Question:What is resticted-value test ? 

Checking the value of a field to be sure it is acceptable is editing input by means resticted-value test.

Question:What is error rutine ? 

Instructions thet are executed when an error is encountered during processing.

Question:What is input editing ? 

Input editing includes a variety of checks that are made in an attempt to prevent erroneous data from getting into computer files and reports.

Question:Define input editing. 

Input editing includes a variety of checks that are made in an attempt to prevent erroneous data from getting into computer files and reports.

Question:What is the module name? 

A module name is a short description of what the module dose. The identification of a module also encloudes a number.

Question:What are the  widely used different type of input editing techniques? 

1. Sequence checking: Sequence checking consists of comparing the key field(s) of the record read in with the key field(s) of the previous record.
2. Restricted-value test: Checking the value of a field to be sure it is acceptable is editing input by means of  a restricted-value test.
3. Miscellaneous other tests: Depending on the situation, any of a number of other tests may be performed on input data.

Question:What do we do if we find a sequence error or invalid data in a field? 

1. Display an error message and terminate processing immediately.
2. Display an error message and wait for the operator to take some corrective action.
3. Make a record of the error so that it can be corrected later; then continue processing, ignoring the erroneous record.

Question:Define sentinel value. 

The sentinel value is a predetermined value that is placed in a dummy record at the end of the file. The sentinel value is usually placed in the key field position in the dummy record.

Question:What do you mean by muster file? 

A muster file is retained indefinitly; its records contain information that must be used regularly, such as the amount of an item that is in inventory.

Question:Define batch processing. 

Batch processing refers to the processing in which data is accumulated over a period of time and then processed as a group, or batch.