Database systems require a more elaborate backup procedure than other systems. A database system for online entry would require almost continuous backup if data loss is to be minimized as transactions are processed on a continuous basis, and without tangible source documentation. Backup procedures that could be employed for online order entry include dual logging and rollback and recovery.

The number of insurance claims processed per day is a typical measure used in a balanced scorecard. It relates to the critical success factor of productivity. This factor is based on an input-output efficiency) relationship. An organizational structure is efficient if it facilitates the accomplishment of organizational objectives with minimum resources and fewest unsought consequences. An efficient organizational structure maximizes output for a given amount of input. Thus, an efficiency measure compares input with output. Insurance claims processed per day relates output claims processed) to input a day's work).

Statistical process (quality) control is not used to control large scale projects. Statistical quality control is a method of determining whether the shipment or production run of units lies within acceptable limits. It is also used to determine whether production processes are out of control.

A LAN is a local distributed computer system, often housed within a single building. Computers, communication devices, and other equipment are linked by dedicated channels. Special software facilitates efficient data communication among the hardware devices.