Question 1

In the data flow diagram of the customer payment process,"update receivables" will appear in
A)a square.
B)a circle.
C)two horizontal lines.
D)none of the above

Accepted Answer

"Update Receivables" is a logical process that involves calculations, therefore it falls under a circle symbol in a data flow diagram. The circle represents a process that performs calculations or transforms input data into output data. The square symbol, on the other hand, represents data stores, while the two horizontal lines represent data flows.

Question 2

The storage of data on a DFD is shown by
A)circles.
B)arrows.
C)squares.
D)two horizontal lines.

Accepted Answer

In a Data Flow Diagram (DFD), data storage is represented by two horizontal lines, which symbolize a data store.

Question 3

Data flows between two symbols on a DFD have more than one data item.More than one arrow is needed if
A)data elements always flow together.
B)data elements flow at different times.
C)data elements flow to different locations.
D)there is no guideline on use of single or multiple arrows.

Accepted Answer

When data flows between two symbols on a DFD and have more than one data item, more than one arrow is needed if the data elements flow at different times. This is because multiple arrows indicate the sequential order of the data flow. If the data elements always flow together, a single arrow can be used. If the data elements flow to different locations, multiple arrows with different destinations should be used. There is no guideline for the use of single or multiple arrows, so it is up to the analyst to determine the most appropriate method based on the specific context of the DFD.

Question 4

In a payroll processing DFD,the "prepare reports" activity will be represented by __________,the "employee payroll file" will be represented by __________,and the "bank" will be represented by __________.
A)a circle; two horizontal lines; a square
B)a circle; two horizontal lines; two horizontal lines
C)a rectangle; a square; a circle
D)a square; two horizontal lines; a circle

Accepted Answer

In a Data Flow Diagram (DFD), processes like "prepare reports" are represented by circles, data stores like "employee payroll file" are represented by two horizontal lines, and external entities like "bank" are represented by squares.

Question 5

An analytical technique that uses standard symbols to graphically represent an information system in a clear,concise,and logical manner is called a
A)data flow diagram.
B)flowchart.
C)schema.
D)narrative.

Accepted Answer

A flowchart is a graphical representation using standard symbols to depict the flow and processes within an information system.

Question 6

In general,a data destination will be shown by
A)an arrow pointing away.
B)an arrow pointing in.
C)arrows pointing both ways.
D)no arrows,only two horizontal lines.

Accepted Answer

A data destination represents where data is being inputted into the system, therefore an arrow pointing inwards is the most appropriate symbol.

Question 7

In the data flow diagram of the customer payment process,"Customer" will appear in
A)a square.
B)a circle.
C)two horizontal lines.
D)none of the above

Accepted Answer

In a data flow diagram, external entities like "Customer" are represented by a square.

Question 8

The transformation of data in a DFD is represented as a
A)process.
B)data dictionary.
C)data stores.
D)data source and destination.

Accepted Answer

The transformation of data in a data flow diagram (DFD) is represented as a process. Processes represent the transformations or actions that are performed on the data as it moves through the system. Processes in a DFD can be manual or automated and can occur in a variety of forms such as calculations, sorting, merging, splitting, or updating data. Therefore, option A is the best choice to represent the transformation of data in a DFD.

Question 9

Flowcharts are created using a standard set of symbols.These symbols can be divided into four basic categories.A square denotes an auxiliary operation and is found in which flowchart symbol category?
A)input/output
B)processing
C)storage
D)flow and maintenance

Accepted Answer

The square symbol represents a processing operation in a flowchart. The other categories are input/output, storage, and flow and maintenance.

Question 10

How should control processes and control actions be represented in a data flow diagram?
A)using a square to represent a data source and destination
B)using a circle to represent a transformation process
C)using two horizontal lines to represent a data store
D)control processes and actions should be ignored in a DFD

Accepted Answer

Control processes and actions are typically not represented in a data flow diagram (DFD) as DFDs focus on the flow of data within a system rather than control logic.

Question 11

The term used to refine a high-level or summary view data flow diagram into successively lower levels to provide greater amounts of detail is
A)expand.
B)explode.
C)implode.
D)enlarge.

Accepted Answer

Exploding a data flow diagram involves breaking down a high-level view into successively lower levels to provide greater amounts of detail.

Question 12

Creating a DFD is an iterative process.Each DFD iteration helps the designer to refine the diagram and identify the fine points.A DFD created at a high-level or summary view is referred to as a
A)data process diagram.
B)data dictionary diagram.
C)content diagram.
D)context diagram.

Accepted Answer

A DFD created at a high-level or summary view is referred to as a context diagram. Option A, data process diagram, is not a correct term for a high-level DFD. Option B, data dictionary diagram, refers to the data dictionary, which is a separate artifact from the DFD. Option C, content diagram, is not a common term in the context of DFDs.

