Managing Information Technology

350 Part III • Acquiring Information Systems

InvoiceNumber VendorID

Contact Name

Contact Title

Vendor Phone

Vendor Fax

PONumber Vendor Name

PayablesStatus

InvoiceDate

Shipped Via

Shipping Cost

NEW

NEW

REMOVE

Click NEW button to add a new Detail, Click in Detail and REMOVE button to delete Detail SUBMIT FORM

CLEAR FORM

St/Province

City

Postal Code

Country

E-Mail

* Address

*

*

mm/dd/yyyy

Shipped To

Vendor Invoice Form * Indicates Required Field For existing Invoice, enter InvoiceNumber

For existing Vendor, enter VendorID

NEW

InvoiceDetailID *ItemNumber * Quantity * PricePerUnit PaymentTerms Discount

FIGURE 8.18 Vendor Invoice Maintenance Form

Check Register

Account Number 2936

482441

482442

482443

482444

482445

482446

482447

482448

8/3/10

8/3/10

8/3/10

8/3/10

8/4/10

8/4/10

8/4/10

8/4/10

C1523

1398752

E17982

175632

R1689

M568930

897532

C1527

A00702

C00321

E00052

C00323

B00824

B00825

A00704

D00376

7/20/10

7/24/10

7/23/10

7/24/10

7/27/10

7/28/10

7/28/10

7/30/10

TOTAL

TOTAL

178

52

104

89

13

97

152

178

1,925.50

408.92

1,500.00

10,328.72

14,163.14

505.17

12,327.18

765.15

1,534.83

15,132.33

29,295.47

CheckNumber CheckDate InvoiceNumber VendorID PONumber InvoiceDate InvoiceAmount PaidAmount

1,925.50

408.92

1,200.00

10,328.72

13,863.14

505.17

11,094.46

765.15

1,534.83

13,899.61

MONTHLY TOTAL 27,762.75

FIGURE 8.19 Check Register Report Layout with Sample Data

layouts. In the Logical To-Be modeling, the need for an
interface, as well as its frequency of use and information
content, was identified. In the Physical To-Be modeling,
the specific interface design is addressed.
Figures 8.18 and 8.19 show draft layouts for an input
screen and a report for the accounts payable system.
Layouts such as these are often developed in close consul-
tation between systems designers and the end users who
will be directly working with a computer display. Today’s

system building tools allow for easy prototyping of such

interfaces by end users before the system itself is actually

built. Systems today are also frequently built with some

flexibility, so that the user can directly control design

options for reports and data entry forms in order to adapt to

changing needs of the business or the user of the report.

You have now considered some of the techniques

used to capture system needs, document business rules,

and uncover hidden dependencies and relationships as part