EXCEPTION INPUT--ERRORS  DATA VERIFICATION CONTROLS EDIT CHECKS--see – record layout question DATA TYPE-  alpha (A), numeric (N), combo (AN) VALID FIELD LENGTH-  # at the bottom of field VALID COMBINATION OF FIELDS-compare  the fields to each other (is the city in the state, is the zip in the state) LOGICAL RELATIONSHIPS-Greater Than, Less Than, =   COMPLETENESS CHECKS--CHECKS FOR BLANK SPACES OR FIELDS  SEQUENCE CHECKS OF TRANSACTION, DOCUMENT OR BATCH NUMBERS  REASONABLENESS CHECK OF NUMERIC the minimum balance should be reasonable to the current balance amount VALID CODE CHECK--VALID ACCOUNT NUMBER  OR CODE (LOOK UP VALUE IN A TABLE)  LIMIT TEST--TEST OF AMOUNTS test, –(range acceptable lower and higher limits e.g. gpa is between 0-4))  OVERFLOW TESTS--SIZE OF FIELD SIGN TEST--CHECKING APPROPRIATE SIGN --  OR NEGATIVE NUMBERS CHECK DIGIT-used  to catch transposition errors an algorithm or formula that is used with the customer number calculates the check digit—a transposed customer or account number produces an incorrect check digit FORMAT CHECK 
 EXCEPTION INPUT--ERRORS DATA VERIFICATION CONTROLS – EDIT CHECKS--see record layout question  DATA TYPE- alpha (A), numeric (N), combo (AN)  VALID FIELD LENGTH- # at the bottom of field  VALID COMBINATION OF FIELDS-compare the fields to each other (is the city in the state, is the zip in the state)  LOGICAL RELATIONSHIPS-Greater Than, Less Than, =  COMPLETENESS CHECKS--CHECKS FOR BLANK SPACES OR FIELDS  SEQUENCE CHECKS OF TRANSACTION, DOCUMENT OR BATCH NUMBERS  REASONABLENESS CHECK OF NUMERIC the minimum balance should be reasonable to the current balance amount  VALID CODE CHECK--VALID ACCOUNT NUMBER OR CODE (LOOK UP VALUE IN A TABLE)  LIMIT TEST--TEST OF AMOUNTS –(range test, acceptable lower and higher limits e.g. gpa is between 0-4))  OVERFLOW TESTS--SIZE OF FIELD  SIGN TEST--CHECKING APPROPRIATE SIGN OR NEGATIVE NUMBERS  CHECK DIGIT-used to catch transposition errors -- an algorithm or formula that is used with the customer number calculates the check digit—a transposed customer or account number produces an incorrect check digit  FORMAT CHECK