IT Trainer Questions


Q:

What do you mean by friend function in C++ ?

Answer

Friends can be either functions or other classes. The class grants friends unlimited access privileges.

* The declaration of the function should be preceded by the keyword 'friend'.
* The function definition will not use the keyword or the scope operator '::'.


Thus, a friend function is an ordinary function or a member of another class.

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Q:

Which of the following memory is volatile?

A) RAM B) Floppy disc
C) ROM D) Magnetic tape
 
Answer & Explanation Answer: A) RAM

Explanation:

Volatile memory is computer memory that requires power to maintain the stored information. It is a temporary memeory which cannot contain information permanently.

Example :: RAM or Random Access Memory

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Q:

Grand Central Terminal Park Avenue is the world's

A) smallest railway station B) largest railway station
C) longest railway station D) None of above
 
Answer & Explanation Answer: B) largest railway station

Explanation:

Grand Central Terminal also referred to as Grand Central Station or Grand Central is the world’s largest railway station in terms of platforms in New York City with 44 platforms covering 48 acres.

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Q:

What is C-Sharp (C#) and its advantages ?

Answer

C# is a type-safe, managed and object oriented language, which is compiled by .Net framework for generating intermediate language (IL).


Below are some of the features supported in C# -
* Constructors and Destructors
* Properties
* Passing Parameters
* Arrays
* Main
* XML Documentation and
* Indexers


Below are the advantages of C# -


* Easy to learn
* Object oriented
* Component oriented
* Part of .NET framework

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Subject: .NET
Job Role: IT Trainer , Analyst

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Q:

GNLF stands for

A) Gorkha National Liberation Front B) Gross National Liberation Form
C) Both option A and B D) None of the above
 
Answer & Explanation Answer: A) Gorkha National Liberation Front

Explanation:

GNLF stands for Gorkha National Liberation Front.

 

Gorkha National Liberation Front (GNLF) is a political party in the Darjeeling District of West Bengal, India. It was formed in 1980 by Subhash Ghisingh with the objective of demanding a Gorkhaland state within India.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

Chinese writers mention India by the name of

A) Yin-tu B) Si-Yu-Ki
C) Sikia-Pono D) Fo-Kwo-Ki
 
Answer & Explanation Answer: A) Yin-tu

Explanation:

The Chinese writers mention India by the name of "Yin-tu".

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Q:

What is JSON ?

Answer

* JSON full form is JavaScript Object Notation.
* JSON is a lightweight text-based open standard designed for human-readable data interchange.
* It is derived from the JavaScript programming language for representing simple data structures and associative arrays, called objects.
* And JSON is language-independent, with parsers available for virtually every programming language.
* Uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python,php
* The JSON format is often used for serializing and transmitting structured data over a network connection.
* When third party data interchane(REST Services) then JSON may used there LIKE SHOP.
* It is primarily used to transmit data between a server and web application, serving as an alternative to XML.


 

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Q:

If a Siren sounds for every 5 seconds, how many times will it sound in ¾ of an hour?

A) 541 times B) 540 times
C) 450 times D) 275 times
 
Answer & Explanation Answer: A) 541 times

Explanation:

There are 60 minutes in an hour.

In ¾ of an hour there are (60 × ¾) minutes = 45 minutes.

In ¾ of an hour there are (60 × 45) seconds = 2700 seconds.

Siren sounds for every 5 seconds.

In 2700 seconds = 2700/5 = 540 times.

The count start after the first sound, the Siren will sound 541 times in ¾ of an hour.

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Filed Under: Clock puzzles
Exam Prep: GRE , GATE , CAT , Bank Exams
Job Role: Project Manager , IT Trainer , Bank PO , Bank Clerk

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