Questions

Q:

Who is the Creator of the popular cartoon characters Mandrake the Magician and the Phantom?

Answer

Lee Falk

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Q:

Of the three ways to create an Oracle database, which one is the easiest and most recommended?

A) Using the Oracle Database Configuration Assistant. B) Using the Oracle-supplied database creation procedures.
C) Using the SQL CREATE DATABASE command. D) None of the above is correct.
 
Answer & Explanation Answer: A) Using the Oracle Database Configuration Assistant.

Explanation:
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Filed Under: Database

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Q:

Give two ways of converting a two input NAND gate to an inverter.

Answer

One way is shorting the two inputs of the NAND gate and passing the input.


truth table:


A B output


1 1 0


0 0 1


The second way is passing the input to only one input (say A) of the NAND gate. Since the other input  (say B is floating, it is always logic one.


Truth table:


A B output


1 1 0 


0 1 1

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Subject: Hardware

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Q:

Which is the first talkie film

Answer

The Jazz Singer in 1927

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Subject: Indian Culture

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Q:

Nitrogen Fixation is carried out primarily by

A) Plants B) Humans
C) Consumers D) Bacteria
 
Answer & Explanation Answer: D) Bacteria

Explanation:

The process by which bacteria convert nitrogen gas (N2) into ammonia (NH3) is called Nitrogen Fixation.

 

The conversion of nitrogen from one form to another in the nitrogen cycle is carried out primarily by Nitrogen Fixing Bacteria such as Azotobacter.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

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Q:

Which of the following is not soluble in water?

A) copper(II) hydroxide B) sodium chloride
C) silver nitrate D) potassium sulfate
 
Answer & Explanation Answer: A) copper(II) hydroxide

Explanation:

Sodium chloride:

The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.

 

Silver nitrate:

It is soluble because all nitrates are soluble, without exception.

 

Potassium sulfate:

It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.

 

Copper (II) hydroxyde:

It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Current search engines function by recognizing keywords.

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

Explanation:

A search engines are a software systems used for searching about any information in the world on the web.


                         current_search_engines_function_by_recognizing_keywords1536129682.png image


Search engines like Google, Bing, Internet explorer, Yahoo, etc... functions by providing relevant search results for the keywords user searches. 


 


Hence, the given statement is TRUE.

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Q:

When a bullet is fired from a gun 

A) the gun moves forward B) the gun jumps up
C) the gun does not move D) the gun recoils with the same momentum as the bullet
 
Answer & Explanation Answer: D) the gun recoils with the same momentum as the bullet

Explanation:

Newton's III law involved

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Filed Under: Physics

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