Question

1. Prepare a context diagram and a Level 0 DFD for the following situation.

FYI – A context diagram is the highest-level DFD; a summary-level view of a system, showing the data ­processing system, its input(s) and output(s), and their sources and destinations – for a business process or activity.

FYI – Level 0 DFD (is called Level 0 ­because there are zero meaningful decimal points—1.0, 2.0, etc. or A, B, C) unlike Level 1 DFD (it has one meaningful decimal place— 1.1, 1.2, 1.3 then 2.1, 2.2, etc.).

Choose only one scenario…

1. Prepare and file a tax return with the tax owed to the Internal Revenue Service. Or
2. A customer pays an invoice with a check. Accounts receivable is updated to reflect the payment. The check is recorded and deposited into the bank Or
3. A bill of lading for ordered inventory is received from a vendor, recorded, checked against the appropriate purchase order, and filed.

Answer 1

Prepare a context diagram and a Level 0 DFD for the following situation.

Prepare and file a tax return with the tax owed to the Internal Revenue Service.