单词 | core memory |
释义 | > as lemmascore memory b. A unit of magnetic material in a computer; esp. one in which two directions of magnetization represent 0 and 1 and the magnetization remains unchanged until reversed by currents in wires passing through or round the core. So core memory, core store, etc. ΘΚΠ society > computing and information technology > hardware > [noun] > primary storage or main memory > core memory core1950 twistor1957 1950 Jrnl. Appl. Physics 21 49 Magnetic cores with a rectangular hysteresis loop are used in a storage system which requires no mechanical motion and is permanent. 1953 R. D. Kodis et al. in Convention Record of IRE 38 (heading) Magnetic shift register using one core per bit. 1955 Sci. Amer. June 95/1 The units in the system are tiny rings of magnetic material, called ‘cores’. 1959 Oxf. Univ. Gaz. 9 Mar. 743/1 The computing equipment consists of: One Ferranti Mercury computer, with four blocks of core store. 1962 Gloss. Terms Automatic Data Processing (B.S.I.) 76 Core store, an array of storage cores used as a magnetic store. 1964 R. F. Ficchi Electr. Interference vii. 114 The computer..has 23 instructions designed to operate with two overlapping core-storage units. 1965 Math. in Biol. & Med. (Med. Res. Council) iv. 192 The core memory size (32000 words of 36 bits each). 1969 P. B. Jordain Condensed Computer Encycl. 303 The individual magnetic cores are strung on fine insulated wires and assembled into flat planes (or arrays) containing 16 to 10,000 cores apiece. < as lemmas |
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