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Which company invented the floppy disk?

Acorn
IBM
Apple
Microsoft
IBM American company, which is one of the oldest IT companies in the world - developed many key technologies used in computer science, like hard drive, cursor, floppy disk.
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Answers by country

Acorn
IBM
Apple
Microsoft
answers
flagSouth Africa
6%
86%
0%
6%
15
flagNigeria
7%
85%
0%
7%
14
flagCanada
0%
82%
5%
11%
17
flagRepublic of Ireland
5%
73%
15%
5%
19
flagItaly
16%
72%
0%
11%
18
flagAustralia
7%
71%
5%
15%
39
flagGermany
14%
70%
4%
9%
526
flagthe United States
10%
68%
7%
9%
166
flagSwitzerland
16%
68%
4%
8%
72
flagthe Netherlands
29%
64%
0%
5%
17
flagthe Philippines
16%
62%
5%
10%
37
flagGreece
6%
62%
18%
12%
16
flagPoland
15%
61%
9%
13%
5769
flagPakistan
17%
60%
0%
10%
28
flagIndia
15%
58%
8%
15%
429
flagAustria
15%
58%
5%
16%
72
flagthe United Kingdom
19%
56%
10%
12%
132
flagGhana
6%
53%
13%
26%
15
flagNepal
9%
52%
19%
14%
21
flagIsrael
31%
47%
10%
10%
19

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

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
silicon polycrystal
pyrite crystal

The Copley Medal is a scientific award given by the Royal Society, for ...

sports performance
achievements in scientific research
Achievements of architecture
Literature achievements