Which wireless technology is commonly built into electronic devices to enable data exchange over short distances?

Bluetooth is a short-range wireless communication technology that allows electronic devices to exchange data without requiring a physical cable. It is commonly built into smartphones, laptops, tablets, headphones, speakers, keyboards, and other electronic gadgets.
Bluetooth uses radio waves, particularly in the... Read More

1 BASIC COMPUTER MCQS

Which wireless technology is commonly built into electronic devices to enable data exchange over short distances?

  • Bluetooth
  • Wi-Fi
  • Modem
  • USB
Correct Answer: A. Bluetooth

Detailed Explanation

Bluetooth is a short-range wireless communication technology that allows electronic devices to exchange data without requiring a physical cable. It is commonly built into smartphones, laptops, tablets, headphones, speakers, keyboards, and other electronic gadgets.


Bluetooth uses radio waves, particularly in the 2.4 GHz frequency band, to establish wireless connections between compatible devices. It makes everyday tasks convenient, such as connecting wireless headphones to a phone, transferring files between devices, or using a wireless keyboard with a computer.


The other options have different purposes. Wi-Fi provides wireless network connectivity and is commonly used for internet access and communication over local networks. A modem connects a device or network to an internet service, while USB (Universal Serial Bus) is primarily a wired connection standard used for data transfer and power delivery.

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