 | Barcode | RFID |
|---|---|---|
| Introduction (from Wikipedia) | A barcode is an optical machine-readable representation of data. Originally barcodes represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or 1 dimensional (1D). | Radio-frequency identification is the wireless non-contact use of radio-frequency electromagnetic fields to transfer data, for the purposes of automatically identifying and tracking tags attached to objects. |
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