Which of the Following Best Describes ERP Systems

Which of the following best describes ERP systems?

A) Information systems that integrate all aspects of business.
B) Comprehensive systems for identifying and measuring changes in productivity.
C) Popular recruiting systems that help to maximize diversity in the workplace.
D) Training systems for employees that allow self-discovery and correction of weaknesses.
E) Control systems in which managers are made aware of all deviations from standards.