The document discusses the history and development of different storage media technologies over time, including punched cards, punched tape, magnetic disks, optical discs, memory sticks, and USB. It notes key inventions and innovations such as the punched card in 1725, telegraph communication using punched tape in 1846, the creation of floppy disks by IBM in 1967, the invention of the hard disk drive in 1956, the development of CDs in the 1980s by Sony and Philips, the creation of DVDs in the 1990s, and the invention of Blu-ray discs in 2003. It also covers the development of different types of memory cards and USB technology in the 1990s and 2000s.

1. Cristian Gómez
Marc Visiedo

2.  PUNCHED CARDS
 PUNCHED TAPE
 MAGNETIC DISKS
 OPTICAL DISC
 MEMORY STICK
 USB

3.  Invented in1725
 By Basile Bouchon and Jean-Baptiste
 INPUT

4.  1846 Alexander Bain, telegrams.
 INPUT AND OUTPUT.
 Teleprinter communication.

5.  Diskette
◦ 1967, IBM created by David Noble in California.
◦ Are more size.
◦ INPUT and OUTPUT
 HDD
◦ 1956
◦ First was inveted by IBM: Ramac I
◦ INPUT and OUTPUT

6.  CD
• June 1980
• Developed by Philips
• 1982 Sony and Philips began marketing the
CD
 DVD
• 1990
• Philips, Sony and Toshiba.

7.  Blu-Ray
• Invented in 2003.
• 2002, Blu-ray Disc Association, 9 members:Sony,
Matsushita, Pioneer, Philips, Thomson, LG, Hitachi,
Sharp and Samsung.

8.  1995
 Invented by TOSHIBA
 TYPES:
◦ Secure Digital
◦ MultiMediaCard
◦ Memory Stick
◦ CompactFlash

9.  1996
 is the most used in the
world