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Which of these computer peripherals is not an input device?

Mouse

Monitor

Keyboard

Optical scanner

In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras and joysticks.

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Answers by country

Canada

6%

80%

0%

6%

15

Spain

20%

80%

0%

0%

10

France

16%

75%

0%

8%

12

the Netherlands

0%

73%

0%

26%

23

Germany

12%

70%

1%

13%

426

Switzerland

12%

70%

4%

10%

64

Austria

6%

68%

10%

16%

50

Kenya

25%

66%

0%

8%

12

Australia

19%

63%

0%

16%

36

the United States

15%

59%

3%

20%

130

Poland

12%

56%

2%

27%

5838

Ghana

7%

53%

7%

30%

13

the United Kingdom

15%

50%

3%

27%

112

India

30%

47%

2%

17%

405

the Philippines

26%

44%

0%

26%

34

Pakistan

32%

42%

7%

14%

28

Nepal

22%

40%

0%

36%

22

South Africa

40%

30%

0%

30%

10

Republic of Ireland

50%

28%

7%

14%

14

Greece

35%

21%

0%

42%

14

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

These are the ruins of Fort Elizabeth in Hawaii. Which country built it?