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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

Shuttleworth founded Thawte in 1995, which specialized in digital certificates and Internet security. His South African company flourished thanks to American ban on export of cryptography, which limited foreign operations of US cryptographic companies. Mark sold Thawte to VeriSign in December 1999, earning US$ 575 million (he aged 26 then). Later he became the second space tourist in the world, and founded Canonical.

Sumit Tamang

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When was the first electronic computer created and what was its name?

in 1945 - Eniac

in 1943 - Colossus

in 1939 - Atanasoff-Berry ABC

in 1941 - Zuse's Z3 machine

What material is computer's processor made of?

single crystal ruby

single crystal silicon

silicon polycrystal

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

In which sport, diuretics (drugs that promote the production of urine) are used as illegal doping?