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Most Commonly Asked Job Interview Questions And Answers

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'Qinterview.com' is an educational content web site dedicated to finding and realizing interview question For fresher and experience. We are provide best interview question which commonly asking interview.so you can prepare your interview perfect and get your dream job. Also you can share your interview question with us.which question in your interview. We are provide engineering interview questions and answers.computer science student can prepare interview. We have all programming interview questions.user can give a correct answers. Technical and non-technical question normally asking in fresher and experience job interviews. Student and fresher have no idea about interviews.they can't preparation that.here frequency asking question with answers. best interview question with proper answers.technical interview preparation with best answers. The aim of this site is to help Engineers successfully prepare for technical interviews. We do this by presenting a variety of questions, grouped by subject matter. This site is a great question resource for any level of Engineers – Whether you are an entry level fresher just starting out your career, or an experienced senior level programmer who is looking for more advanced questions, Core java,JAVA,.NET,ASP.NET,VB .NET,PHP,IPHONE,ANDROID,JSP,SERVLET,HTML,CSS interview questions and answers.













Latest Interview Questions and Answers


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Mention what is the default URL pattern used in CodeIgniter framework?

CodeIgniter framework URL has four main components in default URL pattern. First we have the server name and next we have the controller class name followed by controller function name and function parameters at the end. CodeIgniter can be accessed u... view more
submited by :- jayvik on 2016-05-30 06:21:36

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Explain how you can extend the class in CodeIgniter?

To extend the native input class in CodeIgniter, you have to build a file named application/core/MY_Input.php and declare your class withClass MY_Input extends CI_Input {}... view more
submited by :- jayvik on 2016-05-30 06:20:57

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views 363

Explain what is inhibitor in CodeIgniter?

 For CodeIgniter, inhibitor is an error handler class, using the native PHP functions like set_exception_handler, set_error_handler, register_shutdown_function to handle parse errors, exceptions, and fatal errors.... view more
submited by :- jayvik on 2016-05-30 06:20:20

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views 376

How you will use or add CodeIgniter libraries?

All of the available libraries are located in your system/libraries folder. In most cases, to use one of these classes involves initializing it within a controller using the following initialization function:$this->load->library('class name');... view more
submited by :- jayvik on 2016-05-30 06:19:47

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Explain how you can link images/CSS/JavaScript from a view in CodeIgniter?

 In HTML, there is no CodeIgniter way, as such it is a PHP server side framework. Just use an absolute path to your resources to link images/CSS/JavaScript from a view in CodeIgniter/css/styles.css/js/myscript.js/images/hello.jpg... view more
submited by :- jayvik on 2016-05-30 06:19:04

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views 339

Mention what are the security parameter for XSS in CodeIgniter?

CodeIgniter has got a cross-site scripting hack prevention filter. This filter either runs automatically or you can run it as per item basis, to filter all POST and COOKIE data that come across. The XSS filter will target the commonly used methods to... view more
submited by :- jayvik on 2016-05-30 06:18:12

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views 306

Explain how you can prevent CodeIgniter from CSRF?

There are several ways to protect CodeIgniter from CSRF, one way of doing is to use a hidden field in each form on the website. This hidden field is referred as CSRF token. It is nothing but a random value that alters with each HTTP request sent. As ... view more
submited by :- jayvik on 2016-05-30 06:17:40

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views 310

What are the helpers in CodeIgniter?

Helpers, as the name suggests, help you with tasks. Each helper file is simply a collection of functions in a particular category. There are URL Helpers, that assist in creating links, there are Form Helpers that help you create form elements, Text H... view more
submited by :- jayvik on 2016-05-30 06:17:07

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views 334

List out different types of hook point in CodeIgniter?

Different types of hook point in CodeIgniter includes:post_controller_constructorpre_controllerpost_sytempre_systemcache_overridedisplay_overridepost_controller... view more
submited by :- jayvik on 2016-05-30 06:16:02

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views 216

Why is there a need to configure the URL routes?

Changing the URL routes has some benefits like:From SEO point of view, to make URL SEO friendly and get more user visits.Hide some URL element such as a function name, controller name, etc. from the users for security reasons.Provide different functi... view more
submited by :- jayvik on 2016-05-30 06:15:28

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views 210

Explain how you will load or add a model in CodeIgniter?

 Within your controller functions, models will typically be loaded.You will use the function:$this->load->model ('Model_Name');... view more
submited by :- jayvik on 2016-05-30 06:14:53

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views 214

Explain what helpers in CodeIgniter are and how you can load a helper file?

In CodeIgniter, helpers are group of function in a particular category that assist you to perform specific functions. In CodeIgniter, you will find many helpers like URL helpers- helping in creating links, Text helpers- perform various text formattin... view more
submited by :- jayvik on 2016-05-30 06:14:07

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views 251

How you will work with error handling in CodeIgniter?

