1. Which of the following is a low-power, shorter range wireless technology that is intended to replace wired connectivity for accessories such as speakers or a mouse?
- NFC
- GPS
- Wi-Fi
- Bluetooth
Explanation: Bluetooth is a low-power, shorter range wireless technology that is intended to replace wired connectivity for accessories such as speakers, headphones, and microphones. Bluetooth can also be used to connect a smartwatch to a smartphone.
2. Which of the following is a wireless communication technology that enables a smartphone to communicate with a payment system within a few centimeters away?
- NFC
- GPS
- Wi-Fi
- Bluetooth
Explanation: Near Field Communications (NFC) is a wireless communication technology that enables data to be exchanged by devices that are in very close proximity to each other, usually less than a few centimeters.