Technology Questions

Q:

In a class if private data member is declared then how to get value of that data member?

Answer

By using method.


The method used to get the data is called getter method.

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Subject: Java

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Q:

What is a Canvas?

Answer

Canvas is a rectangular area on a HTML page, specified with the tag <canvas>. 

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Subject: Web Technology

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Q:

What are the different new form element types in HTML 5?

Answer

These are the new form elements introduced in HTML 5:


Color


Date


Datetime-local


Email


Time


Url


Range


Telephone


Number


Search

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Q:

List the major benefits of E-commerce.

Answer

The major benefits of Ecommerce are:


- Secure       : More secure than a cheque.


- Fast           : The transactions take not more than a few seconds


- Always on  : The purchases can be made 24/7


- Convenient:  Ease of purchasing


-Reduced cost price : Reduction of Marketing and Advertising Costs

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Subject: Web Technology

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Q:

What are the ways to change the cookie setting using the web browser?

Answer

The cookie settings include the enabling and disabling of the services that are used with the web browsers.


The following steps are taken to set the cookies:


- The TOOLS menu is being opened on web browser and the privacy tab is selected from where the privacy of individual user can be managed. 


- Using the ADVANCED tab the options to set the cookies will be visible and it will allow the overriding of cookie. 


- The cookies can be accepted by checking the first party cookies or the third party cookies. Out of these choices the first party cookies provide more security. 


- Check the checkbox for "Always allow session cookies" so that the session cookies can be maintained. 

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Subject: Web Technology

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Q:

How do you parse/validate the XML document?

Answer

Parsing the XML document is the only way to validate the XML file. Validation is done by either DOM parser or the SAX parser. 

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Subject: Web Technology

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Q:

Describe Android Application Architecture.

Answer

Android Application Architecture has the following components:


> Services - like Network Operation


> Intent - To perform inter-communication between activities or services


> Resource Externalization - such as strings and graphics


> Notification signaling users - light, sound, icon, notification, dialog etc.


> Content Providers - They share data between applications

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Q:

You want only a vertical scrollbar and no horizontal scrollbar on your page. How would you do it?

Answer

- This can be done by defining the frame with SCROLLING = auto and having content to just fit into this frame. 


- SCROLLING="yes" gets the scroll bar on both the sides, even when not needed. 


- SCROLLING="no" doesn’t get the scrollbars at all, even when they are needed.


 

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