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Q:

Size of the primary memory of a pc ranges between

A) 256 kb to 640 kb B) 64 kb to 256 kb
C) 256 kb to 512 kb D) 2 kb to 8 kb
 
Answer & Explanation Answer: A) 256 kb to 640 kb

Explanation:

Size of the primary memory of a PC ranges between 256 KB to 640 KB.

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Filed Under: Computer
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Q:

Indian Oil Corporation, the nation's largest fuel retailer, has started selling the convenient 5-kg cooking gas(LPG) cylinder at kirana stores and supermarkets. The sale of these cylinders has not been launched in which of the following cities?

A) Bangalore B) Chennai
C) Gorakhpur D) Pune
 
Answer & Explanation Answer: D) Pune

Explanation:
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Filed Under: General Awareness

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Q:

What it goes up but never comes down?

A) Umbrella B) Hot air balloon
C) Age D) Rocket
 
Answer & Explanation Answer: C) Age

Explanation:

Yeah, its your AGE which always goes up but sadly never comes down.

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Q:

Where's MBR located on the disk?

Answer

 Main Boot Record is located in sector 0, track 0, head 0, cylinder 0 of the primary active partition.

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Subject: Hardware

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Q:

Who is the leading wicket taker in the history of test cricket

A) Shane Warne B) Brian Lara
C) Courtney Walsh D) Muttiah Muralitharan
 
Answer & Explanation Answer: D) Muttiah Muralitharan

Explanation:
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Filed Under: Sports

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Q:

Who is the author of the book "The Hungry Tide"?

A) Mitali Meelan B) Ravinder Singh
C) Amitav Ghosh D) Sudha Murty
 
Answer & Explanation Answer: C) Amitav Ghosh

Explanation:
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Filed Under: Books and Authors
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Q:

Sound travels fastest in

A) Vacuum B) Air
C) Glass D) Water
 
Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

 

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Filed Under: Physics
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Q:

When is genetic drift a major factor in evolution?

A) When there is male competition B) When there is artificial selection
C) When there is no selective pressure D) When there is disruptiveselection
 
Answer & Explanation Answer: C) When there is no selective pressure

Explanation:

Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.

 

When is genetic drift a major factor in evolution is

* When there is low gene flow.

* When there is no selective pressure.

* When there is a bottleneck.

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