An interview is a two way communication process in which a qualified interviewer asks question related to job from a prospective interviewee. A computer professional is a person who writes codes. He or she is responsible for creating computer software.
Given below are some common interview questions that come up again and again during interviews for this post.
1. What is the difference between call by value, call by reference and call by address?
In call by value a copy of the argument is passed as parameter. So the caller method and the called method are working on different sets of data. Any change in one will not affect another. In call by reference the address of an argument is passed, so any kind of modification in one will be reflected in the other. Call by address is same as call by reference.
2. What do you mean by object oriented programming?
OOP or object oriented programming is a programming paradigm that uses abstraction to create models based on the real world. It provides for better modeling of the real world by providing a much needed improvement in domain analysis and then integration with system design. OOP is about modeling the real world.
3. What is a class?
Well, it is one of the most basic questions asked by an interviewer. A class is a blueprint or prototype from which objects are created. It is a real-world object which consists of methods and data.
4. Define a Virtual Functions in class?
A virtual function is a member function of the base class and which is redefined by the derived class. These functions are resolved at run time. A virtual function is created using the keyword virtual which precedes the name of the function.
5. Please elaborate polymorphism in object oriented programming?
Polymorphism is the capability of an action or method to do different things based on the object that it is acting upon. It allows the programmer to treat derived class members just like their parent class members. It is a programming language feature that allows values of different data types to be handled using a uniform interface.
6. What do you know about our company?
A good interviewee is one who does his homework before an interview. Make a complete research of the respective company. Research as much information as possible from internet or from any other source.
These are some of the important questions that are asked in a computer interview and I am very confident my article would surely help you to answer them with great confidence.
