Technology Questions

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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0 1919
Q:

What is the Use of SPAN in HTML and give one example?

Answer

The <span> tag is used to group inline-elements in a document.


The <span> tag provides no visual change by itself.


The <span> tag provides a way to add a hook to a part of a text or a part of a document.


 


EX :


<p>My Car Color is <span style="color:blue">blue</span> </p>

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Subject: Web Technology

0 1918
Q:

Differentiate between Canvas and SVG.

Answer

Some important differences between Canvas and SVG:


- Canvas is resolution dependent while SVG is not. 


- Canvas does not provide any support for event handlers while SVG does. 


- Canvas is suitable for graphic-intensive games while SVG is not suitable for gaming.


- Canvas is suitable for small rendering areas while SVG is suitable for large rendering areas like Google maps.

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Subject: Web Technology

0 1915
Q:

What is stored in the 'this' reference?

Answer

This is a keyword and used as reference to Current object address in java. 


It means by using which object the method is called that object hashcode is stored inside the 'this'.

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Subject: Java
Job Role: Analyst

0 1915
Q:

What is the syntax to create the object?

Answer

new ClassName();


This expression creates object in heap area and returns that obj address. Here JVM creates object but JVM does not returns object original address. JVM returns duplicate address, duplicate address is also called as hashcode. 

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Subject: Java

0 1910
Q:

What are the new features provided in HTML5?

Answer

Some of the new features provided in HTML5 are:


- It provides support for local storage


- New form controls, like calendar, date, time, email, url, search


- <canvas> element is provided to facilitate 2D drawing


- The <video> and <audio> elements are provided for media playback


- New content-specific elements are provided. For e.g. <article>, <header>, <footer>, <nav>, <section>

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Subject: Web Technology

0 1909
Q:

Which of the following is NOT true about enterprise systems?

A) The software is expressly built to allow companies to mimic their unique business practices B) The software includes analytical tools to evaluate overall organization performance
C) They help firms respond rapidly to customer requests for info or products D) The data have standardized definitions and formats that are accepted by the entire organization
 
Answer & Explanation Answer: A) The software is expressly built to allow companies to mimic their unique business practices

Explanation:

Enterprise systems (ES) are large-scale application software packages that support business processes, information flows, reporting, and data analytics in complex organizations.

 

Here option A) The software is expressly built to allow companies to mimic their unique business practices is not TRUE about enterprise systems.

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Filed Under: Business Analyst
Exam Prep: Bank Exams , CAT
Job Role: Analyst , Bank Clerk , IT Trainer

0 1908
Q:

What is the difference between class selector and ID selector?

Answer

- Class selector can be given to an overall block. This is sometimes termed as block element as well, whereas ID selector identifies a unique name and a style for a specific element. 


- ID selector declares the style for only one particular element which can be differentiated from other element, whereas Class selector is being given for the whole complete block.

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Subject: Web Technology

0 1907