Questions

Q:

What is hard disk and what is its purpose?

Answer

Hard disk is the secondary storage device, which holds the data in bulk, and it holds the data on the magnetic medium of the disk.Hard disks have a hard platter that holds the magnetic medium, the magnetic medium can be easily erased and rewritten, and a typical desktop machine will have a hard disk with a capacity of between 10 and 40 gigabytes. Data is stored onto the disk in the form of files.

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Q:

Radioactive decay is likely to occur when

A) an atom has too many neutrons or protons B) protons break into neutrons and electrons
C) an atom has too many electrons D) atoms collide with one another
 
Answer & Explanation Answer: A) an atom has too many neutrons or protons

Explanation:

Radioactive decay is likely to occur when the nuclei of an atom doesn't have enough binding energy to hold the nucleus together due to excess of rotons or nutrons in it.

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Filed Under: Chemistry
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Q:

Improve the bracketed part of the sentence.
He (promised to mend) his ways.

A) had a promised to mending B) promised for mending
C) was promised of mending D) No improvement
 
Answer & Explanation Answer: D) No improvement

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

What three statements make up the cell theory?

A) All living things are made up of cells. B) New cells come frome exisiting cells.
C) Cells are the basic unit of structure/function in living things. D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The three statements make up the cell theory are::

 

1. All living things are made up of cells.

2. Cells are the basic unit of structure/function in living things.

3. New cells come frome exisiting cells.

 

These cells can vary widely, but all living things are composed of cells.

 

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Filed Under: Biology
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Q:

In the expansion phase of a business cycle

A) economy moves from peak to trough B) economy moves from contraction to peak
C) economy moves from trough to peak D) economy moves from trough to trough
 
Answer & Explanation Answer: C) economy moves from trough to peak

Explanation:

Business cycles are identified as having four distinct phases:

1. Expansion,

2. Peak,

3. Contraction, and

4. Trough.

Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery.

An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

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Filed Under: Indian Economy
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Q:

If there is a lock on an adjacent key, an insert will fail if the isolation level is set to what?

A) committed read B) repeatable read
C) share read D) indexed read
 
Answer & Explanation Answer: B) repeatable read

Explanation:
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Filed Under: IBM Certification

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Q:

When is World Day for Water, recognised by the UN observed?

A) January 21 B) March 22
C) October 27 D) February 24
 
Answer & Explanation Answer: B) March 22

Explanation:
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Q:

In e-FRRO, 'FRRO' stands for?

A) Foreigners Reacceptance Registration Office B) Foreigners Regional Registration Office
C) Foreigners Regaining Registration Office D) Foreigners Registry Registration Office
 
Answer & Explanation Answer: B) Foreigners Regional Registration Office

Explanation:

Home Minister Rajnath Singh launched the web-based application e-FRRO (e-Foreigners Regional Registration Office) scheme under which foreigners can avail, various visa and immigration-related services online. This will facilitate hassle-free travel to India for foreigners.

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Filed Under: General Awareness
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