Correct option is B
In QR code, QR stands for Quick Response. QR codes are designed to allow for fast scanning and quick retrieval of data, such as URLs, contact information, or product details. This technology enables efficient access to information by using a mobile device or scanner to read the code and instantly provide the associated data.
Important Key Points:
1. Quick Access: The "Quick Response" indicates that QR codes are optimized for rapid scanning and retrieval of information.
2. Data Storage: QR codes store information in a two-dimensional pattern, which can be scanned quickly by devices with QR code readers.
3. Wide Usage: QR codes are used for various purposes, including marketing, product tracking, and easy access to online content.