Virtual reality is a 3D computer-generated simulation which is very close to the real-world experience. The main component of VR is its head-mounted display \(HMD\). Other components include hand controllers and headphones. Any person can immerse themselves into a virtual world, performing certain actions. It can all be done through the help of their five senses: touch, taste, hear, smell, and sight.

What is an "HMD?"

• head-mounted display
• horse-mounted disk
• house-mounted display
• head-mounted disk