CodeIgniter lets you build error reporting into your applications using the functions:show_error(): This function will display the error message supplied to it using template application/errors/error_general.php.show_404(): Function will display the ... view more
submited by :- jayvik on 2016-05-30 06:13:26

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views 225

Explain what are hooks in CodeIgniter?

CodeIgniter’s hooks feature provides a way to change the inner working of the framework without hacking the core files. In other word, hooks allow you to execute a script with a particular path within the CodeIgniter.Usually, it is defined in appli... view more
submited by :- jayvik on 2016-05-30 06:12:20

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views 219

Explain routing in CodeIgniter?

In CodeIgniter, the way PHP files served is different rather than accessing it directly from the browser. This process is called routing. Routing in CodeIgniter gives you freedom to customize the default URL pattern to use our own URL pattern accordi... view more
submited by :- jayvik on 2016-05-30 06:11:20

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views 216

Explain how you can enable CSRF (Cross Site Request Forgery) in CodeIgniter?

You can activate CSRF (Cross Site Request Forgery) protection in CodeIgniter by operating your application/config/config.php file and setting it to:$config['csrf_protection'] = TRUE;If you avail the form helper, the form_open() function will insert a... view more
submited by :- jayvik on 2016-05-30 06:10:43

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views 236

Explain MVC in CodeIgniter.

Model–View–Controller (MVC) is an architecture that separates the representation of information from the user’s interaction with it.Controller: The Controller serves as an intermediary between the Model, the View. controller mediates input, con... view more
submited by :- jayvik on 2016-05-30 06:09:44

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views 337

What are the features of CodeIgniter?

Below is the list of features of CodeIgniter:It is free to use as for open source framework.It is light weight. The core system requires only a few very small libraries. Not like other frameworks that require heavy file libraries.CodeIgniter is Fast.... view more
submited by :- jayvik on 2016-05-30 06:08:28

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views 215

What is current version of CodeIgniter?

CodeIgniter 3.0.6 is the current version of the framework as of April, 2016. CodeIgniter 2.2.6 is the legacy version of the framework.... view more
submited by :- jayvik on 2016-05-30 06:07:27

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views 223

What is the goal of CodeIgniter?

The goal is to enable you to develop projects with much faster than you could if you were writing code from scratch by providing a rich set of libraries for commonly needed tasks as well as a simple interface and logical structure to access these lib... view more
submited by :- jayvik on 2016-05-30 06:06:38


Popular Interview Questions and Answers


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Explain the steps involved in demodulating a signal.

Once the signal is coded, modulated and then sent, the receiver must demodulate the signal. This is usually done in two steps :1. Spectrum spreading (e.g., direct sequence or frequency hopping) modulation is removed.2. The remaining information beari... view more
submited by :- on 2013-05-06 19:13:47

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views 2121

What are the advantages and disadvantages of Cascading Style Sheets?

External Style SheetsAdvantagesCan control styles for multiple documents at once. Classes can be created for use on multiple HTML element types in many documents.Selector and grouping methods can be used to apply styles under complex contextsDisadvan... view more
submited by :- on 2013-07-08 17:52:43

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views 2012

What is PHP's mysqli Extension?

The mysqli extension, or as it is sometimes known, the MySQL improvedextension, was developed to take advantage of new features found in MySQLsystems versions 4.1.3 and newer. The mysqli extension is included with PHPversions 5 and later.The mysqli e... view more
submited by :- on 2013-10-04 10:58:35

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answers 3
views 2009

When during the page processing cycle is ViewState available?

The view state is available after the Init() and before the Render() methods are called during Page load.C# .net interview question for fresher and experiences.... view more
submited by :- on 2013-05-30 14:59:49

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views 1950

What is analog-to-digital conversion of signals?

A discrete-time signal is defined by specifying its value only at discrete times, called sampling instants. When the sampled values are quantised and encoded, a digital signal is obtained. A digital signal is obtained from the analog signal by using ... view more
submited by :- on 2013-05-06 19:22:20

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votes 2
answers 3
views 1895

How does Java implement polymorphism?

(Inheritance, Overloading and Overriding are used to achieve Polymorphism in java).Polymorphism manifests itself in Java in the form of multiple methods having the same name. In some cases, multiple methods have the same name, but different formal... view more
submited by :- on 2013-04-19 15:03:17

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what are magic methods?

Magic methods are the members functions that is available to all the instance of class Magic methods always starts with __. Eg. __construct All magic methods needs to be declared as public To use magic method they should be defined within the class... view more
submited by :- on 2013-07-15 11:51:47

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views 1634

Why should we hire you?

Create your answer by thinking in terms of your ability, your experience, and your energy.The deadliest answer you can give is “Because I like people.” What else would you like-animals?Here, and throughout the interview, a good answer comes from ... view more
submited by :- on 2013-04-22 14:40:34

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answers 1
views 1486

What is Cookies in ASP?

