Questions

Q:

The wavelength of a wave is the distance between

A) Crest and Trough B) Crest and Crest
C) Trough and Trough D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

Distance between two Consecutive Crests or two Consecutive Troughs is called Wavelength. But the distance between crest and adjacent trough is half the wavelength.

That is the distance between adjacent crest and trough is called Half the wavelength.

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Q:

The island which became the first island in the world fully energy self-sufficient through combined water and wind power

Answer

EI Hierro

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Q:

Iron rusting, chemical or physical change

A) Chemical B) Physical
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Chemical

Explanation:

In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.


The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

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Filed Under: Chemistry
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Q:

The shortest book in number of words?

A) John B) Jude
C) Obadiah D) Philemon
 
Answer & Explanation Answer: A) John

Explanation:
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Filed Under: General Awareness
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Q:

Schedule Ninth of the Indian Constitution deals with 

A) Subjects contained in the Union List,State List and Concurrent List B) The recognition of Languages
C) Certain acts and regulations of state Legislatures dealing with land reforms and abolition of Zamindari D) The territories of State and Union territories
 
Answer & Explanation Answer: C) Certain acts and regulations of state Legislatures dealing with land reforms and abolition of Zamindari

Explanation:
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Q:

What is the difference between microkernel and macro kernel?

Answer

Micro-kernal : A micro-kernel is a minimal operating system that performs only the essential functions of an operating system. All other operating system functions are performed by system processes.


Monolithic : A monolithic operating system is one where all operating system code is in a single executable image and all operating system code runs in system mode.

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Q:

Who is the richest person in the world 2018?

A) Jeff Bezos B) Bill Gates
C) Warren Buffets D) Mark Zuckerberg
 
Answer & Explanation Answer: A) Jeff Bezos

Explanation:

Jeff Bezos is the richest person in modern history. The Amazon.com Inc. founder’s net worth broke $150 billion in New York on 16th July 2018 morning, according to the Bloomberg Billionaires Index.

 

 jeff_bezos1531830665.jpg image

 

That’s about $55 billion more than Microsoft Corp. co-founder Bill Gates, the world’s second-richest person.

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Q:

Programs stored in ROM are called

A) Firmware B) Software
C) Hardware D) None of above
 
Answer & Explanation Answer: A) Firmware

Explanation:

ROM stands for read-only-memory.

 

It's used to store the start-up instructions for a computer, also known as the firmware.

 

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

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