Questions

Q:

Which of the following is not true about X­rays?

A) have low penetrating power B) travel with the speed of light
C) Can be reflected or refracted D) can affect photographic plates
 
Answer & Explanation Answer: A) have low penetrating power

Explanation:
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Filed Under: Physics
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Q:

If 56M4 is completely divisible by 11, then what is the value of M?

A) 0 B) 1
C) 3 D) 5
 
Answer & Explanation Answer: D) 5

Explanation:
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Filed Under: English
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Q:

Which best describes the nucleus of an atom?

A) It is the densest part of the atom B) It has neutrons
C) It has protons D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.

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Filed Under: Chemistry
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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

This is a change of my usual work

A) from my usual work B) for my usual work
C) in my usual work D) No improvement
 
Answer & Explanation Answer: A) from my usual work

Explanation:
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Filed Under: English

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Q:

The Mayan pyramids and temples were made from

A) Limestone B) Wood
C) Marble D) Granite
 
Answer & Explanation Answer: A) Limestone

Explanation:

The Mayans were an ancient civilization located in what is known as Mesoamerica, a geographical region comprised of Mexico and parts of Central America. They were extremely adept in matters of mathematics, astronomy, and art, and architecture.

 

The Mayan pyramids and temples were built with bricks and covered with limestone.

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Filed Under: World Geography
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Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

A) (4√3 – 1)/4 B) (4√3 + 1)/2
C) (–4√3 – 1)/4 D) (–4√3 – 1)/2
 
Answer & Explanation Answer: C) (–4√3 – 1)/4

Explanation:
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Q:

What is SMP?

Answer

To achieve maximum efficiency and reliability a mode of operation known as symmetric multiprocessing is used. In essence, with SMP any process or threads can be assigned to any processor.

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Q:

What are the different types of Real-Time Scheduling?

Answer

Hard real-time systems required to complete a critical task within a guaranteed amount of time.
Soft real-time computing requires that critical processes receive priority over less fortunate ones.

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