Selected MCQ

Current Question
Which concept involves using sensor data to create a 3D model of a city or facility?
  • A. Digital wallet
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
Digital twins can model entire environments or systems in real-time using sensor data.
Related Question 1
Which concept refers to a model's ability to perform well on unseen data?
  • A. Underfitting
  • B. Overfitting
  • C. Generalization
  • D. Normalization
Correct Answer: C
Explanation:
Generalization is a model's ability to apply learned patterns to new data.
Related Question 2
What sensor does a robot use for mapping its surroundings using laser beams?
  • A. Gyroscope
  • B. Lidar
  • C. GPS
  • D. Thermometer
Correct Answer: B
Explanation:
LiDAR uses laser pulses to measure distances and help create a map of the environment.
Related Question 3
Which layer of the OSI model handles data encryption and session management?
  • A. Network
  • B. Transport
  • C. Application
  • D. Presentation
Correct Answer: D
Explanation:
The Presentation layer (layer 6) deals with data encryption and formatting.
Related Question 4
Which of the following is an example of a data warehousing platform?
  • A. Hadoop HDFS
  • B. Amazon Redshift
  • C. MySQL Workbench
  • D. SQLite
Correct Answer: B
Explanation:
Amazon Redshift is a cloud data warehouse service for analytics.
Related Question 5
Which computing paradigm combines simulation and data analysis to create a digital representation of a physical object or system?
  • A. Digital diary
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
A digital twin is a virtual model of a physical object or system used for simulation and analysis.