Technology Questions

Q:

What are storage qualifiers in C++ ?

Answer

ConstKeyword indicates that memory once initialized, should not be altered by a program.
Volatile keyword indicates that the value in the memory location can be altered even though nothing in the program.
Mutable keyword indicates that particular member of a structure or class can be altered even if a particular structure variable, class, or class member function is constant.

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Subject: C++

0 2856
Q:

Which among the following validators checks if entered data matches a specific format

A) Compare validator B) RegularExpressionValidator
C) CustomValidator D) None
 
Answer & Explanation Answer: B) RegularExpressionValidator

Explanation:

RegularExpressionValidator checks if entered data matches a specific format

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Filed Under: .NET
Job Role: Software Architect

0 2854
Q:

Which programming language was removed from the Visual Studio family when VB.net was released?

Answer

Visual Foxpro was part of Visual Studio 6.0.


It was excluded in the .Net version and was released as an independent programming language.

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Q:

What is the differences between ABAP and OOABAP. In which situation we use OOABAP?

Answer

OOABAP is used to develop BSP/PCUI applications and also anthing involved object oriented like BADIs, SmartForms..etc.where as ABAP is used to develop traditional programs in R/3.

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Subject: SAP

2 2848
Q:

What are the privacy and security features being provided by web browsers?

Answer

- Web browser supports HTTP secure method that allows more security for the sites that are involved in day to day basis transaction. 


- Security offers quick and easy way to remove the unwanted material or the things that are stored without permission like cache, cookies and history. 


- Security is being provided by the use of blockers that blocks unwanted access to the websites from the outside. 


- Web browser uses other features like disabling of JavaScript and pop up blockers to block any unwanted scripts or messages to run on the system.


- Web browser also uses the security concerns in regard of blocking the access to the secure sites that provides money transfer facilities, etc.

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Subject: Web Technology

3 2845
Q:

How does thread synchronization occurs inside a monitor?

Answer

A Monitor defines a lock and condition variables for managing concurrent access to shared data. The monitor uses the lock to ensure that only a single thread inactive in the monitor code at any time.


A monitor allows only one thread to lock an object at once.

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Subject: Java

0 2841
Q:

What command-line tool would help you discover for which port numbers your computer is listening?

Answer

netstat -n  (on Dos prompt)

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Q:

What can javascript programs do?

Answer

Generation of HTML pages on-the-fly without accessing the Web server. The user can be given control over the browser like User input validation Simple computations can be performed on the client's machine The user's browser, OS, screen size, etc. can be detected Date and Time Handling

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Subject: Web Technology

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