Lakshya UPPSC PT 2022 – Science & Technology Lecture – 4 – Complete One Year Current Affairs – Free PDF Download

Tap to Pay

Tap to Pay

• Google pay Statement
  • All a user will need to do is tap their phone on the POS terminal and authenticate the payment from their phone, using the UPI PIN, making the process instantaneous, as compared to scanning a QR code, or entering the UPI-linked mobile number.

Lets Deconstruct

• What is UPI?
• How does Tap to pay work?

NPCI

UPI – Unified Payment Interface

• National Payments Corporation of India (NPCI) is an umbrella organisation for operating retail payments and settlement systems in India.
• It is an initiative of Reserve Bank of India (RBI) and Indian Banks’ Association (IBA) under the provisions of the Payment and Settlement Systems Act, 2007, for creating a robust Payment & Settlement Infrastructure in India.
• NPCI has been incorporated as a “Not for Profit” Company under the provisions of Section 8 of Companies Act 2013, with an intention to provide infrastructure to the entire Banking system in India for physical as well as electronic payment and settlement systems.

NPCI

Tap to Pay

Applications of NFC

Near Wireless Technology

Near Wireless Technology

Near Wireless Technology

PYQs

Consider the following: (CSE Prelims – 2010)

1. 1. Bluetooth device
   2. Cordless phone
   3. Microwave oven
   4. Wi-Fi device

Which of the above can operate between 2.4 and 2.5 GHz range of radio frequency band?
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4

PYQs

What is the difference between Bluetooth and Wi-Fi devices? (2011)
(a) Bluetooth uses 2.4 GHz radio frequency band whereas Wi-Fi can use 2.4 GHz or 5 GHz frequency band
(b) Bluetooth is used for Wireless Local Area Networks (WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only
(c) When information is transmitted between two devices using Bluetooth technology, the devices have to be in the line of sight of each other, but when Wi-Fi technology is used the devices need not be in the line of sight of each other
(d) The statements (a) and (b) given above are correct in this context

Metaverse

Metaverse

• Metaverse is a combination of multiple elements of technology, including virtual reality, augmented reality, and video where users “live” within a digital universe.
• Metaverse is the next version of the Internet focused on social connection.

Metaverse Opportunities

Non Fungible Tokens

Science & Technology | Free PDF

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