Quick Response

Uses of Barcode Readers

• Retail & Point of Sale (POS) – Used in supermarkets for billing.

• Inventory & Warehouse Management – Tracks products and stock levels.

• Healthcare – Scans patient wristbands and medication labels.

• Library Management – Helps in book check-in and check-out.

• Logistics & Shipping – Tracks parcels and shipments.

Advantages of QR Code Readers

• Quick and Easy to Use – Just scan with a smartphone camera to access information instantly.

• Stores More Information – Can hold links, text, contact details, or even Wi-Fi credentials.

• Works Even if Partially Damaged – Can still be scanned even if a part of it is missing.

• Cost-Effective – Free to generate and print, making it budget-friendly.

• Reduces Contact – Helpful for digital payments, online menus, or e-tickets without touching anything.

• Can Be Tracked – Businesses or schools can see how often a QR code is scanned.

Disadvantages of QR Code Readers

• Needs a Smartphone or Scanner – Cannot be used without a device that can scan QR codes.

• Internet Connection Required – Many QR codes lead to websites, so an internet connection is necessary.

• Security Risks – Hackers can create fake QR codes to steal data or spread malware.

• Not Always Easy for Everyone – Some students or older people may find QR codes difficult to use.

• May Not Work on All Devices – Some older smartphones may not have a built-in QR scanner.