ITPEC IP April 2025 Question 92
As sightseeing guidance, images of buildings from the past and explanatory information are displayed on top of the current actual scenery when a smartphone is pointed at a historic site or other such site. Which of the following is the most appropriate term to describe the mechanism that is utilized?
Explanation
AR — augmented reality overlays past buildings and explanations on the real scenery the smartphone camera shows.
AR keeps the real environment in view, through a camera image, smart glasses or a head-up display, and adds computer-generated information aligned with it. Pointing a smartphone at a historic site and seeing the building that once stood there on the actual landscape is a typical use; so are navigation arrows drawn on the street and furniture previewed in a real room.
Answer (a)
Why not others:
- •(b) GUI — a graphical user interface operates a computer through icons, windows and menus; it says nothing about combining images with the real scene
- •(c) VR — virtual reality replaces the user's surroundings with a computer-generated world, usually through a head-mounted display, so the real scenery is not seen
- •(d) Metaverse — a shared three-dimensional virtual space on the Internet where users meet and act through avatars; it is entirely virtual
Key rule: AR augments the real world the user is looking at; VR and the metaverse replace it with a virtual one. Ask whether the user still sees their actual surroundings.
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