Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Verify and Validate
| Question | Answer |
|---|---|
| What is data verification? | The process of checking inputted data to ensure it matches the source document. |
| Why is data verification important? | It helps reduce errors during data entry. |
| What is a typographical error? | A typing mistake such as missing or extra characters. |
| What is a transposition error? | An error where two adjacent characters are swapped. |
| What is double entry verification? | Entering data twice and comparing both entries to ensure they match. |
| Why is double entry useful? | It confirms error-free input by comparing two data entries. |
| What is proofreading in data verification? | Manually reviewing entered data to find and fix errors. |
| Which is more reliable: proofreading or double entry? | Double entry. |
| What is data validation? | The process of checking if data is genuine and follows specific rules. |
| What does a range check do? | Ensures data falls within a set range of values. |
| Give an example of a range check. | Age field allows 18–65; entering 17 triggers an error. |
| What is a reasonableness check? | Checks if the data makes logical sense. |
| Give an example of a reasonableness check. | Entering “300” for a 50-seat bus is flagged as unreasonable. |
| What does a data type check verify? | That the input is of the correct data type (e.g., number or text). |
| Give an example of a data type check. | Entering “abc123” in a phone number field would be invalid. |
| What does a consistency check do? | Ensures data does not contradict related information. |
| Give an example of a consistency check. | If gender is “Female” and title is “Mr.” — flagged as inconsistent. |
| What is a presence check? | Checks if required fields are filled. |
| Give an example of a presence check. | Leaving the “Name” field blank in a form triggers an error. |
| What is a format check? | Ensures data follows a specific structure or pattern. |
| Give an example of a format check. | An email must be like “example@domain.com”; “example.com” is invalid. |
| What is a length check? | Ensures data has the required number of characters. |
| Give an example of a length check. | Password must be 8 characters; “pass12” (6 characters) fails. |
| What is the key difference between verification and validation? | Verification is done by humans; validation is done by computers. |
Created by:
Attasha
Popular Standardized Tests sets