Selected MCQ

Current Question
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 1
What is a key feature of a humanoid robot compared to other robots?
  • A. It has a fixed operating radius
  • B. It has a human-like body structure
  • C. It operates only underwater
  • D. It mimics insect movement
Correct Answer: B
Explanation:
Humanoid robots are designed with a human-like body form, usually with two arms, two legs, and a torso.
Related Question 2
What is a key feature of quantum computing that offers computational advantages?
  • A. Using vacuum tubes
  • B. Superposition and entanglement
  • C. Fiber optic circuits
  • D. DC power only
Correct Answer: B
Explanation:
Quantum superposition and entanglement enable certain calculations to be done much faster.
Related Question 3
What is a key feature of quantum computing that can offer speedups?
  • A. Using vacuum tubes
  • B. Superposition and entanglement
  • C. Fiber optic circuits
  • D. DC power only
Correct Answer: B
Explanation:
Quantum superposition and entanglement enable parallelism that can speed up tasks like factoring.
Related Question 4
What type of network topology features a single central point with all devices connected to it?
  • A. Bus topology
  • B. Star topology
  • C. Ring topology
  • D. Mesh topology
Correct Answer: B
Explanation:
A star topology connects all nodes to a central hub or switch.
Related Question 5
Which of the following describes a blockchain's immutability feature?
  • A. Anyone can easily alter blocks
  • B. Once recorded, blocks cannot be changed without detection
  • C. Only the first block is immutable
  • D. Transactions expire after 24 hours
Correct Answer: B
Explanation:
The cryptographic linkage of blocks means that modifying any block would be evident across the network, providing immutability.