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| punched tape & card | memory | magnetic & optic medium | modem & phone | miscellaneous |
Magnetic tape
| Hewlett Packard | Olivetti | TDK | Hewlett Packard | Hewlett Packard |
| HP 7970 E, tape unit | never ending tape | audio tape 10 min | 1200 ft | ? |
| 1981 | 1968 | 1970 | 1981 | ? |
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| Storage Master | Sinclair | 3M |
| ? | MicroDrive, 100kB | 6250 cpi |
| ? | 1983 | 1981 |
) |
) |
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| Sony | Sanyo | Philips | Philips |
| KCA-60K | Beta Cord, 500 min | LVC 90, 90 min | V 2000, 2*4h |
| ? | ? | ? | ? |
) |
) |
) |
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Magnetic card
| IBM | Olivetti | Hewlett Packard | Texas Instrument | Hewlett Packard |
| 0629 | Programma 101 | HP 9100 | TI 59 | HP 75 |
| 1963 | 1968 | 1973 | 1977 | 1982 |
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Hard disk
| Memorex | Digital | Honeywell Bull | IBM | SyQuest |
| winchester, 60MB | RL01K, data cartridge | Cii, winchester | 120 MB, 34 kg | removable, 88MB |
| 1981 | 1981 | 1984 | 1985 | 1988 |
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) |
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| Digital |
| 1GB, 15kg |
| 1992 |
) |
Floppy
| Shungart | Olivetti | Schneider | Sharp PC-1600 | Verbatim |
| 8", 256 à 1024 bytes | mini disk | 3", 180kB / face | 2½" | 24 MB |
| 1971 | 1980 | 1984 | 1986 | 1988 |
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Optical and magneto-optical medium
| Philips | CD Recordable | CD Recordable | Maxell MiniDisk | CD Rewritable |
| LaserVision, Ø 30cm | 650 MB | 700 MB | 140 MB | 650 MB |
| 1984 | 1990 | 1994 | 1994 | 1999 |
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| CD Recordable | 3M | 3M |
| IBM, 200 MB | floptical 21MB | rewritable, 1.3GB |
| 1988 | 1991 | ? |
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