FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Data verification is a way of ensuring the user types in what he or she intends, in other words, to make sure the user does not make a mistake when inputting data. An example of this includes double entry of data (such as when creating a password or email) to prevent incorrect data input.

Detailed explanation-2: -Double entry – This refers to inputting the data twice and comparing the two entries. A classic example would be when creating a new password. You are often asked to enter the password twice. This lets the computer verify that data entry is exactly the same for both instances, and that no error has been committed.

Detailed explanation-3: -Entry Verification The most common input form of input verification is used in password creation. Whenever you enter a password on website when signing up for an account you are usually asked to enter your intended password twice in order to check that you have entered the same password twice.

Detailed explanation-4: -Data verification is the process of checking data for accuracy after a data migration. There are different types of verification: Full verification, where all of the data is checked. Sampling verification, where a small sample of the data is checked.