1	Angela works in a large cash and carry store where customers buy goods in bulk. Transactions and stock enquiries are transferred via terminals in the store to the company's main computer. a. The computer's operating system allows multi-access. What is meant by multi-access? (2 points)

2	Why is multi-access used in this situation here? (1 point)

3	The company has recently established a web site that allows customers to order goods on-line. Name one piece of hardware and one piece of software that a customer will require to gain access to the web site. (1 point)

4	To order goods on-line customers are issued with a special 6-digit code. Give two reasons why the company allocates a customer a code. (1 point)

5	Data validation and data verification are used to try to eliminate errors in the company's system. Suggest one way in which data could be verified. (1 point)

6	A range check is one form of data validation. Give an example of a range check. (1 point)