IT Trainer Questions


Q:

What is the meaning of the four colour dots in the news paper?

newspaper-color-dots1525935299.jpg image

Answer

If you read newspaper daily, then you may be aware of the four coloured dots on the corner of the newspaper. 


 


The four dots CMYK — blue (Cyan), pink (Magenta), Yellow and black (Kalio) are registration marks used during printing to help ensure the print is aligned properly. Any colour can be obtained by adding the correct proportion of these four colours.


 


CMYK is used as a base for the colours used in printing newspapers, and these four colours are often printed on the paper in either a heart, dot, or square shape.


 


To print an image, the plates of all these colours are laid out on a page separately and lined up in the same spot while printing. If those four dots are blur or you find the colours overlapping on the image it means the printing is not good. To print an accurate and perfect image, the colors and shape must be arranged precisely and must be claear sharp in order to get the best output.


 



That's why CMYK is also called registration mark. As physically checking all the pages of the paper is not possible for a printer who prints number of news papers daily, he just checks these dots.

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Q:

The database schema is written in

A) DDL B) HLL
C) DCL D) DML
 
Answer & Explanation Answer: A) DDL

Explanation:

The database schema is written in DDL. A data definition language or data description language (DDL) is a syntax similar to a computer programming language for defining data structures, especially database schemas.

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8 9653
Q:

A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of

A) 18 m/s B) 25 m/s
C) 30 m/s D) 36 m/s
 
Answer & Explanation Answer: C) 30 m/s

Explanation:

The interval between object pass the same point is 4 sec.

That means in 2 sec, object reaches the top and in next 2 sec, it again reaches the same point.

By the info given, we can find the velocity of that point by using : v=u+(-gt)

0= u - 10×2

u = 20

Then the velocity at 25m is 20m/sec.

so the initial velocity is


-v2 = u2 + (-2gh)400 = u2 - 2x 10 x 25u2 = 900 => u = 30 m/s

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Filed Under: Physics
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8 9625
Q:

When combining with nonmetallic atoms, metallic atoms generally will

A) Lose electrons and forms cations B) Gain electrons and forms anions
C) Lose electrons and forms anions D) Gain electrons and forms cations
 
Answer & Explanation Answer: A) Lose electrons and forms cations

Explanation:

When combining with nonmetallic atoms, metallic atoms generally will Lose electrons and forms cations.

 

As the ionization energy of te metals are very low, so they can easily lose electrons and form positively charged ion called cations.

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Filed Under: Chemistry
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3 9600
Q:

Website always has

A) Address B) Information
C) Attachments D) Images
 
Answer & Explanation Answer: A) Address

Explanation:

Website always has an address whether it has images, any information or any attchments in it or not but it must has an address. 

Website_always_has1551876614.jpg image

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6 9596
Q:

Which alphabet is a vegetable?

A) C B) T
C) P D) B
 
Answer & Explanation Answer: C) P

Explanation:

The letter 'P' sounds same as the vegetable 'PEA'.

 

Hence P is an alphabet which is a vegetable.

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Filed Under: Logic Puzzles
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6 9566
Q:

Optimist is to cheerful as Pessimist is to

A) Helpful B) Mean
C) Petty D) Gloomy
 
Answer & Explanation Answer: D) Gloomy

Explanation:

The given words are related in a way that, an optimist is a person whose outlook is cheerful. Similarly, a pessimist is a person whose outlook is gloomy.

 

The answer is not (b) because a pessimist does not have to be mean. Options (c) and (a) are incorrect because neither words describe the outlook of a pessimist.

 

Hence, Optimist is to cheerful as Pessimist is to Gloomy.

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Filed Under: Analogy
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3 9564
Q:

The opposite of right is the opposite of

A) Left B) Wrong
C) Give D) Take
 
Answer & Explanation Answer: D) Take

Explanation:

The opposite of right is left. The opposite of left is take. And the opposite of take is give.

 

Hence, the opposite of right is the opposite of take which is left.

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