2.1 Multiple Choice
1) Which of these is most closely associated with system control?
A) boundary
B) environment
C) feedback
D) interface
2) The elements that make up an organizational system are called ________.
A) entities
B) events
C) factors
D) relationships
3) Which of the following symbols is not used on the context level data flow diagram?
A) rectangle with rounded corners
B) triangle
C) arrow
D) shaded corner square
4) The context level data flow diagram depicts:
A) the boundaries of a system.
B) detailed processes that transform the incoming data to information.
C) the system entities and how they are related.
D) computer programs and their files.
5) An external entity may be:
A) a person.
B) another department.
C) another computer system.
D) All of the above.
6) Which of these is used to depict a relationship in an entity relationship diagram?
A) triangle
B) square
C) crow’s foot line
D) rectangle
7) An organization with many employees and many cubicles with each employee having a unique phone extension is said to be a ________ relationship.
A) 1:1
B) 1:M
C) M:1
D) M:N
8) A crow’s foot notation indicates:
A) none of the other entity.
B) one of the other entity.
C) an attributive entity.
D) many of the other entity.
9) An entity that describes attributes such as repeating groups is called:
A) a fundamental entity.
B) an associative entity.
C) an attributive entity.
D) an external entity.
10) An entity that joins two other entities is called:
A) a fundamental entity.
B) an associative entity.
C) an attributive entity.
D) a linking entity.
11) A many-to-many relationship is replaced with ________ to form two one-to-many relationships.
A) a fundamental entity
B) an associative entity
C) an attributive entity
D) a bipolar entity
12) Which level of management makes decisions using predetermined rules that have predictable outcomes?
A) operations
B) middle
C) strategic
D) None are interested in detailed information.