Solved MCQs on System Development Tools set-1

1) Which of the following shows levels of management and formal lines of authority?
A. Organization chart
B. decision table
C. pyramid diagram
D. grid chart

2) External entities may be a
A. source of input data only
B. source of input data or destination of results
C. destination of results only
D. repository of data

3) Advantages of system flowcharts.....
A. Effective communication
B. Effective analysis
C. Queasier group or relationships
D. All of the above

4) A list of questions used in analysis is called a(n)
A. organization chart
B. interview guideline
C. grid table
D. checklist

5) By an external entity we mean a
A. Unit outside the system being designed which can be controlled by an analyst.
B. Unit outside the system whose behavior is independent of the system being designed
C. A unit external to the system being designed
D. A unit which is not part of a DFD

6) A context diagram is used
A. as the first step in developing a detailed DFD of a system
B. in systems analysis of very complex systems
C. as an aid to system design
D. as an aid to programmer

7) What type of analysis starts with the "big picture" and then breaks it down into smaller pieces?
A. financial
B. reverse
C. top-down
D. executive

8) A data flow can
A. Only a data store
B. Only leave a data store
C. Enter or leave a data store
D. Either enter or leave a data store but not both

9) DDS stands for
A. Data Data Systems
B. Data Digital System
C. Data Dictionary Systems
D. Digital Data Service

10) Which of the following is used to show the rules that apply to a decision when one or more conditions apply?
A. system flowchart
B. decision table
C. grid chart
D. checklist

11) Data cannot flow between two data stores because
A. it is not allowed in DFD
B. a data store is a passive repository of data
C. data can get corrupted
D. they will get merged

12) A DFD is normally leveled as
A. It is a good idea in design
B. It is recommended by many experts
C. It is easy to do it
D. It is easier to read and understand a number of smaller DFDs than one large DFD

13) Which of the following tools shows the data or information flow within an information system?
A. grid chart
B. decision table
C. system flowchart
D. data flow diagram

14) .......... gives defining the flow of the data through and organization or a company or series of tasks that may or may not represent computerized processing
A. System process
B. System flowchart
C. System design
D. Structured System

15) ....... is a tabular method for describing the logic of the decisions to be taken.
A. Decision tables
B. Decision tree
C. Decision Method
D. Decision Data

16) Which of the following is not found on a data flow diagram?
A. entities
B. process
C. offline storage
D. file

17) A context diagram
A. Describes the context of a system
B. is a DFD which gives an overview of the system
C. is a detailed description of a system
D. is not used in drawing a detailed DFD

18) CASE stands for
A. Computer analysis and system engineering
B. Computer aided software engineering
C. Computer aided system engineering
D. Computer analyzed system engineering

19) A rectangle in a DFD represents
A. a process
B. a data store
C. an external entity
D. an input unit

20) HIPO stands for
A. Hierarchy input process output
B. Hierarchy input plus output
C. Hierarchy plus input process output
D. Hierarchy input output process



Answers

1) A. Organization chart
2) B. source of input data or destination of results
3) D. All of the above
4) D. checklist
5) C. A unit external to the system being designed
6) A. as the first step in developing a detailed DFD of a system
7) C. top-down
8) C. Enter or leave a data store
9) C. Data Dictionary Systems
10) B. decision table
11) D. they will get merged
12) D. It is easier to read and understand a number of smaller DFDs than one large DFD
13) D. data flow diagram
14) B. System flowchart
15) A. Decision tables
16) C. offline storage
17) B. is a DFD which gives an overview of the system
18) B. Computer aided software engineering
19) C. an external entity
20) A. Hierarchy input process output