Selected MCQ

Current Question
Which of the following is an example of Augmented Reality (AR)?
  • A. Oculus VR headset
  • B. Pokemon Go app overlaying images on camera view
  • C. Watching 3D movies
  • D. Using a fitness tracker
Correct Answer: B
Explanation:
Pokémon Go overlays game images onto the real world through a phone camera (AR).
Related Question 1
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 2
Which of the following is an example of a relational database management system (RDBMS)?
  • A. MongoDB
  • B. Cassandra
  • C. MySQL
  • D. Redis
Correct Answer: C
Explanation:
MySQL is a popular relational database system.
Related Question 3
Which of the following is a type of extended reality that overlays digital information onto the real world?
  • A. Virtual Reality (VR)
  • B. Augmented Reality (AR)
  • C. Artificial Reality (ARt)
  • D. Mixed Science
Correct Answer: B
Explanation:
Augmented Reality overlays virtual objects onto the real world via devices such as smart glasses.
Related Question 4
Which of the following is an example of multi-factor authentication?
  • A. Password-only login
  • B. Fingerprint plus PIN entry
  • C. Single sign-on (SSO) via Google
  • D. CAPTCHA challenge only
Correct Answer: B
Explanation:
A fingerprint (something you are) plus a PIN (something you know) is multi-factor authentication.
Related Question 5
Which of the following is an example of an actuator commonly used in robotics for precise position control?
  • A. Stepper motor
  • B. Photodiode
  • C. Resistor
  • D. Capacitor
Correct Answer: A
Explanation:
Stepper motors move in discrete steps, enabling precise position control in robotics.