Data Validation & Verification Flashcards
1
Q
What is data validation?
A
The process of checking data before it is entered into a system to ensure it is correct.
2
Q
Name three types of data validation.
A
Presence check, format check, range check.
3
Q
What is data verification?
A
A process that ensures entered data matches the original data to prevent errors.
4
Q
What is a parity check?
A
A method of error detection where an extra bit is added to ensure correct data transmission.
