Information Systems MCQs with Answers
Practice important Information Systems MCQs with answers and explanations.
Multiple Choice Questions
Q431: The purpose of data flow diagrams is to provide what?
- A: A graphical representation of data flow
- B: Complex understanding of data flow
- C: Focus only on programming
- D: None of the above
View Answer
A
Q432: Which of the following symbols indicates the end of a process?
- A: Arrow
- B: Decision symbol
- C: Terminator symbol
- D: Process symbol
View Answer
C
Q433: What should be avoided in Data Flow Diagrams?
- A: Black holes, gray holes, miracles
- B: Unlabeled processes
- C: Unassociated data flows
- D: All of the above
View Answer
D
Q434: In a DFD, data flows cannot exist without a _______.
- A: process
- B: function
- C: diagram
- D: none of the above
View Answer
B
Q435: A black hole in a DFD refers to a process that has _______.
- A: only inputs
- B: only outputs
- C: both inputs and outputs
- D: neither inputs nor outputs
View Answer
A
Q436: Which of the following is NOT a violation of DFD rules?
- A: Unlabeled items
- B: Processes without outputs
- C: Processes without inputs
- D: Processes with sufficient inputs
View Answer
C
Q437: In an Entity Relationship Diagram (ERD), what does "HIRES" indicate?
- A: A relationship between entities
- B: An attribute of an entity
- C: A data flow
- D: None of the above
View Answer
A
Q438: How many employees must a company hire according to the ERD?
- A: At least one
- B: At least two
- C: At least three
- D: No requirement
View Answer
A
Q439: An employee can be assigned to how many departments at a time?
- A: One
- B: Two
- C: Multiple
- D: None
View Answer
A
Q440: At least one employee must work on a _______.
- A: project
- B: department
- C: entity
- D: log
View Answer
C