REQUIREMENTS ENGINEERING
REQUIREMENTS VALIDATION AND VERIFICATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
To make sure the data entered is sensible.
|
|
|
To make sure that only the correct options are selected.
|
|
|
To make sure that all numbers are in correct length.
|
|
|
To make sure that data is entered where required.
|
Detailed explanation-1: -A range check will verify whether input data falls within a predefined range. For example, latitude and longitude are commonly used in geographic data. A latitude value should be between-90 and 90, while a longitude value must be between-180 and 180. Any values out of this range are invalid.
Detailed explanation-2: -Validation is an automatic computer check to ensure that the data entered is sensible and reasonable.
Detailed explanation-3: -Range Check – Range check is a validation check which can be applied to numeric fields. This is done to ensure that only numbers within a certain domain can be entered into a field. Remember that this does not necessarily mean that the data entered will be correct. But it will certainly lie within reasonable limits.
Detailed explanation-4: -Verification is checking to make sure that data has been entered correctly. Verification is often carried out by getting two users to enter the same set of data at different computers. Once both users have entered the data the two sets of data are compared to check that they match up. More items