1	A supermarket chain use electronic point-of-sale (EPOS) terminals in each store to send details of sales to the store's main computer. This is connected to the central computer at the company's headquarters. a. The company's files are updated using interactive processing. What are the advantages to the company of interactive processing? (2 points)

2	What type of storage medium is the supermarket likely to use, given that interactive processing is used in the stock control program? Give a reason for your answer. (2 points)

3	Occasionally a payroll program has to run on the computer system at the same time as the stock control program. How will the system cope with the payroll program without slowing down the processing of the stock control program. (2 points)

4	The branch manager frequently requests reports from the computer. Give two advantages in having these reports generated by computer rather than by the staff. (2 points)

5	State two kinds of report that management might require. (2 points)

6	The company's staff records are being computerised and kept on the headquarters computer. What should the company do before holding the personal details on computer? (1 point)

7	State two subsequent things that the company should do to comply with the Data Protection Act. (2 points)