Draw level 1 DFD of the given scenario. Mention your brain storming as well before the drawing. A web based software for an online book store is to be developed when a valid customer logon to the site a list of available books is displayed. When the customer selects the required book a form will be displayed that will take input the credit card number and other necessary information of the user. After submission of the form by the customer the validity of the credit card is ensured by a banking system (external to the system). The valid orders are passed to the shipment department and an email is sent to the customer that his order is being shipped.

Draw level 1 DFD of the given scenario. Mention your brain storming as well before the drawing. A web based software for an online book store is to be developed when a valid customer logon to the site a list of available books is displayed. When the customer selects the required book a form will be displayed that will take input the credit card number and other necessary information of the user. After submission of the form by the customer the validity of the credit card is ensured by a banking system (external to the system). The valid orders are passed to the shipment department and an email is sent to the customer that his order is being shipped.

Programming with Microsoft Visual Basic 2017

8th Edition

ISBN:9781337102124

Author:Diane Zak

Publisher:Diane Zak

Chapter2: Planning Applications And Designing Interfaces

Section: Chapter Questions

Problem 7E

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A control's visibility on a form, like the visibility of other controls' attributes, is determined at runtime by an attribute. This has an impact, similar to that of other controls with similar qualities.
At runtime, the visibility of a control on a form is determined, similar to how visibility is determined for other controls, by an attribute associated with the control.
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