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A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. [1] [2] Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents. On retrieval, the calculation is ...
Using a 256-entry table is usually most convenient, but other sizes can be used. In small microcontrollers, using a 16-entry table to process four bits at a time gives a useful speed improvement while keeping the table small. On computers with ample storage, a 65 536-entry table can be used to process 16 bits at a time.
In running events up to 200 m in distance and in horizontal jump events, wind assistance is permitted only up to 2.0 m/s. In decathlon or heptathlon, average wind assistance of less than 2.0 m/s is required across all applicable disciplines; and maximum of 4.0 m/s in any one event. As an exception, according to rule 36.2, specific event ...
The following tables are an overview of all current national records in the marathon, as compiled by World Athletics [1] and other authoritative sources of road racing statistics. [ 2 ] [ 3 ] [ 4 ] Background
Leadville Trail Marathon: This is a 26.2-mile (42.2 km) marathon through the mining districts east of Leadville, is held in June each year. The midpoint of the course is at Mosquito Pass, with an altitude of 13,185 feet (4,019 m). In 2006, a "heavy" half marathon event of 15 miles was added, which is run on the same day and also goes to the top ...
For a performance to be ratified as a world record by World Athletics, the marathon course on which the performance occurred must be 42.195 km (26.219 mi) long, [34] measured in a defined manner using the calibrated bicycle method [35] (the distance in kilometers being the official distance; the distance in miles is an approximation) and meet other criteria that rule out artificially fast ...
There are few games as well known and widely played — or feared — as truth or dare on game night.Yet, no matter how much fun it is, there’s always that moment when it’s your turn to choose ...
Since 1990, the Boston Marathon has been ineligible for world records, as the start and finish are too far away from each other, and the race is a net downhill. [13] In 2011, Geoffrey Mutai won the race in 2:03:02, which was the world's fastest time for the marathon, beating the official world record by 57 seconds.