cordwood module
1Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
2CDC 6600 — The CDC 6600 was a mainframe computer from Control Data Corporation, first delivered in 1964. It is generally considered to be the first successful supercomputer, outperforming its fastest predecessor, IBM 7030 Stretch, by about three times. It… …
3CDC 7600 — The CDC 7600 was the Seymour Cray designed successor to the CDC 6600, extending Control Data s dominance of the supercomputer field into the 1970s. The 7600 had a 27.5 ns clock cycle and a 65 Kword primary memory using core and variable size… …
4Columbia Rediviva — The Columbia heeling as it approaches a squall. Drawing by George Davidson in 1793, who served as the ship s artist Career (United States of America) …
