This question is about ACCOUNTING INFORMATION SYSTEM subject.

1. What are the key features of a POS system?

2. How is the primary key critical in preserving the audit trail?

3. What are the advantages of real-timeprocessing?

4. Why does billing receive a copy of the sales order when the order is approved but does not bill until the goods are shipped?

5. What types of unique control problems are created by the use of PC accounting systems?

6. In a manual system, after which event in the salesprocess should the customer be billed?

7. What is a bill of lading?

8. What document initiates the billing process?

9. Where in the cash receipts process does supervision play an important role? 10. Distinguish between the sales order, billing and AR Departments. Why can't the sales order or AR departments prepare the bills?

Please give me a correct and clear answers. I need to understand this because I have been very behind with my lessons. Thank you.