Author Question: A black hole is a process that: A) has only inputs. B) has only outputs. C) has not been ... (Read 111 times)

acc299 · **on:** Jul 7, 2018

A black hole is a process that:

A) has only inputs.
B) has only outputs.
C) has not been exploded to show enough detail.
D) has insufficient inputs to produce the associated processes.
E) generates output directly to a sink.

Question 2

A single occurrence of an entity type defines:

A) entity instance.
B) entity appearance.
C) attribute.
D) data element.
E) multivalued attribute.

ttt030911 · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

A
Explanation: A) No process can have only inputs (a black hole). If an object has only inputs, then it must be a sink.
CL

Answer to Question 2

A
Explanation: A) For instance, your specific information (LastName, FirstName) would be an example of an entity instance.
CL