Question # 1

Word"Computer" is derive from.

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Machine

Calculator

Compute

All of these

Multi - meter is an instrument which can be used to measure:

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Current

Potential difference

all of the above

Resistance

The energy produced by the breakdown of chemical bond between atoms:

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Light energy

chemical energy

electrical energy

kinetic energy

Operation " 2+3" in computer performed by.

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CU

CPU

ALU

None of these

The examples of semi - conductors:

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sodium and potassium

calcium and potassium

Germanium and silicon

carbon and nitrogen

The constant in Ohm's law is.

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Current

Resistance

Potential difference

Charge

Which of the following is a brain of computer?

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Central processing unit

Mouse

Monitor

Hard disc

The production capacity of research reactor PARR - I is:

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10 megawatt

15 megawatt

20 megawatt

25 megawatt

Voltmeter is connected in.

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Parallel position

Series position

Both a and b

None of these

The solar energy falling on the atmosphere of Earth is almost:

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1.2 Kilowatt per square meter

1.4 kilowatt per square meter

1.6 kilowatt per square meter

1.8 kilowatt per square meter

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

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31

30

38

32

Revolutionary charges have occur in last ............. years.

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30

40

50

60

Voltmeter is used to.

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Measure current

Measure potential difference

Measure voltage

Both a and b

Total production capacity of Karachi nuclear power plant:

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137 megawatt

173 megawatt

100 megawatt

110 megawatt

The Si unit of energy :

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meter per second

meter

joule

kilowatt hour

the converstion of Kinetic energy of running water to electricla energy is known as.

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Thermal power

Tidal power

Hydroelectric power

Nuclear power

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