When developing a logical data flow diagram, a rectangle (or open rectangle) indicates:
A) data at rest.
B) data in motion.
C) an element in the environment of the system that sends or receives data.
D) a process component.
Question 2
When developing a logical data flow diagram, a circle indicates:
A) an element in the environment of the system that sends or receives data.
B) data in motion.
C) data at rest.
D) a process component.