Top Technical Interview Questions and Answers to Prepare for 2025

Preparing for technical interview questions can be daunting, especially for freshers just starting their careers in the tech industry. Technical interviews aim to evaluate your problem-solving abilities, technical expertise, and quick reasoning. For many tech-related occupations, technical interviews are crucial to the recruiting process. They let employers evaluate a candidate’s technical expertise, as well as their capacity for critical thought and problem-solving.

This post will provide a thorough overview of how to prepare for a technical interview, common technical questions you could be asked, and interviewing best practices to help you succeed.

What are Technical Interview Questions?

Technical interview questions are a specific set of questions that are asked during the interview process for technical roles, such as software development engineer, web development, data science, network engineering, and other tech-heavy positions. These technical questions aim to assess a candidate’s technical knowledge, problem-solving skills, and ability to apply their expertise to real-world scenarios.

Technical Interview Questions For Freshers With Answers PDF

Depending on the job criteria and the particular function the candidate is looking for, technical interview questions may include a wide range of topics. Basic conceptual questions and complicated problem-solving situations may both be included in the questions. These questions are designed to assess the candidate’s technical knowledge in the relevant domains and decide whether they have the qualifications to succeed in the role.

What to Expect in a Technical Interview?

Technical interviews assess your programming skills, problem-solving abilities, and understanding of core computer science concepts. Here’s a breakdown of what to expect:

• Basic Programming Concepts: Be prepared to discuss variables, data types, control flow statements (if/else, loops), functions, and basic algorithms.
• Data Structures & Algorithms: Fundamental knowledge of data structures like arrays, linked lists, stacks, queues, and common algorithms (sorting, searching) is key.
• Coding Challenges: You’ll likely be presented with a coding problem to solve in a specific programming language.
• Projects & Experience: Be ready to discuss your academic projects, personal projects, or internship experiences.

Top Technical Interview Questions for Freshers (with Answers!)

Studying fundamental concepts, practicing coding, and having practical expertise with relevant tools and technologies are all necessary steps in preparing for technical interview questions. Candidates may improve their chances of getting a job by being well-prepared and showcasing their technical competence during the interview.

Let’s check out some of the frequently asked technical interview questions in top companies.

Google Technical Interview Questions 

• What is the difference between a stack and a queue?

A stack is a data structure that follows the Last In, First Out (LIFO) principle. This means that the last element that is added to the stack is the first element that is removed. A queue is a data structure that follows the First In, First Out (FIFO) principle. This means that the first element that is added to the queue is the first element that is removed.

• How would you implement a sorting algorithm?

There are many different sorting algorithms, but some of the most common ones include bubble sort, selection sort, and merge sort. Bubble sort is a simple sorting algorithm that works by repeatedly comparing adjacent elements in an array and swapping them if they are in the wrong order. Selection sort is a sorting algorithm that works by repeatedly finding the smallest element in an array and swapping it with the first element. Merge sort is a sorting algorithm that works by dividing an array in half, sorting each half recursively, and then merging the two sorted halves together.

• What is Big O notation?

Big O notation is a way of expressing the time complexity of an algorithm. It is a measure of how the running time of an algorithm grows as the size of the input grows. For example, an algorithm that has a time complexity of O(n) means that the running time of the algorithm grows linearly as the size of the input grows.

• What is the difference between procedural and object-oriented programming?

Procedural programming is a programming paradigm that focuses on breaking down a problem into a series of steps. Object-oriented programming is a programming paradigm that focuses on creating objects that represent real-world entities.

• What are some of the latest trends in technology?

Some of the latest trends in technology include artificial intelligence, machine learning, cloud computing, and big data. These trends are having a major impact on the tech industry and are creating new opportunities for developers.

Technical Round Interview Questions in Amazon

• What is the difference between a relational database and a NoSQL database?

A relational database is a database that stores data in tables. Each table is made up of rows and columns, and the data in each row is related to the data in other rows by the column values. A NoSQL database is a database that does not store data in tables. Instead, NoSQL databases store data in a variety of different ways, such as key-value pairs, documents, or graphs.

• How would you design a distributed system?

A distributed system is a system that is made up of multiple computers that are connected together. Distributed systems are often used to handle large amounts of data or to provide high availability. To design a distributed system, you need to consider factors such as scalability, fault tolerance, and performance.

• What are some of the challenges of cloud computing?

Cloud computing is a model for delivering computing services over the internet. Cloud computing offers a number of benefits, such as scalability, flexibility, and cost savings. However, there are also some challenges associated with cloud computing, such as security, compliance, and performance.

