21. All of the following would be considered a master file except:

A. A file of indvidual records with data about purchases of inventory on credit during a month

B. A file of indvidual records with data about employees, their addresses, pay rates, withholding data, etc.

C. A file of individual records with data about accounts receivable balances of customers

D. A file of individual records with data about vendors, their addresses, pay rates, withholding data, etc.

26. Which of the following transaction processing modes provides the most timely, accurate and complete information for decision making in mission-critical areas?

A. Online, real-time

B. Application

C. Distributed

D. Batch