Actors Are People or External Systems That Are Elements of a Data

question 8

True/False

Actors are people or external systems that are elements of a data flow diagram DFD).

---

Definitions:

Present Value

Today's value of a future monetary amount or a string of cash flows, considering a specified rate of return.

Periodic Interest Rate

The interest rate charged or earned over a particular period of time, often monthly, quarterly, or annually, as opposed to the annual percentage rate (APR).

Annuity

A retirement funding product that assures fixed payments over time to the receiver, primarily aimed at providing a stable income for retirees.

Payment Interval

The regularity with which payments are dispensed, for instance, on a monthly, quarterly, or yearly basis.