What is virtual reality?

What is virtual reality?

• A. Use of a computer-based system to create an environment that seems 'real' to one or more of the human senses
• B. A cloud-based database service
• C. A peer-to-peer file sharing system
• D. A hardware virtualization technique

Answer: (A)

Virtual reality is a computer-based system that creates an environment that seems real to one or more human senses. It uses devices like a head-mounted display and motion trackers to place you inside a simulated world where you can see, hear, and often interact with objects as if they were real. The goal is immersion, not just presenting data or running software. The other descriptions point to different concepts: a cloud-based database service focuses on storing and accessing data online; a peer-to-peer file sharing system is about distributing files across users’ networks; and hardware virtualization involves running multiple operating systems on a single physical machine. None of these aim to create immersive, sensory-rich simulations, which is the essence of virtual reality.

Virtual reality is a computer-based system that creates an environment that seems real to one or more human senses. It uses devices like a head-mounted display and motion trackers to place you inside a simulated world where you can see, hear, and often interact with objects as if they were real. The goal is immersion, not just presenting data or running software.

The other descriptions point to different concepts: a cloud-based database service focuses on storing and accessing data online; a peer-to-peer file sharing system is about distributing files across users’ networks; and hardware virtualization involves running multiple operating systems on a single physical machine. None of these aim to create immersive, sensory-rich simulations, which is the essence of virtual reality.