IT Trainer Questions


Q:

Which key is used for the last action?

A) Ctrl + D B) Alt + Z
C) Ctrl + Z D) Alt + D
 
Answer & Explanation Answer: C) Ctrl + Z

Explanation:

For undo the action or last action [Ctrl + Z] is used.

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Q:

What are Spring beans ?

Answer

The Spring Beans are Java Objects that form the backbone of a Spring application. They are instantiated, assembled, and managed by the Spring IoC container. These beans are created with the configuration metadata that is supplied to the container.
Beans defined in spring framework are singleton beans. There is an attribute in bean tag named "singleton" if specified true then bean becomes singleton and if set to false then the bean becomes a prototype bean. By default it is set to true. So, all the beans in spring framework are by default singleton beans.

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Subject: Java
Job Role: Analyst , IT Trainer

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Q:

What is the product of a number and its reciprocal?

A) 0 B) 1
C) -ve of the number D) the number itself
 
Answer & Explanation Answer: B) 1

Explanation:

The product of a number and its reciprocal is always equals to 1.

 

For Example : Let the number be 4.

Now, its reciprocal is 1/4

Hence, required product = 4 x 1/4 = 1.

 

Now, take the number as -15.

Then its reciprocal is -1/15

Required product = -15 x -1/15 = 1.

 

Hence, the product of a number and its reciprocal is 1.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

A UPS connects your computer and a power source.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

A UPS (Uninterruptible Power Supply) is a device that provides battery backup when the electrical power fails or drops to an unacceptable voltage level.


Related image


Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, while larger systems have enough battery for several hours.

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Q:

An image created to accompany words is called

A) A Heirogylph B) An Illustration
C) A Logo D) An Icon
 
Answer & Explanation Answer: B) An Illustration

Explanation:

An Illustration is a visual image created to accompany words to depict them.

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Q:

A sentence whose meaning is unclear

A) Anonymous B) Ambiguous
C) Unanimous D) Congruent
 
Answer & Explanation Answer: B) Ambiguous

Explanation:

A sentence whose meaning is unclear is called as Ambiguous.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

1 3272
Q:

What is an error in a program called

A) Power fail B) Crash
C) Virus D) Bug
 
Answer & Explanation Answer: D) Bug

Explanation:

In computer technology, a coding error in a computer program is called a bug.

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Q:

I go around and in the house but never touches the house. What am I?

Answer

Te Sun.


From the time rising it goes around the house upto sunset, but never touches the house.

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