Selected MCQ

Current Question
What is the main advantage of object-oriented programming (OOP) in software development?
  • A. Faster execution speed
  • B. Better memory usage
  • C. Encapsulation and code reuse
  • D. Using less code
Correct Answer: C
Explanation:
OOP provides encapsulation and promotes code reuse through classes and objects.
Related Question 1
Which software development model emphasizes constant feedback and iterative improvements?
  • A. Waterfall
  • B. Spiral
  • C. Agile
  • D. V-Model
Correct Answer: C
Explanation:
Agile methodology uses iterative development with frequent feedback loops.
Related Question 2
In a software development methodology, what does "CI/CD" stand for?
  • A. Continuous Improvement / Continuous Development
  • B. Continuous Integration / Continuous Deployment
  • C. Critical Integration / Code Delivery
  • D. Compiler Integration / Code Deployment
Correct Answer: B
Explanation:
CI/CD stands for Continuous Integration and Continuous Deployment, automating integration and release processes.
Related Question 3
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 4
What is the main goal of blockchain's consensus mechanism?
  • A. To ensure every node has the same data
  • B. To shuffle tokens quickly
  • C. To encrypt all data
  • D. To generate a random number
Correct Answer: A
Explanation:
Consensus mechanisms such as PoW/PoS ensure that all nodes agree on a single history of transactions.
Related Question 5
What does SDN (Software Defined Networking) allow?
  • A. Hardware-only management
  • B. Dynamic network configuration via software control
  • C. Eliminating routers
  • D. Only static routing
Correct Answer: B
Explanation:
SDN separates control and data planes, enabling programmable network configurations.