(a) Identify eight data entry controls that an organisation might use to ensure the integrity

of its data processing system. You should name and describe each control.

(b) Identify eight systems availability controls that an organisation might use to ensure the

integrity of its data processing system.

(c) Why are data entry and systems availability controls important to the effective operation of a data processing system? You should provide one example of how a failure in either of these controls might cause difficulties for a business.