Question: 5. Restaurant owners use a wireless, hand-held computer to receive payment from customers. This computer is taken to the table, the customer inserts a credit
5. Restaurant owners use a wireless, hand-held computer to receive payment from customers. This computer is taken to the table, the customer inserts a credit card and enters their PIN. If the PIN is correct, a message of confirmation is displayed on a small LCD screen and a built-in thermal printer is used to print the customer’s receipt.
a) Describe two input devices. (4)
b) Describe two output devices. (4)
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