Question # 1

Which of the following is a brain of computer?

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Central processing unit

Mouse

Monitor

Hard disc

The mass of Beta particle:

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0

4

2

1

Which element is used to make LED?

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Aluminum

Calcium

sodium

Arsenic

Two American astronauts namely Neil Armstrong and Edwin Aldrin landed on the moon by:

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Apallo l

Apallo ll

Suptnik l

Sputnik ll

The first man went into space in

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1965

1961

1971

1991

"SPACE Suit" secure astronauts from temperature ragne.............. in space.

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200 ^oC to - 110 ^o

250^o to - 185^o

150^o to - 185 ^oC

none

Operation " 2+3" in computer performed by.

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CU

CPU

ALU

None of these

How many electrons Guns are used in colour T.V?

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One

Two

Three

Four

Element having atomic numebr greater than.......... go on emitting radiations.

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80

92

82

83

Electric signal is converted into digital signal by.

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Key board

Monitor

Scanner

Modem

In ........ henry Bequeral discovered.

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1895

1886

1896

1898

In Brazil, most of the vehicles run with:

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petrol

Bio gas

Alcohol

CNG

The ability to do work is called.

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Power

Force

Energy

All of them

Skylab enters back into atmosphere.

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In 1979

In 1990

In 2000

In 2003

Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path.

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31

30

38

32

the test that measures the electrical activity of the heart:

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E.C.G (Electrocardiogram)

E.E.G (Electroencephalography)

M.R.I (Magnetic resonance imaging)

Angiography

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