Data Integrity Processing Control

What is the primary purpose of input controls in a sales transaction system?

• • To increase sales volume

• • To ensure data accuracy and validity

• • To reduce processing time

• • To enhance user experience

Which of the following is NOT a type of validity check mentioned in the document?

• Field check

• Sign check

• Range check

• Format check

What does a completeness check verify in the input controls?

• • That all fields are filled out

• • That the data is in the correct format

• • That the transaction is within the credit limit

• • That the sales price is reasonable

In processing controls, what happens if a sale exceeds a customer's credit limit?

• • The sale is automatically approved

• • The transaction is temporarily set aside for review

• • The system generates an error report

• • The customer is notified immediately

1. Which of the following is a method used to verify the accuracy of data transmission?

• • Batch processing

• • Data matching

• • Parity checking

• • User review of output

1. What is the purpose of a trailer record in file processing?

• • To store user information

• • To contain batch totals calculated during input

• • To list all transactions processed

• • To provide a summary of errors

1. Which control mechanism protects against simultaneous updates to the same record?

• • Data matching

• • Write-protection mechanisms

• • Concurrent update controls

• • Cross-footing tests

1. What is a cross-footing balance test used for?

• • To verify the accuracy of data entry

• • To compare totals calculated in different ways

• • To check for duplicate records

• • To ensure data is properly formatted

1. Which of the following is an example of an output control?

• • Validity checks during data entry

• • User review of system output

• • Range checks on sales prices

• • Completeness checks on input data

1. What is the function of a check digit in data entry controls?

• • To verify the total number of records

• • To ensure the accuracy of ID numbers

• • To calculate batch totals

• • To confirm the format of data