Frequently Asked Computer Science Interview Questions With Answers

Frequently Asked Computer Science Interview Questions With Answers

Prepare these most asked computer science interview questions
Prepare these most asked computer science interview questions

So, you finally found your dream job and are wondering how to crack the computer science job interview, and what could be the probable Computer Science interview questions. While knowing how to answer some common interview questions is important, preparing for industry-specific questions is equally crucial to show the recruiter you understanding and knowledge of computer science and ultimately moving to the next round or securing a job offer.

Every job interview is different and the scope of a job is different too. That is why keeping that in mind, we have designed the most common computer science interview questions and answers that you should consider when preparing for a job interview.

Q1: Name some of the latest Computer Processors?

Some of the popular and latest computer processors are Intel Core i9 and AMD RyzeN 5

Q2: What is a file?

The file is a named location which stores information permanently and it always stored inside a storage device using filename like AMCAT.EXAM. Normally, a file name has a primary and secondary name separated by a “.” (Dot).

Q3: What is an operating system? Name some of the popular OS

An operating system is a software that allows the computer hardware to operate with computer software. Moreover, it provides an interface between the user and the computer system. Some of the popular operating systems are Microsoft Windows, Linux and OX.

Q4: What is an object?

To answer this question you ask the recruiter for a piece of paper and pen. Giving examples for such computer science interview questions will show the recruiter how polished your skills are.

An object is an instance of a class. For instance,

class Amcat{ —– This is a class
int a; —— This is a variable
public Amcat(); —- This is a contractor
public static void main (String args[]) ——- This is a method
Amcat a= new Amcat(); —— This is object creation where ‘a’ is the reference variable or object name

Q5: What do you know about the OSI Model?

The Open Systems Interconnection is a reference model for how applications communicate over a network. There are seven layers to the OSI model: Physical, Application, Presentation, Session, Transport, Network, and Data Link Layer.

Q6: What is chipset?

A collection of integrated circuits designed to function together as a single unit to perform a set task within a computer system is known as chipset. 

Q7: What is the different type of access modifiers?

There are four different types of access modifier

  1. Visible to the overall package. No modifier needed.
  2. Private – Visible to class only.
  3. Public – Visible to the world.
  4. Protected – Visible to package and subclass

Q8: What is the difference between system software and application software?

A software which is used for operating and communication with the computer hardware is called System software. Whereas, application software is a specific purpose software that is used by the user for performing particular tasks. The purpose of system software is to provide a platform to run application software.

Q9: Difference between overloading and overriding?

When two or more methods in the same class have the same method name but different parameters (different method signatures) is called Overloading.

On the other hand,  Overriding is when two methods have the same name and parameter but one method is from a parent class and other is from the child class.

Q10: What is the difference between the data, information, and program?

A raw and unorganised fact that required to be processed to make it useful is called Data.
On the other hand, information is a set of data which processed efficiently in a meaningful manner according to the given requirement.
Lastly, a program is a specific set of ordered operations for a computer to effectively perform.

Q11: What do you know about SDLC?

Software Development Life Cycle is a process that creates software with high quality and low cost in the shortest time. It involves many stages like planning, design, building, deployment and testing.

Q12: What do you know about software testing?

The process of executing an application with the purpose of finding software bugs or malware is called Software testing. Moreover, it is also used to validate and verify a software program. Some of the software testing types are alpha testing and beta testing.

Q13: What is the framework?

It is a platform for developing software applications that creates a foundation on which software developer can build programs for specific platforms.

For instance, a framework may include predefined classes and functions that can be used to process input, manage hardware devices and communicate with system software.

Q14: What is cryptography?

It is a way of protecting the data, information and communications through the use of codes. Moreover, cryptography makes sure that only those for whom the information is intended can read and process it.

Q15: Definition of  AI, Machine learning and Deep learning

AI or Artificial Intelligence is a broader term for attempting to make computers think and act like humans and be able to stimulate like humans and solve problems in a more effective, efficient and faster way
Now, Machine learning is a self-adaptive algorithm that gets a better analysis and patterns with experience.
On the other hand, Deep learning is a subset of machine learning and it utilizes a hierarchical level of the artificial neural network to carry out the process of Machine learning.

If you are going for a specific Computer Science or IT job then you should have enough knowledge of your field to clear the interview round. That is why before going for the job interview, make sure you have prepared answers to common interview questions.

In addition to that, when going for the job interview, make sure you are dressed for the job, have a positive body language and demonstrate great communication skills. One of the best ways to do that is by giving mock interviews at home and find out the areas where you lack. You can take help of your friends/family or Mock-AI to get valuable feedback on your interviewing skills and where you are going wrong.

Moreover, the best thing about computer science job interview is that the technical questions aren’t very unpredictable. So, a little preparation can really make a difference and get you your dream IT job.