👉 In computer science, a checksum is a unique value that is added to an input data to verify its integrity. It helps in detecting errors or anomalies in the data. For instance, if you have a file where each line contains a number and you want to ensure that no two lines contain the same number, you can use a checksum function to calculate a checksum for each line. This checksum will be unique to that line, making it easier to detect any changes or errors in the data. In computer