Which of the following statements about a TPS is not true?

a$.$ TPS typically supply data to a firm's ESS.

b$.$ A TPS Sfailure for even a few hours can lead to a firm's demise.

c$.$ A payroll system is an example of a TPS$.$

d$.$ Tracking the flow of transactions within an organization is one of the principal purposes of a TPS$.$

e$.$ A TPS supports operational management.

Clear my choice

A field identified in a record as holding the unique identifier for a record is called the:

a$.$ key attribute.

b$.$ primary field.

c$.$ identifier key.

d$.$ unique ID$.$

e$.$ key field.