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DATA FLOW DIAGRAM FOR

 

Explanation of Components of Proposed System

Level 1

ENTITIES INVOLVED IN THE PROPOSED SYSTEM (LEVEL 1)

Stock – Sends order information and receives the delivery note, keep up-to-date inventory status and creates report.

Supplier – Supplies the ordered items to the company, sends a catalog and the delivery note, and receives payments.

Sales – This entity performs the sales of an item and receives the order information to be sent to accounting.

Customer –Request item information and receives reply.

Management – Gives authorization for ordering items and receives reports.

Accounts – Makes payment to supplier and employee, creates reports such as sales, damaged goods.

Employee – This entity is the one that performs work duties such as sales.

PROCESSES ENTITIES INVOLVED IN THE PROPOSED SYSTEM (LEVEL 1)

Delivery Process – This process delivers the ordered goods to the company.

Item Info Process – This process gives the customer the item information e.g. items that
are available, type, prices, discounts etc

Stock Process – This process receives stock information and orders the necessary stock.

Order Process – This process accepts the customer order information, which is then sent to sales.

Sales Process – This is the process that deals with when a customer is purchasing an

item(s). It accepts the order information from.

Accounting Process – This are all the processes that the accountant engages in e.g. . payments.

Employee Info Process – This process inputs the employee's personal and business Information.

Payments Info Process – This process gives information for payments that are to be made.

DATA FLOWS THE PROPOSED SYSTEM (LEVEL 1)

Delivery Note Information – This is a receipt that the company receives from the
warehouse with the information about their order.

Order Information – Information about the orders made such as item, price, amount etc.

Stock Information – Information about available stock and those that needs ordering.

Customer Information – Personal information such as, name, address, phone, etc.

Sales Information – This is information about sales made such as item, amount sold, price.

Sales Report – This report is done to show the sales that are carried out.

Employee Info – Information about employee's.

Payment Info - All payment information that are to be made.

Payment – Payment to individuals; supplier and employee's.

 

FILES STORED IN THE PROPOSED SYSTEM (LEVEL 1)

Delivery Info – This files stores the delivery note information

Stock Info – This files stores the stock information; the amount, description

Sales Info – This files stores information of sales

Customer Info – This files stores personal customer information

Order Info - This is information about the orders made by the customer.

Sales Report – This files stores the sales reports

 


 

 

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