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DATA FLOW DIAGRAM FOR

 

DATA FLOW DIAGRAM FOR

 

Explanation of Components of the Proposed System

Level 2

ENTITIES INVOLVED IN THE PROPOSED SYSTEM (LEVEL 2)

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.

 

DATA FLOWS IN THE PROPOSED SYSTEM (LEVEL 2)

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 Order 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, and price.

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

Employee Info – Information about employees.

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

Payment – Payment to individuals; supplier and employees.

Catalog – This is a listing of the suppliers goods with the description and price etc.

Item Info Request – This information is where the customer is getting information on a an and receiving a reply (Item Info Reply).

Authorization – This is permission granted for the ordering of stocks from a request (Request for Authorization).

Order Delivery – This is information on the delivery of the item to the customer.

Invoice Header – This is information is on the header of the receipt. Information such as name of the customer, invoice number, address of customer are stored.

Invoice Item Info – This is information about the item(s) purchased such as amount, description, unit price, and total price.

Inventory Status – This is information about the amount of goods that are in and out of stock.

 

PROCESSES THAT TAKE PLACE IN THE PROPSED SYSTEM (LEVEL 2)

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

Payment Info Process – This process gives information for payment that are to be made.

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.

Stock Ordering Process – This process receives authorization for item order to be made to the supplier

Customer Order Process – Accepts the customer order information, which is then sent to sales.

Sales Input Process – This is the process that deals with when a customer is purchasing an item(s). It accepts the order information from.

Sales Receipt Process – This process gets the information to create the receipt for the customer.

Order Delivery Process – This process receives a copy of the receipt of item bought and delivers the item to the customer.

Damaged Goods Return Process – This process receives all the goods that are damaged, which is sent back to the supplier.

Damaged Goods Report Process – This process creates a report of the damaged goods and this is sent to the manager.

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

Stock report Process – his process creates a report of all the goods that re in stock with the amount.

 

FILES STORED ON THE PROPOSED SYSTEM (LEVEL 2)

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

Sales Report – This files stores the sales report information.

Invoice Header – This file stores the invoice code, customer name, address, phone number, etc.

Invoice Item – This file stores the information about the item(s) purchased by the customer.

Employee Info – This files stores personal and business information about the employee.

Damaged Goods – This file stores the information about damaged goods.

Stock Report – This report stores the stock report.

 

 


 

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