单词 | sum check |
释义 | > as lemmassum check sum check n. (a) any of various procedures used for checking the accuracy of calculations involving addition; (b) Computing a procedure used for checking the integrity of data, in which the sum of the digits of a number is calculated and compared with its checksum. ΘΚΠ society > computing and information technology > data > database > data entry > [noun] > error check summation check1926 checksum1940 parity check1950 Hamming distance1954 redundancy check1955 sum check1956 validity check1957 1930 Proc. Physical Soc. 42 107 For a problem like this, the time would be nearly doubled if the sum check mentioned above were included. 1956 Jrnl. ACM 3 184 In almost all cases sum checks are made of stored data before service routine execution operation to ascertain whether the data are correctly stored. 1989 M. Laver Information Technol. vii. 104 A batch of items of numerical data may be added together on a pocket calculator and the total entered as a 'sum check' to be compared with the result of the same addition by the computer. 2001 IEEE Trans. Aerospace & Electronic Syst. 37 268/1 The memory tests use an incorporation of redundant information technique, comprising cyclic redundancy checks (e.g., parity checks) and sum-checks. < as lemmas |
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