Which One of the Following Functions Is NOT Performed by a Transaction

Multiple Choice

Which one of the following functions is NOT performed by a transaction processing system?

A) Edit all inputs to ensure that it is accurate and complete
B) Access files of basic information to edit and input transactions
C) Enable users to access strategic external information sources
D) Generates the necessary transactions to communicate to higher level systems in a summarised form
E) Has to be accurate at all times