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SID (Synthesis of Integral Design) was a logic synthesis program used to generate logic gates for the VAX 9000. From high-level behavioral and register-transfer level sources, approximately 93% of the CPU scalar and vector units, over 700,000 gates, were synthesized.
Used solid-state diode circuits for its logic. Several computers were based on the SEAC design. SWAC: 1950 1 Built for the U.S.'s National Bureau of Standards, it had 2,300 vacuum tubes. It had 256 words (each 37 bits) of memory, using Williams tubes: ERA Atlas: 1950 (Military version of Univac 1101) Used 2,700 vacuum tubes for its logic ...
Often vacuum-tube computers made extensive use of solid-state ("crystal") diodes to perform AND and OR logic functions, and only used vacuum tubes to amplify signals between stages or to construct elements such as flip-flops, counters, and registers. The solid-state diodes reduced the size and power consumption of the overall machine.
A sleek vacuum with easy-to-use features and a lightweight design, ... but you'll find a suspiciously similar bundle at Amazon on sale for $70 vs. Walmart's $55. $55 at Walmart.
Al Gore was wrong to dismiss direct air capture technology as giving the fossil fuel industry a free pass, writes Jay Michaelson
Fantom Technologies, Inc. was a Canadian household appliance company founded in Welland, Ontario in 1986 as IONA Appliances, with offices in Buffalo, New York, U.S.A manufacturer of dual-cyclonic type vacuum cleaners, they were inspired from the Dyson vacuums (which would not appear in North America until 2002).
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14 List of tubes used in 1920s and 1930s radio receivers. ... This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, ...