What does CD stand for?
The compact disc (CD for short) is an optical memory medium, which was introduced in the early 1980s for digital music storage by Philips/PolyGram and Sony, with a view to replacing the vinyl record.
Answers by country
the United States
the United Kingdom
Ubuntu is the most popular Linux distribution, developed by Canonical Software owned by Mark Shuttleworth. What else is Mark famous for?
being a movie star
being an Olympic games attendant
being an astronaut
owning a submarine
What material is computer's processor made of?
single crystal ruby
single crystal silicon
What makes this teapot famous?
Its 3D model is a geometric primitive in many graphic applications
It was used by Adolf Hitler
It was found in the wreck of RMS Titanic
It was sent to space along with Pioneer 10 space probe