Question 1

Differences between data flow diagrams and system flowcharts include:

Accepted Answer

A)   Both are used to document aspects of an information system.
B)   System flowcharts emphasize the logical flow of information throughout a system; whereas data flow diagrams represent the physical flow of information throughout a system.
C)   System flowcharts depict the organizational units responsible for various information processes; data flow diagrams do not.
D)   Circles are used to represent processes in system flowcharts, whereas in a data flow diagram a process may be represented by a rectangle, a trapezoid, or a square.
E)   All of the above are differences between data flow diagrams and system flowcharts. C

Question 2

Online processing

Accepted Answer

A)   Is the same thing as real-time processing
B)   Updates master files after a group of transaction data is collected
C)   Updates master files as transaction data is entered
D)   Updates master files during an information customer's report generation request
E)   None of the above C

Question 3

Which of the following is not an accurately stated convention for displaying documents on a system flowchart?

Accepted Answer

A)   Diagram a document before and after a process is performed on the document.
B)   After a document is altered, change its name to indicate its current status
C)   Show a document on entering a page or prior to leaving a page.
D)   Show a document when entering a temporary file, but not when leaving the file.
E)   Place areas of responsibility with the most frequent interchange adjacent to each other to avoid long arrows. D

Question 4

Unlike data flow diagrams, which represent the physical components of an information system, system flowcharts can provide a more conceptual, non-physical display of the movement of data through a system.

Accepted Answer

A) True 
 B)False

Question 5

A nonprocessed document on a system flowchart is represented as .

Accepted Answer

A) True 
 B)False

Question 6

Sequential storage implies that records are stored one after another in some order (e.g. by account number or alphabetically).

Accepted Answer

A) True 
 B)False

Question 7

In a data flow diagram, an invoice that was sent to a customer is represented as a

Accepted Answer

A)   Data source
B)   Data sink
C)   Data store
D)   Data flow
E)   Document symbol

Question 8

Draw a flowchart segment to represent data on source documents being keyed to a disk.

Accepted Answer

The answer of Draw a flowchart segment to represent data...

Question 9

Which of the following types of records would be contained in a suspense file?

Accepted Answer

A)   Records identified as incomplete or erroneous and which need correction and reentry for processing
B)   Complete and correct activity data used to update the master files
C)   Inactive past or historical data
D)   Information about such things as vendors, credit customers, or inventory
E)   Referential data such as tax rate schedules

Question 10

A general rule in data flow diagramming is that any single data flow diagram should not have more than about eleven processes.

Accepted Answer

A) True 
 B)False

Question 11

Draw a flowchart segment to represent the computerized updating of a customer master file that is stored on magnetic tape with data from a cash receipts transactions file that is also on magnetic tape. Draw this segment assuming that the cash receipts transaction file tape has already been sorted into customer number order.

Accepted Answer

The answer of Draw a flowchart segment to represent the...

Question 12

Transaction files

Accepted Answer

A)   Contain balance data or the status of an entity at a point in time
B)   Contain activity data
C)   Contain business reference data such as a listing of the chart of accounts
D)   Are awaiting some action to complete their processing
E)   Contain inactive past or historical data about the status of an entity

Question 13

Areas of responsibility are typically standardized across flowcharts for various organizations.

Accepted Answer

A) True 
 B)False

Question 14

Draw a flowchart segment to represent a payables clerk comparing copies 1 and 2 of a receiving report to the pertinent supplier's invoice. Any discrepancies are noted on a report as part of this comparison process.

Accepted Answer

The answer of Draw a flowchart segment to represent a...

Question 15

Matching
-Which symbol represents "manual process"?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F)  G)  H)

Question 16

Draw a data flow diagram segment to represent magnetic tape input being used to update a master file stored on disk.

Accepted Answer

The answer of Draw a data flow diagram segment to...

Question 17

Each copy of a document must flow to a symbol denoting an exit from the system.

Accepted Answer

A) True 
 B)False

Question 18

What type of processing can be used for tape storage mediums, and why?

Accepted Answer

The answer of What type of processing can be used...

Question 19

The following partial system flowchart segment could be interpreted as

Accepted Answer

A)   A master file stored on magnetic disk is used to determine errors that exist on a transaction file stored on magnetic tape.
B)   A set of sales invoices is posted to a manual accounts receivable subsidiary ledger.
C)   A transaction file stored on magnetic tape is used to update a master file which is also stored on magnetic tape.
D)   Two transaction files stored on two separate magnetic tapes are used to update a single master file that is also stored on magnetic tape.
E)   A master file stored on magnetic tape is used to update two transaction files also stored on magnetic tape.

Question 20

A master file

Accepted Answer

A)   Contains mostly static information about an object, such as its balance
B)   Contains only transaction details
C)   Contains inactive past or historical data
D)   Contains records identified as incomplete or erroneous pending further action
E)   Contains records such as tax tables which are used for reference purposes

Exam 5: Task Level Modeling

Differences between data flow diagrams and system flowcharts include:

Online processing

Which of the following is not an accurately stated convention for displaying documents on a system flowchart?

Unlike data flow diagrams, which represent the physical components of an information system, system flowcharts can provide a more conceptual, non-physical display of the movement of data through a system.

A nonprocessed document on a system flowchart is represented as .

Sequential storage implies that records are stored one after another in some order (e.g. by account number or alphabetically).

In a data flow diagram, an invoice that was sent to a customer is represented as a

Draw a flowchart segment to represent data on source documents being keyed to a disk.

Which of the following types of records would be contained in a suspense file?

A general rule in data flow diagramming is that any single data flow diagram should not have more than about eleven processes.

Transaction files

Areas of responsibility are typically standardized across flowcharts for various organizations.

Draw a flowchart segment to represent a payables clerk comparing copies 1 and 2 of a receiving report to the pertinent supplier's invoice. Any discrepancies are noted on a report as part of this comparison process.

Matching -Which symbol represents "manual process"?

Draw a data flow diagram segment to represent magnetic tape input being used to update a master file stored on disk.

Each copy of a document must flow to a symbol denoting an exit from the system.

What type of processing can be used for tape storage mediums, and why?

The following partial system flowchart segment could be interpreted as

A master file