A cookie is small text file is created in users computer, ASP pages store and retrieve cookie value to and from user system. You can use Response.Cookies(key)=value to create cookie and value=Request.Cookies(key) to retrive the value.asp .net int... view more
submited by :- on 2013-05-25 15:13:47

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answers 1
views 1480

What is Polymorphism?

Polymorphism is briefly described as one interface, many implementations. Polymorphism is a characteristic of being able to assign a different meaning or usage to something in different contexts - specifically, to allow an entity such as a variable... view more
submited by :- on 2013-04-19 14:58:41

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views 1463

What are the various types of numbers for network identity?

Various types of number for network identity are as follows :1. MSISDN ( Mobile station ISDN) Number : It is international mobile subscriber number which is normally called mobile number. It is unique worldwide.2. MSRN ( Mobile Subscriber Routing Num... view more
submited by :- on 2013-05-06 19:17:36

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views 1419

What is the difference between Critical Speed and Whirling Speed?

In Solid mechanics, in the field of rotor dynamics, the critical speed is the theoretical angular velocity which excites the natural frequency of a rotating object, such as a shaft, propeller or gear. As the speed of rotation approaches the objects n... view more
submited by :- jayvik on 2014-10-14 06:08:49

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views 1417

What is the difference between abstraction and encapsulation?

Abstraction focuses on the outside view of an object (i.e. the interface) Encapsulation (information hiding) prevents clients from seeing it’s inside view, where the behavior of the abstraction is implemented.Abstraction solves the problem in the d... view more
submited by :- on 2013-04-19 14:56:30

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views 1392

List some advantages of GSM.

Here are some advantages of GSM :1. GSM is mature, this maturity means a more stable network with robust features.2. Less signal deterioration inside buildings.3. Ability to use repeaters.4. Talk time is generally higher in GSM phones due to pulse na... view more
submited by :- on 2013-05-06 19:17:04

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views 1375

in PHP for pdf which library used?

The PDF functions in PHP can create PDF files using the PDFlib library With version 6, PDFlib offers an object-oriented API for PHP 5 in addition to the function-oriented API for PHP 4. There is also the » Panda module. FPDF is a PHP class which a... view more
submited by :- on 2013-07-15 11:50:02

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views 1304

Can the view state be encrypted?

The view state can be encrypted by setting EnableViewStateMac to true and either modifying the <machineKey> element in Machine.config to <machineKey validation=3DES” /> or by adding the above statement to Web.config.C# .net interview q... view more
submited by :- on 2013-05-30 14:59:10

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views 1292

What are the principle concepts of OOPS?

There are four principle concepts upon which object oriented design and programming rest. They are:AbstractionPolymorphismInheritanceEncapsulation... view more
submited by :- on 2013-04-19 14:39:50

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views 1278

What happens when you send autorelease or retain message to autorelease pool?

NSAutoreleasePool  *autoRelease =[ [[ NSAutoreleasePool alloc] init] autorelease]; or NSAutoreleasePool  *autoRelease =[ [[ NSAutoreleasePool alloc] init] retain];objective c iphone 1 year experiences interview question.... view more
submited by :- on 2013-05-07 11:45:42

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views 1259

How can we know the number of days between two given dates usingMySQL?

How can we know the number of days between two given dates usingMySQL?interview question fresher.... view more
submited by :- on 2013-07-08 18:04:02

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views 1241

What do you find most attractive about this position?

List three or four attractive factors of the job, and mention a single, minor, unattractive item.Common ask HR interview Question Answer... view more
submited by :- on 2013-04-22 14:37:54


Hot Interview Questions and Answers


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views 1160

What is Inheritance?

Inheritance is the process by which objects of one class acquire the properties of objects of another class. A class that is inherited is called a superclass. The class that does the inheriting is called a subclass. Inheritance is done by using... view more
submited by :- on 2013-04-19 14:57:50

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votes 2
answers 3
views 1895

How does Java implement polymorphism?

(Inheritance, Overloading and Overriding are used to achieve Polymorphism in java).Polymorphism manifests itself in Java in the form of multiple methods having the same name. In some cases, multiple methods have the same name, but different formal... view more
submited by :- on 2013-04-19 15:03:17

favorite 1
votes 1
answers 0
views 1634

Why should we hire you?

Create your answer by thinking in terms of your ability, your experience, and your energy.The deadliest answer you can give is “Because I like people.” What else would you like-animals?Here, and throughout the interview, a good answer comes from ... view more
submited by :- on 2013-04-22 14:40:34

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votes 1
answers 0
views 1113

How long would you stay with us?

