| punched tape & card |
memory |
magnetic & optic medium |
modem & phone |
miscellaneous |
| Electronic tube |
IBM |
Wafer silicium |
Wafer silicium |
Digital |
| various models |
tube element |
3", 1½", 1¼" |
6", 4" |
model pdp 11/15 |
| 1945 |
1955 |
1975 |
1978 |
1970 |
 |
 |
 |
 |
 |
| Hewlett Packard |
Carte CPU |
Daisy wheel |
? |
Siemens |
| HP 2100 A |
Intel 8008 |
various fonts |
encoding plate |
encoding plate |
| 1972 |
1976 |
1990 |
? |
1978 |
 |
 |
 |
 |
 |
| IBM 421 |
Olivetti |
Keyboard |
ITT |
| tabulator element |
card |
prototype EPFL |
Quartz type 100 |
| 1955 |
1969 |
1980 |
1966 |
 |
 |
 |
 |
Display
| Sanyo |
Hitachi |
Philips |
NEC |
Rodan |
| 7 segments lamp |
Nixie tube |
Nixie tube |
Nixie tube |
Nixie tube |
| 1969 |
1970 |
? |
? |
? |
 |
 |
 |
 |
 |
| ? |
? |
Sperry |
Sperry |
Sperry |
| "8", incandescent |
"+", incandescent |
SP-352, incandescent |
SP-753, incandescent |
SP-754, incandescent |
| 1974 |
1974 |
1974 |
1974 |
1974 |
 |
 |
 |
 |
 |
| Sperry |
? |
? |
| SP-754, incandescent |
fluorescent matrix |
7x5, fluorescent |
| 1974 |
? |
? |
 |
 |
 |
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