A(n) is a calculation (using encryption technologies) based on the contents of a disk or file. They are engineered so that even small changes in the source data will produce significantly different checksum results.

cyclic redundancy check number

Explanation:

A cyclic redundancy check number is a calculation (using encryption technologies) based on the contents of a disk or file. They are engineered so that even small changes in the source data will produce significantly different checksum results.

answer; i believe the correct answer is the player pushing down on the floor;

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