A position on defense commonly in the defensive backfield. The strong safety plays in the middle of the field on the strong side of the formation, closer to the line of scrimmage than the free safety. The strong safety is more involved in stopping the run and guarding the tight end on passing plays. The strong safety tends to be the larger of the two safeties, and he must be a sure tackler with solid cover skills.
From Wikipedia, the free encyclopedia. A check digit is a form of redundancy check used for error detection on identification numbers, such as bank account numbers, which are used in an application where they will at least sometimes be input manually. It is analogous to a binary parity bit used to check for errors in computer-generated data.
Check Digit Definition - A check digit is a digit added to a string of numbers for error detection purposes. Normally, the check digit is computed... Check Digit Definition - A check digit is a digit added to a string of numbers for error detection purposes. Normally, the check digit is computed from the other digits in the string. A check digit helps digital systems detect changes when data is transferred from transmitter to receiver. The check digit is the decimal equivalent of the binary checksum used in binary systems.