According to paragraph 3, the following are concerns regarding QR codes EXCEPT
Xuất bản: 20/05/2024 - Cập nhật: 20/05/2024 - Tác giả: Hà Anh
Câu Hỏi:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 29 to 33.
QR codes, short for Quick Response codes, have changed virtual interaction in recent years. These codes consist of black and white squares in a grid that stores data for a machine to read. Initially invented by Masahiro Hara and his team at Denso Wave in 1994 to track automotive parts during manufacturing, QẢ codes have since found many applications across various industries.
The versatility of QR codes lies in their ability to store a significant amount of data, including URLs, text, and contact information. With the widespread adoption of smartphones equipped with cameras, scanning QR codes has become an easy step. Users simply need to point their device's camera at them to access the encoded information. One of the most common applications of QR codes is in marketing. Businesses use QR codes on product packaging, advertisements, and promotional materials to provide customers with easy access to additional information or special offers. Moreover, QR codes are increasingly being used in mobile payment systems, allowing users to make transactions by scanning a code displayed on a salesperson's device.
Despite their convenience, QR codes have also raised concerns about privacy and security in the digital environments. These codes may be faked to phish some consumers into handing over their banking or personal information. Therefore, it's essential for users to be careful when scanning QR codes from unknown sources.
(Adapted from Richmond FCE Practice Tests)