Question 13

In creating DFDs,a context diagram
A)Includes major transformation processes.
B)Depicts systems boundaries.
C)Is not necessary.
D)Is very detailed.

Accepted Answer

A context diagram is used to depict the system boundaries, i.e., what is included within the scope of the DFD and what is outside of it. It does not include any major transformation processes or detailed information about the system. It provides a high-level overview of the system's context and its environment.

Question 14

Most processes on a DFD can be identified by
A)data in-flows only.
B)data out-flows only.
C)data flows both into or out of a process.
D)always being followed by a data store.

Accepted Answer

Processes on a DFD can involve both data input and output, making data flows in and out of the process. Option A and B are incorrect as they only consider one type of flow. Option D is also incorrect as a process may not always be followed by a data store.

Question 15

What should be the first thing the creator of a flowchart does before beginning a flowchart?
A)understand the system to be flowcharted
B)identify the entries to be flowcharted
C)design the flowchart so that it proceeds from left to right and top to bottom
D)use standard flowcharting symbols

Accepted Answer

Before beginning a flowchart, the creator must understand the system or process they are trying to flowchart. Without a complete understanding of the system, it would be difficult to accurately represent it in a flowchart.

Question 16

A data flow diagram (or DFD)has four basic elements.The people and organizations that send data to and receive data from the system are known as
A)data sources and destinations.
B)data flows.
C)transformation processes.
D)data stores.

Accepted Answer

Data sources and destinations are the people and organizations that send data to and receive data from the system. The other elements of a data flow diagram are data flows, transformation processes, and data stores. Therefore, choice A is the best choice.

Question 17

In the data flow diagram of the customer payment process,"Customer payment" will appear above or in
A)a square.
B)a circle.
C)two horizontal lines.
D)an arrow.

Accepted Answer

The answer of In the data flow diagram of the...

Question 18

Which is a true statement regarding the document flowchart?
A)It illustrates the sequence of logical operations performed by a computer.
B)It is particularly useful in analyzing the adequacy of internal control procedures.
C)It should ignore control processes and actions.
D)It is not normally used in the systems design process.
Use the chart below to answer the following questions regarding flow chart symbols.

Accepted Answer

The answer of Which is a true statement regarding the...

Question 19

When designing either a DFD or a flowchart,a good rule to follow is
A)to proceed from left to right.
B)to proceed from top to bottom.
C)to proceed from left to right and top to bottom.
D)to identify exception procedures by using a rectangle.

Accepted Answer

Proceeding from left to right and top to bottom is the best choice when designing a DFD or a flowchart. This allows for a logical and structured flow that makes it easier to understand the process being illustrated. However, identifying exception procedures using a rectangle is also a good practice but is not the primary rule to follow when designing DFDs or flowcharts.

Question 20

Which is a true statement regarding the use of the manual processing symbol in a flowchart?
A)If a document is moved from one column to another,show the document only in the last column.
B)Each manual processing symbol should have an input and an output.
C)Do not connect two documents when moving from one column to another.
D)Each manual processing symbol should have an off-page connector.

Accepted Answer

Each manual processing symbol in a flowchart should have an input and an output to indicate the flow of data or documents through the manual process.

Quiz 3: Systems Development and Documentation Techniques

In the data flow diagram of the customer payment process,"update receivables" will appear in

The storage of data on a DFD is shown by

Data flows between two symbols on a DFD have more than one data item.More than one arrow is needed if

In a payroll processing DFD,the "prepare reports" activity will be represented by ,the "employee payroll file" will be represented by ,and the "bank" will be represented by __.

An analytical technique that uses standard symbols to graphically represent an information system in a clear,concise,and logical manner is called a

In general,a data destination will be shown by

In the data flow diagram of the customer payment process,"Customer" will appear in

The transformation of data in a DFD is represented as a

Flowcharts are created using a standard set of symbols.These symbols can be divided into four basic categories.A square denotes an auxiliary operation and is found in which flowchart symbol category?

How should control processes and control actions be represented in a data flow diagram?

The term used to refine a high-level or summary view data flow diagram into successively lower levels to provide greater amounts of detail is

Creating a DFD is an iterative process.Each DFD iteration helps the designer to refine the diagram and identify the fine points.A DFD created at a high-level or summary view is referred to as a

In creating DFDs,a context diagram

Most processes on a DFD can be identified by

What should be the first thing the creator of a flowchart does before beginning a flowchart?

A data flow diagram (or DFD) has four basic elements.The people and organizations that send data to and receive data from the system are known as

In the data flow diagram of the customer payment process,"Customer payment" will appear above or in

Which is a true statement regarding the document flowchart?

When designing either a DFD or a flowchart,a good rule to follow is

Which is a true statement regarding the use of the manual processing symbol in a flowchart?