Interview Questions

Q:

What is the purpose of creating partitions for a Windows operating system?

Answer

Creating partition may serve different purposes. The common reason is that a separate partition can be used to store data files so that when Windows needs to be reinstalled, the main partition can be formatted without fear of loosing data, which are stored on the other partition.

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Q:

Why is it that you cannot overload the scope resolution operator (::)?

Answer

The main reason why the scope resolution operator (::) cannot be overloaded is that only operators that take in values as parameters can be overloaded. The scope resolution operator does not take a value as parameter.

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Q:

What is Extractor?

Answer

Extractors is a data retrieval mechanisms in the SAP source system. Which can fill the extract structure of a data source with the data from the SAP source system datasets. The extractor may be able to supply data to more fields than exist in the extract structure.

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Subject: SAP

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Q:

What are windows object and navigator object in JavaScript?

Answer

Windows object is top level object in Java script. It contains several other objects such as, document, history, location, name, menu bar etc., in itself. Window object is the global object for Java script that is written at client-side.


Information pertaining to the client browser and system is returned by the navigator object of JavaScript. Navigator object is the top level object for all users.

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Subject: Web Technology

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Q:

In a class if private data member is declared then how to set data to that private data member?

Answer

By using method.


The method used to set the data is called setter method.

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Subject: Java

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Q:

What are the different objects used in JavaScripts?

Answer

JavaScripts uses a hierarchical structure that applies to the objects in a document. There are some objects that show the relationship of one object to another using the language.

Window object: This is the topmost object in the hierarchy. It represent the content area of browser window that consists of HTML documents. Each frame is also a window that has some actions inside it.


Document object: This object gets loaded in a window and consists of objects of different kind in the model. It consists of the content that will be written in the script.

Form object: Form objects are used for more interaction with the users. It represents the form elements inside <FORM>...</FORM> tag.

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Subject: Web Technology

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Q:

The relationship between quantity supplied and price is

A) Directly proportional B) Inverselyproportional
C) Can't be determined D) None of the above
 
Answer & Explanation Answer: A) Directly proportional

Explanation:

Price and quantity supplied move in the same direction. As the price decreases, quantity supplied also decreases and viceversa.

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Filed Under: Marketing and Sales
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

How to Add a new column to an existing table?

Answer

New column can be added using the ALTER TABLE command as shown below:
Example:
ALTER TABLE employee ADD DateOfBirth date

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Subject: Oracle

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