INV is displayed if the field no. contains invalid data.
This often happens in data entry forms after an error alert produced by invalid data.
Most fixed sized integer formats do not have any way of explicitly indicating invalid data.
Code injection is the exploitation of a computer bug that is caused by processing invalid data.
Because the value returned from a cache miss cannot be known ahead of time, it is possible for pre-processed instructions to be dependent upon invalid data.
Line (2) now accesses invalid data and writes to it!
EFIS, on the other hand, removes invalid data from the display and substitutes an appropriate warning.
Then, when the drive is not doing anything, it goes through its backlog of invalid data and cleans up those locations.
There is no data standardization verification done at the central repository thus invalid data is possible.
Data integrity often includes checks and correction for invalid data, based on a fixed schema or a predefined set of rules.