Selected MCQ

Current Question
What does ACID stand for in database transactions?
  • A. Atomicity, Consistency, Isolation, Durability
  • B. Accessibility, Concurrency, Integrity, Durability
  • C. Authentication, Control, Integrity, Durability
  • D. Atomicity, Connectivity, Integrity, Durability
Correct Answer: A
Explanation:
ACID stands for Atomicity, Consistency, Isolation, and Durability in database transactions.
Related Question 1
What does 'AIoT' stand for?
  • A. Artificial Intelligence of Things
  • B. Automated Internet of Things
  • C. Advanced IoT
  • D. None of the above
Correct Answer: A
Explanation:
AIoT combines artificial intelligence (AI) and the Internet of Things (IoT) to enable smarter devices.
Related Question 2
In robot control, what does PID stand for?
  • A. Power, Integration, Discharge
  • B. Proportional, Integral, Derivative
  • C. Position, Information, Data
  • D. Process, Inhibit, Delete
Correct Answer: B
Explanation:
PID stands for Proportional-Integral-Derivative, a type of feedback controller.
Related Question 3
In data storage, what does SSD stand for?
  • A. Secure Storage Drive
  • B. Solid State Drive
  • C. Standard Server Disk
  • D. System Storage Device
Correct Answer: B
Explanation:
SSD stands for Solid State Drive, a fast storage device with no moving parts.
Related Question 4
Which of these is a cloud-native database technology?
  • A. MongoDB Atlas
  • B. Oracle 12c on-prem
  • C. SQLite mobile
  • D. Microsoft Access
Correct Answer: A
Explanation:
MongoDB Atlas is a managed cloud database service (cloud-native).
Related Question 5
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.