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The diagram below shows coded data that could be input into a computer. (i) Name the device that can be used to input the above data. (ii)...

The diagram below shows coded data that could be input into a computer.

(i) Name the device that can be used to input the above data.
(ii) Where would the above method of input be applied?
(iii) For the application you have given above (b)(ii), state TWO kinds of information that this type of input may contain.

Answers

(i) - Optical Barcode Recognition /Optical Barcode reader

(ii) - Retail systems e.g. electronic point of sale system in supermarket or Libraries for reading barcodes on books

(iii)
- Name of the item
- Cost of item
- Quantity in stock
- Manufacturer

Kavungya answered the question on July 23, 2021 at 09:16

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