Selected MCQ

Current Question
What kind of spectrum is produced by a perfect blackbody at a given temperature?
  • A. Emission lines
  • B. Continuous spectrum
  • C. Absorption lines
  • D. No spectrum
Correct Answer: B
Explanation:
A perfect blackbody emits a continuous spectrum depending on its temperature.
Related Question 1
What is a feature of 6G compared to 5G?
  • A. Slower speed to save energy
  • B. Use of terahertz bands for ultra-high data rates
  • C. Reduced device connectivity
  • D. Only satellite usage
Correct Answer: B
Explanation:
6G research aims to use the terahertz spectrum for even higher speed and capacity
Related Question 2
Which network tech supports many IoT devices over long ranges?
  • A. Wi-Fi 6
  • B. LoRaWAN
  • C. Bluetooth 5.0
  • D. Ethernet
Correct Answer: B
Explanation:
LoRaWAN is designed for long-range, low-power IoT sensor communications.
Related Question 3
What is 'fog computing'?
  • A. Using cloud far away
  • B. Processing data close to network edge devices
  • C. Weather-based data processing
  • D. Computing without electricity
Correct Answer: B
Explanation:
Fog computing moves some cloud services to the network edge, closer to end devices.
Related Question 4
What is 'edge AI'?
  • A. AI on centralized servers
  • B. AI algorithms running on local edge devices
  • C. AI for video games
  • D. AI robot limbs
Correct Answer: B
Explanation:
Edge AI refers to running AI inference on devices near data sources, such as cameras or sensors.
Related Question 5
What ensures blockchain data integrity across nodes?
  • A. Public database
  • B. Hash-linked blocks and consensus
  • C. Encryption keys only
  • D. Trusted server
Correct Answer: B
Explanation:
Blockchain uses cryptographic hashes linking blocks and consensus protocols to maintain integrity.