Say that you are interested in a career with the organization, but admit that you would have to continue to feel challenged to remain with any organization. Think in terms of, “As long as we both feel achievement-oriented.”Best HR Inreview questi... view more
submited by :- on 2013-04-23 11:07:07

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votes 1
answers 0
views 1278

What happens when you send autorelease or retain message to autorelease pool?

NSAutoreleasePool  *autoRelease =[ [[ NSAutoreleasePool alloc] init] autorelease]; or NSAutoreleasePool  *autoRelease =[ [[ NSAutoreleasePool alloc] init] retain];objective c iphone 1 year experiences interview question.... view more
submited by :- on 2013-05-07 11:45:42

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votes 1
answers 0
views 1166

What is intent?

A class (Intent) describes what a caller desires to do. The caller sends this intent to Android's intent resolver, which finds the most suitable activity for the intent. E.g. opening a PDF file is an intent, and the Adobe Reader is the suitable activ... view more
submited by :- on 2013-07-19 06:58:21

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votes 1
answers 0
views 1121

Session state vs. View state:

In some cases, using view state is not feasible. The alternative for view state is session state. Session state is employed under the following situations:Large amounts of data - View state tends to increase the size of both the HTML page sent to the... view more
submited by :- on 2013-05-30 14:55:54

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votes 1
answers 0
views 1304

Can the view state be encrypted?

The view state can be encrypted by setting EnableViewStateMac to true and either modifying the <machineKey> element in Machine.config to <machineKey validation=3DES” /> or by adding the above statement to Web.config.C# .net interview q... view more
submited by :- on 2013-05-30 14:59:10

favorite 0
votes 1
answers 3
views 2009

When during the page processing cycle is ViewState available?

The view state is available after the Init() and before the Render() methods are called during Page load.C# .net interview question for fresher and experiences.... view more
submited by :- on 2013-05-30 14:59:49

favorite 0
votes 1
answers 0
views 1292

What are the principle concepts of OOPS?

There are four principle concepts upon which object oriented design and programming rest. They are:AbstractionPolymorphismInheritanceEncapsulation... view more
submited by :- on 2013-04-19 14:39:50

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answers 0
views 1170

What is Abstraction?

Abstraction refers to the act of representing essential features without including the background details or explanations.... view more
submited by :- on 2013-04-19 14:54:00

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views 1102

What is Encapsulation?

Encapsulation is a technique used for hiding the properties and behaviors of an object and allowing outside access only as appropriate. It prevents other objects from directly altering or accessing the properties or methods of the encapsulated object... view more
submited by :- on 2013-04-19 14:55:19

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votes 0
answers 1
views 1417

What is the difference between abstraction and encapsulation?

Abstraction focuses on the outside view of an object (i.e. the interface) Encapsulation (information hiding) prevents clients from seeing it’s inside view, where the behavior of the abstraction is implemented.Abstraction solves the problem in the d... view more
submited by :- on 2013-04-19 14:56:30

favorite 0
votes 0
answers 1
views 1480

What is Polymorphism?

Polymorphism is briefly described as one interface, many implementations. Polymorphism is a characteristic of being able to assign a different meaning or usage to something in different contexts - specifically, to allow an entity such as a variable... view more
submited by :- on 2013-04-19 14:58:41

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votes 0
answers 0
views 1237

Tell me about yourself?

Since this is often the opening question in an interview, be extra careful that you don’t run off at the mouth. Keep your answer to a minute or two at most. Cover four topics: early years, education, work history, and recent career experience. Emph... view more
submited by :- on 2013-04-21 14:50:24

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views 910

What do you know about our organization?

You should be able to discuss products or services, revenues, reputation, image, goals, problems, management style, people, history and philosophy. But don’t act as if you know everything about the place. Let your answer show that you have taken th... view more
submited by :- on 2013-04-21 14:52:11

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answers 0
views 910

Why do you want to work for us?

The deadliest answer you can give is “Because I like people.” What else would you like-animals?Here, and throughout the interview, a good answer comes from having done your homework so that you can speak in terms of the company’s needs. You mig... view more
submited by :- on 2013-04-21 14:53:22

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views 930

What can you do for us that someone else can’t?

Here you have every right, and perhaps an obligation, to toot your own horn and be a bit egotistical. Talk about your record of getting things done, and mention specifics from your resume or list of career accomplishments. Say that your skills and in... view more
submited by :- on 2013-04-22 14:36:53

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answers 0
views 1241

What do you find most attractive about this position?

List three or four attractive factors of the job, and mention a single, minor, unattractive item.Common ask HR interview Question Answer... view more
submited by :- on 2013-04-22 14:37:54

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votes 0
answers 0
views 1178

What do you look for in a job?

Keep your answer oriented to opportunities at this organization. Talk about your desire to perform and be recognized for your contributions. Make your answer oriented toward opportunity rather than personal security.Common ask HR interview Question A... view more
submited by :- on 2013-04-22 14:41:08


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