RAS question
Digital Twin technology refers to:
Correct answer: (A) A virtual replica of a physical object/system for simulation.
Digital twin technology means creating a virtual replica of a physical object, process or system so that it can be simulated, monitored and optimised as a real-time digital counterpart.
Explanation
A digital twin is not just a drawing or a backup copy; it is a working virtual representation of a physical object, process or system. IBM describes it as using real-time data to reflect the behaviour and performance of its real-world counterpart. That is why option A is correct: the point is to simulate, monitor and improve the physical asset or process in a virtual environment. The same idea explains its use in Industry 4.0 manufacturing, smart cities, healthcare and aerospace. Because the model mirrors the real system, teams can test changes, spot irregularities and plan predictive maintenance before failures disrupt operations.
Why the other options are wrong
- (B) A backup server stores redundant data, while a digital twin models a physical object, process or system for simulation and monitoring.
- (C) Two identical computers are duplicate hardware, whereas a digital twin is a virtual counterpart linked to a real-world asset or process.
- (D) Cloning a website copies a web property, but digital twin technology is about virtual modelling of physical systems, not website duplication.
Concept
This tests the Science and Technology concept of emerging digital technologies, especially Industry 4.0 applications. It recurs in RAS because digital twins connect core technology terms with governance-relevant uses such as smart cities, healthcare, aerospace and predictive maintenance.