Presntation on TRANSACTION PROCESSING SUBSYSTEM Presented to- Sir Ahmad Tisman Pasha Presented by- Beenish Jahangir BsIT-07-04

ORDER ENTRY The order-Entry system is the transactional processing subsystem that processes customer orders. Orders may came from variety of sources- Mail Phone Fax

1. Collect order information 2.Verify product no.s and stock availability 3. Credit authorization 4. Customer notification Customers Back orders New orders CutomersProduct/price Rejected orders Product/price information Credit status Accaepted order Rejected & partially Filled order Back orders Notification Rejected orders Orders

INVENTORY The quantity of product that a merchandising firm has available to sell at any given time is called inventory. INVENTORY SYSTEM An inventory system monitors the quantity of each product available for sale and helps ensure that proper stock levels are maintained.

1. Fill orders 2. Reorder stock Back orders New ordersAmount receivable Invoicing data Shipments Purchase request Inventory Customer orders Filled orders Invoices Invoices/ packing slips Vendor orders Inventory data Customer orders Filled orders

INVOICING The invoicing system is the transaction processing subsystem that creates invoices and sometimes, packing slips. Packing slip It shows little more than what products are contained in a shipment; prices are either hidden or missing. Bill An invoice or a statement from accounts receivable

3.1 Invoice Preparation Invoices Filled orders Orders Invoices

SHIPPING The shipping system record goods from inventory and ships them out according to instructions.

Ship goods to customers Shipments Shippers Customers Shipment data Shipping alternatives Invoices/ Packing slips

ACCOUNTS RECEIVABLE The accounts receivable system is the transaction processing subsystem that manages customer purchase records, payments, and account balances.

1. Edit & record Receivables data 2. Prepare Statements & reminders Invoices Accounts receivable Accounts Customers Accounts purchases Edited data Receivables data Statements or reminders Payments Non-account purchases

PURCHASING The purchasing system assists with the acquisition of goods. Purchasing department personnel often select a vendor, prepare a purchase order, and send the order to the vendor. In many organization, the purchasing operation is highly computerized so that no physical copies of the purchase order need to be sent, only one copy exist in the central database.

1. Vendor selection 2. Obtain verbal commitments 3. Purchase order preparation 4. Close out Purchase orders Vendors Products Purchase orders Purchase requestsVendors Receipts Requests Vendor data Order data Commitments Commitment data Purchase orders Orders received Delete purchase orders Add Purchase orders Product data Product availabilities

THANKS!