Selected MCQ

Current Question
Which of the following is NOT a NoSQL database type?
  • A. Document store
  • B. Graph database
  • C. Relational table
  • D. Key-value store
Correct Answer: C
Explanation:
NoSQL includes document, graph, and key-value stores; a relational table is an SQL table.
Related Question 1
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 2
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 3
Which type of database is most suitable for handling unstructured or semi-structured data like JSON documents?
  • A. Relational (SQL)
  • B. NoSQL document store
  • C. Flat file
  • D. Spreadsheet
Correct Answer: B
Explanation:
NoSQL document databases (e.g., MongoDB) are designed to store and query unstructured data, such as JSON documents.
Related Question 4
Which of the following is an emerging tech for generating realistic human images and voices?
  • A. Blockchain
  • B. Generative AI (GANs)
  • C. Quantum computing
  • D. Fiber optics
Correct Answer: B
Explanation:
Generative AI models like GANs can create realistic synthetic images, audio, and text.
Related Question 5
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).