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Infosys System Engineer Hardware Interview Questions and Answers
55 Interview questions
Pointers are variables that store memory addresses, allowing indirect access to data in programming languages like C and C++.
Pointers can point to any data type, e.g., int*, char*, float*.
They enable dynamic memory allocation using functions like malloc() in C.
Pointers can be used to create linked data structures like linked lists.
Example: int a = 10; int* p = &a; // p now holds the address of a.
AI-ML refers to artificial intelligence and machine learning, enabling systems to learn from data and improve over time.
AI (Artificial Intelligence) simulates human intelligence in machines, while ML (Machine Learning) is a subset of AI focused on data-driven learning.
Examples of AI include virtual assistants like Siri and Alexa, which use natural language processing to understand user commands.
Machine Learning al...
I have worked on various projects, focusing on system integration, automation, and performance optimization across multiple industries.
Led a team to integrate a new cloud-based system for a financial services company, improving data accessibility by 30%.
Developed an automated monitoring system for a manufacturing plant, reducing downtime by 25% through predictive maintenance.
Collaborated with cross-functional team...
Explanation of various sorting algorithms and their time complexities
Bubble Sort - O(n^2)
Selection Sort - O(n^2)
Insertion Sort - O(n^2)
Merge Sort - O(n log n)
Quick Sort - O(n log n)
Heap Sort - O(n log n)
Radix Sort - O(nk)
Event loop in JavaScript is a mechanism that allows for asynchronous operations to be executed in a non-blocking way.
Event loop is responsible for handling asynchronous operations in JavaScript.
It allows for tasks to be queued and executed in a non-blocking manner.
Event loop continuously checks the call stack and the task queue, moving tasks from the queue to the stack when the stack is empty.
Example: setTimeout f...
PSVM stands for Parallel Support Vector Machine and SYSO stands for System Output.
PSVM is a machine learning algorithm used for classification tasks.
SYSO refers to the output generated by a system or program.
PSVM can be implemented using libraries like LIBSVM.
SYSO can include text, images, or numerical data.
Scenario Outline is a feature in Cucumber that allows for running the same test scenario with different inputs
Scenario Outline is used in Cucumber to create a template for a scenario that can be run multiple times with different inputs
It uses placeholders (e.g. ) in the scenario steps that are replaced with actual values from a data table
Each row in the data table represents a set of inputs that will be used to ru...
Use SQL query with LIMIT clause to display top 5 rows from a table.
Use SELECT statement to retrieve data from the table
Add LIMIT 5 at the end of the query to display only the top 5 rows
Abstraction in Java is the concept of hiding the implementation details and showing only the necessary features of an object.
Abstraction allows you to define the structure of an object without specifying the implementation details.
It helps in reducing complexity by hiding unnecessary details and only showing the essential parts.
Abstract classes and interfaces are used to achieve abstraction in Java.
Example: Abstra...
Different types of CSS styling include inline, internal, external, and imported stylesheets.
Inline CSS is applied directly to an HTML element using the style attribute.
Internal CSS is defined within the head section of an HTML document using the style tag.
External CSS is stored in a separate file and linked to the HTML document using the link tag.
Imported stylesheets allow for modular CSS by importing one styleshe...
Infosys System Engineer Hardware Interview Experiences
102 interviews found
Anonymous
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
Prepare with all the basic aptitude test. As I went through college placement it was smooth. From this 3/4 of the peoples are selected.
(2 Questions)
- Q1. It is both Technical and HR
- Q2. They asked whatever is mentioned the resume in detail.
Interview Preparation Tips
I applied via Campus Placement
100 mins test covered almost all the areas can get the syllabus to practice from yputube
(1 Question)
- Q1. Basics oops DSA Java SQL
Selected
I applied via Campus Placement
Speed, Distance, time
(2 Questions)
- Q1. How will you display top 5 rows from a table?
- Ans.
Use SQL query with LIMIT clause to display top 5 rows from a table.
Use SELECT statement to retrieve data from the table
Add LIMIT 5 at the end of the query to display only the top 5 rows
- Q2. What is abstraction in java?
- Ans.
Abstraction in Java is the concept of hiding the implementation details and showing only the necessary features of an object.
Abstraction allows you to define the structure of an object without specifying the implementation details.
It helps in reducing complexity by hiding unnecessary details and only showing the essential parts.
Abstract classes and interfaces are used to achieve abstraction in Java.
Example: Abstract cl...
Skills evaluated in this interview
Selected
30 minutes, basic quants
(2 Questions)
- Q1. Tell me about yourself.
- Ans.
I am a systems engineer with 5 years of experience in designing and implementing complex IT solutions.
Experienced in designing and implementing IT solutions
Proficient in various programming languages and operating systems
Skilled in troubleshooting and problem-solving
Strong communication and teamwork skills
- Q2. Why you want to join Infosys.
- Ans.
I want to join Infosys because of its reputation for innovation, global presence, and opportunities for growth.
Infosys is known for its cutting-edge technology solutions and innovation in the IT industry
I am impressed by Infosys's global presence and diverse client base
I believe that joining Infosys will provide me with opportunities for professional growth and development
I am excited about the chance to work with tale...
Selected
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
Logical, aptitude test.
(5 Questions)
- Q1. Basic questions on OOPs, Java, or any programming language, not exceeds more than 20-30 minutes
- Q2. Abstraction, Inheritance, and other OOPs concepts
- Q3. Tell me about yourself?
- Q4. Tell me about college project?
- Q5. Questions from java
Akshay Bhati
Basic coding questions
(1 Question)
- Q1. Explain event loop on Js
- Ans.
Event loop in JavaScript is a mechanism that allows for asynchronous operations to be executed in a non-blocking way.
Event loop is responsible for handling asynchronous operations in JavaScript.
It allows for tasks to be queued and executed in a non-blocking manner.
Event loop continuously checks the call stack and the task queue, moving tasks from the queue to the stack when the stack is empty.
Example: setTimeout functi...
Skills evaluated in this interview
Bhavani P
(1 Question)
- Q1. What are your strengths and weakness
- Ans.
Strengths: problem-solving, attention to detail, teamwork. Weakness: public speaking.
Strengths: problem-solving - I excel at analyzing complex systems and finding efficient solutions.
Strengths: attention to detail - I am meticulous in my work, ensuring accuracy and precision.
Strengths: teamwork - I work well with others, collaborating effectively to achieve common goals.
Weakness: public speaking - I struggle with speak...
Basic aptitude test easily available on the internet
(1 Question)
- Q1. Favorite subject
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
It was not difficult
It was little bit hard
(2 Questions)
- Q1. Explain scenario Outline
- Ans.
Scenario Outline is a feature in Cucumber that allows for running the same test scenario with different inputs
Scenario Outline is used in Cucumber to create a template for a scenario that can be run multiple times with different inputs
It uses placeholders (e.g. ) in the scenario steps that are replaced with actual values from a data table
Each row in the data table represents a set of inputs that will be used to run the...
- Q2. What is PSVM and SYSO?
- Ans.
PSVM stands for Parallel Support Vector Machine and SYSO stands for System Output.
PSVM is a machine learning algorithm used for classification tasks.
SYSO refers to the output generated by a system or program.
PSVM can be implemented using libraries like LIBSVM.
SYSO can include text, images, or numerical data.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement
Quantitative and Logical Questions
Interview Preparation Tips
What people are saying about Infosys
Infosys Interview FAQs
Some of the top questions asked at the Infosys System Engineer Hardware interview -
The duration of Infosys System Engineer Hardware interview process can vary, but typically it takes about less than 2 weeks to complete.
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