPod, dominates the market with over 5.7 million units sold since their debut in late 2001.
  2005
  bullet.gifUSB Flash Drives flourish. The solid state, inexpensive, pocketable storage media are taking sushiall kinds of shapes and sizes (pens, watches, little fuzzy creatures, and even sushi).