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Laser barcode readers are still widely used today, especially for reading one-dimensional (1D) barcodes, such as UPC and EAN. However, they also have some limitations, such as being unable to read damaged, curved, or reflective barcodes, or barcodes off a screen. Moreover, they cannot read two-dimensional (2D) barcodes, such as QR code and Data Matrix, which are becoming more popular due to their higher data capacity and error correction capability.

CCD barcode scanners and laser barcode scanners are two common types of barcode scanners that use different technologies to scan and decode barcodes. Both types of scanners have their own pros and cons, depending on the specific needs and requirements of the users. Let's see their comparisons.