1) What is this called? a) barcode b) QR code c) Scanner 2) What is the definition of barcode? a) a printed series of parallel bars or lines of varying width that is used for entering data into a computer system. b) Its something to look at c) Its a kind of computer 3) What is this picture? a) Its a scanner b) Its a product c) Its a QR code 4) What is a QR code mean? a) A QR code is machine-readable code. b) It is a machine readable code and used for strong URLs or other information c) Its a 3D printer 5) What is this picture? a) Its a secret code b) A gun for shooting c) Its a scanner to collect information of the product.

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