| 单词 | binary-coded decimal |
| 释义 | > as lemmasbinary-coded decimal binary-coded decimal adj. designating or expressed in a system of notation according to which each digit of a decimal number is expressed as its binary equivalent, with four binary digits for each decimal digit; also as n., a number expressed in this notation. ΘΚΠ society > computing and information technology > [adjective] > relating to notation digital1940 biquinary1946 binary-coded decimal1948 hexadecimal1954 hex1975 society > computing and information technology > [noun] > numerical notation > binary-coded binary-coded decimal1948 BCD1959 society > computing and information technology > [noun] > numerical notation > binary-coded > number expressed in binary-coded decimal1948 1948 Math. Tables & Other Aids Computation 3 286 Decimal numbers must also be..stored in the binary-coded decimal notation to a normal precision of 8 decimal digits. 1959 E. M. McCormick Digital Computer Primer iv. 47 As indicated previously, humans are trained to think decimally, but computers operate in a binary mode. This gap is bridged by the use of binary-coded decimal (bcd) systems. 1960 Gregory & Van Horn Automatic Data-Processing Syst. ii. 48 The conversion of a decimal number into a binary-coded decimal..is simpler than its conversion into binary. 1985 Practical Computing July 35/4 The best cure for this sort of nonsense is to perform all arithmetic using the binary-coded decimal (BCD) notation of four bits per decimal unit. < as lemmas |
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