• What are some of the latest trends in cloud computing?

Some of the latest trends in cloud computing include serverless computing, containerization, and microservices. Serverless computing is a cloud computing model where the cloud provider manages the servers and the user only needs to focus on the code. Containerization is a way of packaging and deploying applications in a standardized way. Microservices is an architectural pattern where an application is composed of small, independent services.

• What are some of the best practices for cloud security?

Some of the best practices for cloud security include using strong passwords, enabling two-factor authentication, and encrypting data at rest and in transit. You should also regularly review your cloud security settings and make sure that they are up to date.

Freshers Technical Interview Questions Asked by Microsoft

• What is the difference between a .NET Framework and a .NET Core?

The .NET Framework is a set of software development tools and libraries that are used to create Windows applications. The .NET Core is a cross-platform version of the .NET Framework that can be used to create applications for Windows, macOS, and Linux.

• What is the difference between C# and Java?

C# and Java are both object-oriented programming languages. However, there are some key differences between the two languages. C# is a statically typed language, while Java is a dynamically typed language. C# is also a compiled language, while Java is an interpreted language.

• What are some of the benefits of using the Microsoft Azure platform?

The Microsoft Azure platform offers a number of benefits, including:

• Scalability
• Reliability
• Security
• Cost-effectiveness
• A wide range of services
• What is the difference between Windows and Linux?

Windows and Linux are both operating systems, but they have different underlying architectures. Windows is a proprietary operating system that is developed by Microsoft. Linux is an open-source operating system that is developed by a community of developers.

• What is the difference between a web application and a desktop application?

A web application is an application that is hosted on a web server and accessed through a web browser. A desktop application is an application that is installed on a user’s computer and accessed through the user’s desktop.

Interview Preparation for Technical Round Questions: A Step-by-Step Guide

If you’re a fresher preparing for technical interview questions, there are a few things you can do to increase your chances of success.

• Start by getting a solid foundation. This means getting acquainted with the many programming languages, data structures, and algorithms that are frequently employed in the technology sector. You can find a tonne of materials online to assist you with this.
• Exercise resolving code issues. Numerous websites present coding issues. The coding contest from Naukri Campus is one of the most popular. You may master new coding techniques and hone your problem-solving abilities by taking on these challenges.
• Examine the company’s products and website. Spend some time learning about the business and its products before your interview. This will make it easier for you to comprehend the context of the technical questions that are put to you.
• Dress appropriately. Make a good first impression by dressing appropriately for your interview. This will demonstrate to the interviewer that you’re serious about the position and that you blend well with the workplace environment.
• Be confident. The most crucial thing is to have faith in your technical skills. You won’t need to worry if you have everything ready and are knowledgeable.

Technical interview preparation calls for commitment, repetition, and a profound comprehension of fundamental ideas. You will be better prepared to ace your technical interviews by following the instructions provided in this article and being familiar with typical technical interview questions. 

The Naukri Campus Aptitude Test [NCAT] is a great way to improve your chances of success in a technical interview. It will help you identify your strengths and weaknesses, and it will allow you to practice answering questions in a timed setting.

Related Reads:

• Java Interview Questions
• IBM Interview Questions for Technical Support
• Common Behavioral Interview Questions For Freshers

FAQs on Technical Interview Questions

How do I prepare for a technical interview?

Here are some tips on how to prepare for a technical interview:

• Research the company and the role.
• Review the job description.
• Practice answering common interview questions.
• Practice coding on a whiteboard or online coding platform. 
• Be prepared to explain your thought process.

How do you solve technical interview questions?

Solving technical interview questions requires a combination of technical knowledge, problem-solving skills, and effective communication. Here are some steps to help you approach and solve technical interview questions:

• Understand the Question
• Clarify Doubts
• Break Down the Problem
• Plan Your Approach
• Start Coding and Test and Debug
• Explain Your Solution

What are technical interview skills?

Technical interview skills are the skills that are necessary to perform well in a technical interview. These skills include:

• Problem-solving skills
• Communication skills
• Coding skills
• Data structures and algorithms
• Debugging skills
• Attention to detail

How long are technical interviews?

In-person first-round interviews and technical interviews both often take 45 to 60 minutes. They could happen at any point during the recruitment process. Your technical skills will probably be put to the test at this point in the interview.

What kind of questions are asked in technical interviews?

Some of the most common technical interview questions asked are:

• Do you possess any technical credentials that would qualify you for this position?
• What has been your most fulfilling project to date? 
• Which programming languages do you use frequently?
• What procedures do you take to guarantee that project estimates are accurate?

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