The PB 250 (later Raytheon 250) was a general-purpose computer introduced in 1960 by the Packard Bell Corporation. The word size was 22 bits and the memory...
14 KB (1,345 words) - 11:44, 7 August 2024
"PACKARD BELL 250". ed-thelen.org. A Third Survey of Domestic Electronic Digital Computing Systems. Beck, Robert Mark (30 December 1960). "PB-250 - A High...
34 KB (2,564 words) - 20:21, 24 October 2024
PB 250. Together the two machines formed a hybrid general purpose/DDA computing system. The Hycomp 250 was a hybrid computer that combined the PB 250...
14 KB (1,413 words) - 21:14, 20 October 2024
include the EMI Electronic Business Machine and the Packard Bell Corporation PB 250. "automatic computing engine". Science Photo Library. Retrieved 14 May 2023...
14 KB (1,551 words) - 18:15, 7 August 2024
Calculating Machine Mark XI (or "Monrobot XI") Packard Bell Corporation PB 250 (PB250; no relation to the modern brand of personal computers) used, among...
33 KB (2,463 words) - 23:32, 14 September 2024
also used Flexowriters The Librascope LGP-30 and LGP-21 The Packard Bell PB 250 The SEA CAB 500 The ALWAC III-E The English Electric KDF9. The Whirlwind...
28 KB (3,786 words) - 20:04, 23 July 2024
PB-054 PB-057 PB-061 PB-063 PB-065 PB-069 PB-067 PB-071 PB-073 PB-075 PB-077 PB-079 PB-081 PB-082 PB-085 PB-087 PB-089 PB-090 PB-092 PB-093 PB-095 PB-097...
45 KB (4,933 words) - 17:05, 22 June 2024
business and helped develop the first silicon computer, which became the PB 250, which was modestly successful. In April 1960, Packard-Bell Computer Corp...
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Ferrari P (redirect from Ferrari 250 LM)
design, with a chassis unrelated to existing 250-series Grand Touring cars. Designed by Mauro Forghieri, the 250 P was an open cockpit mid-engined rear wheel...
40 KB (5,127 words) - 02:52, 18 October 2024
LK-99 (redirect from Cu-Pb apatite)
of lead(II) oxide (PbO) and lead(II) sulfate (Pb(SO4)) powders, and heating at 725 °C (1,000 K; 1,340 °F) for 24 hours: PbO + Pb(SO4) → Pb2(SO4)O. Then...
82 KB (7,073 words) - 02:44, 2 October 2024