In longitudinal redundancy checking and cyclic redundancy checking, block check characters are computed for, and added to, each message block transmitted.
12.
This block check character is compared with a second block check character computed by the receiver to determine whether the transmission is error free.
13.
This block check character is compared with a second block check character computed by the receiver to determine whether the transmission is error free.
14.
The Luhn mod N algorithm generates a check digit ( more precisely, a check character ) within the same range of valid characters as the input string.
15.
For example, if the algorithm is applied to a string of lower-case letters ( " a " to " z " ), the check character will also be a lower-case letter.
16.
However, a printed ISAN designed for human reading always begins with the ISAN label, appears with hyphens to separate the number into more manageable groups of digits, and adds two check characters ( alphanumeric ) to help identify transcription errors.
17.
The character in position 8 still operates as the check character for all existing and new numbers, but the calculation used to decide this character has been revised to avoid any confusion between an old number and a new number using the same 7 numeric values in the first 7 positions.
18.
The check digits are calculated using MOD-97-10 as per ISO / IEC 7064 : 2003 ( abbreviated to " mod-97 " in this article ), which specifies a set of check character systems capable of protecting strings against errors which occur when people copy or key data.
19.
Although the source area for the diff code appears extremely complicated, it is difficult to understand if there is not a basic part which checks character by character like WP : AWB does ( don't forget, in the diff I provided a whole block of text where the diff was four or five consecutive words showed up that nothing except a space had been changed, the diffs further up show something more complicated which I have not examined, many singular words throughout a large diff ).
20.
The format is seven numeric characters ( including leading zeros ), a check character and sometimes a second letter, which if it exists, will normally be an A ( for individuals ) or an H ( for non-individuals, e . g ., limited companies, trusts, etc . ) In some cases, this second letter may be a W, which was used for women-" W " from " wife " who married and automatically adopted the same number as their husband, though this practice stopped in 1999 chiefly due to equal rights concerns.
