1. 📌 Understanding QR Codes
Quick Response Technology for the
Digital Age
Presented by: Your Name | Date
2. 🔍 What is a QR Code?
• QR stands for Quick Response
• It is a type of 2D barcode that stores data
• Invented in 1994 by Denso Wave (a Toyota
subsidiary)
• Can store text, links, contacts, etc.
• Easily scanned using smartphones or QR
scanners
3. 📜 Brief History
• Developed for tracking automotive parts
• Adopted in retail, marketing, and logistics
• Became popular with smartphones & digital
payments
• COVID-19 pandemic boosted usage in menus,
payments, etc.
4. 🔎 Anatomy of a QR Code
• Finder patterns (3 large squares)
• Alignment patterns
• Timing patterns
• Data & Error correction blocks
• Quiet zone (margin)
• (You can add a labeled image of a QR code
here)
5. 📂 Types of QR Codes
• Static QR Code
• - Fixed data, cannot be changed
• Dynamic QR Code
• - Data can be edited later
• - Trackable and more secure
• Micro QR Code
• - Smaller version for less data
6. ⚙ How Does It Work?
• Scanner reads the black and white modules
• Decodes binary info into readable data
• Redirects to URL, contact, file, or text
• Can trigger actions: open app, dial number,
etc.
7. 📱 Applications of QR Codes
• Mobile Payments (e.g., Paytm, PhonePe,
Google Pay)
• Product Packaging
• Digital Business Cards
• Event Tickets & Boarding Passes
• Restaurant Menus
• Website or App Links
8. ✅ Advantages
• Fast and convenient
• Easy to generate and use
• Touchless and hygienic
• High data capacity
• Trackable (Dynamic QR)
9. ⚠ Disadvantages
• Requires smartphone or scanner
• Security risks (phishing links)
• Needs stable internet connection
• Not user-friendly for older generations
• Design can impact scan success
10. 🚀 What's Next?
• Integration with AR/VR & IoT
• Use in digital identity verification
• More secure QR payment systems
• Customizable designs with branding
• Increased use in marketing and education
11. 🎯 Summary
• QR Codes bridge physical and digital worlds
• Widely used in daily life & business
• Simple, fast, and flexible technology
• With proper security, future is promising
• Thank You! 🙏