UPSC CSE Prelims 2019
Correct Option (b):
Statement 3 is correct. Augmented Reality (AR) enables users to interact with digital content overlaid onto their real-world environment. Devices such as smartphones or personal computers, often utilizing their cameras, facilitate this by displaying digital information within the user's view of the physical world, thereby enhancing the real-world experience.
Statement 4 is correct. Virtual Reality (VR) aims to provide a complete immersion experience by replacing the user's perception of the physical world with a simulated digital environment. This effectively "closes out" the real world, transporting the individual into a virtual space.
Statement 1 is incorrect. Augmented Reality (AR) superimposes computer-generated images onto a real-world view, enhancing the physical environment. It does not shut out the physical world; rather, it integrates digital information with it. The description provided, where a simulated environment is created and the physical world is completely shut out, aligns with Virtual Reality (VR).
Statement 2 is incorrect. Virtual Reality (VR) creates a completely simulated environment, immersing the user in a digital world that replaces the real one. The projection of computer-generated images onto real-life objects or surroundings is characteristic of Augmented Reality (AR), not Virtual Reality.