Questions

Q:

Which of the following describes a relational database?

A) It retrieves data related to its queries B) It provides a relationship between floats
C) It provides a relationship between integers D) It consists of separate tables or related data
 
Answer & Explanation Answer: D) It consists of separate tables or related data

Explanation:

A relational database is a digital database based on the relational model of data, a database structured to recognize relations between stored items of information. A software system used to maintain relational databases is a relational database management system.

 

Computer database in which all data is stored in Relations which (to the user) are tables with rows and columns. Each table is composed of records (called Tuples) and each record is identified by a field (attribute) containing a unique value. Every table shares at least one field with another table in 'one to one,' 'one to many,' or 'many to many' relationships. These relationships allow the database user to access the data in almost an unlimited number of ways, and to combine the tables as building blocks to create complex and very large databases.

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Q:

Nucleus of Hydrogen atom consists of

A) 2 protons only B) 2 neutrons only
C) 1 proton only D) 1 electron only
 
Answer & Explanation Answer: C) 1 proton only

Explanation:

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

What kind of pet always stays on the floor?

A) Cat B) Dog
C) Carpet D) All of the above
 
Answer & Explanation Answer: C) Carpet

Explanation:

A Carpet is the pet which always stays on the floor.

Carpet_on_floor1531810151.jpg image

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Filed Under: Word Puzzles
Exam Prep: AIEEE , Bank Exams , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

In addition to nitric acid, another acid which may render iron passive is 

A) acetic acid B) oxalic acid
C) chromic acid D) citric acid
 
Answer & Explanation Answer: C) chromic acid

Explanation:

Passivity of iron is due to formation of an extremely thin and impervious film of ferrosoferric oxide Fe3O4on the surface of iron. Chromic acid, being a powerful oxidising agent (like nitric acid ) renders iron passive. 

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Filed Under: Chemistry

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Q:

Where does the chemical reactions called Mellaird reaction takes place?

Answer

In cooking

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Subject: General Science

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Q:

The function of an assembler is ________

A) To convert basic language into machine language B) To convert high level language into machine language
C) To convert assemble language into machine language D) To convert assemble language into high level language
 
Answer & Explanation Answer: C) To convert assemble language into machine language

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Who is the inventor of  printing press?

A) Johann Gutenberg B) William Lee
C) George Eastman D) R.W Thomson
 
Answer & Explanation Answer: A) Johann Gutenberg

Explanation:
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Filed Under: Inventions

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Q:

A project charter is one of the key deliverables to come from the initiation process. The project charter should by issued by 

A) one or more functional managers B) The head of the performing organization
C) A manager external to the project D) The CFO
 
Answer & Explanation Answer: C) A manager external to the project

Explanation:

The other answers could be accurate in specific situations, but their role alone does not meet the keyb criterion of being "external" to the project team. Answers A, B, and D are incorrect because these individuals are not external to the project.

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Filed Under: PMP Certification

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