Data flow modeling
1.

What is DFD stands for ?
A.  

Data Flowchart Diagram

 B.  

Data Flow Diagram

 C.  

Depict Flow Diagram

 D.  

Data Flow Depicts
2.

Which type of DFD concentrates on the system process, and flow of data in the system ?
A.  

Physical DFD

 B.  

Logical DFD

 C.  

Flowchart DFD

 D.  

System DFD
3.

How many levels of DFD is?
A.  

2

 B.  

3

 C.  

4

 D.  

5
4.

Which of the following is not a component in DFD ?
A.  

Entities

 B.  

Attributes

 C.  

Process

 D.  

Data Flow
5.

 HIPO model was developed by?
A.  

Microsoft

 B.  

AT&T Labs

 C.  

IBM

 D.  

Oracle
6.

What is level 2 in DFD means?
A.  

Highest abstraction level DFD is known as Level 2.

 B.  

Level 2 DFD depicts basic modules in the system and flow of data among various modules.

 C.  

Level 2 DFD shows how data flows inside the modules mentioned in Level 1.
 

 D.  

All of the above
7.

HIPO stand for ?
A.  

High Input Process Output

 B.  

High Input Provide Output

 C.  

Hierarchical Input Provide Output

 D.  

Hierarchical Input Process Output
8.

The context diagram is also known as _____________.
A.  

Level-0 DFD

 B.  

Level-1 DFD

 C.  

Level-2 DFD

 D.  

All of the above
9.

 A directed arc or line in DFD represents
A.  

Data Store

 B.  

Data Process

 C.  

Data Flow

 D.  

All of the above
10.

Which of the following is a function of CASE Tool ?
A.  

Supporting Structured analysis and design (SA/SD)

 B.  

Maintaining the data dictionary

 C.  

Checking whether DFDs are balanced or not

 D.  

None of the above