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What does "USB" stand for?

Universal Satellite Bus
Universal System Bus
Universal Serial Bus
Universal Software Bus
USB - short for Universal Serial Bus, is an industry standard that defines cables, connectors and communications protocols for connection, communication, and power supply between computers and devices.
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Answers by country

Universal Satellite Bus
Universal System Bus
Universal Serial Bus
Universal Software Bus
answers
flagPakistan
11%
0%
88%
0%
17
flagNepal
5%
0%
85%
10%
20
flagAustralia
3%
3%
84%
9%
33
flagGhana
9%
9%
81%
0%
11
flagthe Netherlands
5%
16%
77%
0%
18
flagthe Philippines
0%
4%
72%
22%
22
flagFrance
8%
16%
66%
8%
12
flagAustria
2%
22%
65%
10%
40
flagIndia
9%
10%
63%
15%
287
flagCanada
9%
18%
63%
9%
11
flagGermany
7%
20%
62%
8%
241
flagthe United States
1%
20%
60%
16%
84
flagSwitzerland
2%
28%
51%
12%
39
flagItaly
0%
50%
50%
0%
16
flagthe United Kingdom
3%
18%
49%
27%
87
flagRepublic of Ireland
7%
42%
42%
7%
14
flagPoland
6%
29%
37%
24%
5583
flagEstonia
10%
70%
10%
10%
10

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

If there is Friday 13th in a month, then ...

this month has 30 or 31 days
this month starts on Sunday
this month ends on Sunday
All of the answers are correct