UNIT I
(i) The Supertag scanner could revolutionise the way people shop, virtually eradicating supermarket queues.
(ii) The face of retailing will change even more rapidly when the fibre optic networks being built by cable TV companies begin to be more widely used.
(iii) The scanner would have a double benefit for supermarkets removing the bottleneck which causes frustration to most customers and reducing the number of checkout staff.
(iv) An electronic scanner which can read the entire contents of a supermarket trolley at a glance has just been developed.
The best sequence is: