Computer Science, asked by pravin3103, 1 year ago

An input device that is used widely in supermarkets is ..........?

1. keyboard
2. Mouse
3. Trackball
4. Bar code reader

Answers

Answered by shruthi2000

11

The answer is barcode scanner

Answered by rileybiers

5

hi there again,
the ans is d ,bar code scanner.
i hope this helps u...

rileybiers: thanx sir

pravin3103: :)

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