单词 | williams tube |
释义 | > as lemmasWilliams tube As a modifier. Designating a cathode-ray tube used in some early computers to store an array of spots representing bits; (also) designating or relating to computer memory based on such tubes. Esp. in Williams tube.The Williams tube was the first practical kilobit random-access storage device. ΘΚΠ society > computing and information technology > hardware > secondary storage > [noun] > cathode-ray tube selectron1947 Williams tube1950 1950 W. W. Stifler High-speed Computing Devices (Engin. Res. Associates) x. 202 The proposed machine will have an electrostatic storage system consisting of a bank of Williams tubes. 1953 National Bureau of Standards Techn. News Bull. (U.S. Dept. Commerce) Oct. 147/2 This makes it possible for the calculator to use fully the speed of the Williams-tube memory, doing complete arithmetic operations in a few microseconds. 1970 O. Dopping Computers & Data Processing x. 150 The Williams memory had many weaknesses but until the middle fifties it was the only available memory in the microsecond class apart from the expensive flip-flop registers. 1975 R. Malik And Tomorrow..the World iii. 55 By then they had dropped the Williams storage and its regenerative memory and switched to core memory. 2001 Australian (Nexis) 30 Jan. 49 What became known as the Williams Tube was ready to form the nucleus of a digital computer. < as lemmas |
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