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Hitachi Intern Interview Questions and Answers
Hitachi Intern Interview Experiences
2 interviews found
Anonymous
I applied via Referral and was interviewed in Nov 2024. There were 3 interview rounds.
There were 4 sections and first one was quant, second one was logical, third was English and finally 3 coding questions in last section
4 codes and 5 technical questions
(3 Questions)
- Q1. Explain multi threading
- Ans.
Multi threading is the ability of a CPU to execute multiple threads concurrently.
Allows for parallel execution of tasks, improving performance
Each thread has its own stack and runs independently
Threads can communicate and synchronize using shared memory
Examples: running multiple tasks simultaneously in a web server, processing data in parallel
- Q2. What is polymorphism
- Ans.
Polymorphism is the ability of a single function or method to operate on different types of data.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types.
Examples include method overloading and method overriding in object-oriented programming.
- Q3. Diff b/w inner and outer joins
- Ans.
Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
Inner join: returns rows with matching values in both tables
Outer join: returns all rows from both tables, with NULL values where there is no match
Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table
Interview Preparation Tips
- Java
- Web Technologies
- Threads
- OOPS
Topic given you need to stand out
Case study given regarding marketing opportunity
(1 Question)
- Q1. Interview taken
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I was interviewed in Dec 2016.
Interview Questionnaire
1 Question
- Q1. Basics questions from thermodynamics were asked. But I was unable to solve deflection problem in Strength of material
Interview Preparation Tips
Experience: Quantitative analysis questions were easy but technical questions were hard enough. I had cleared the Aptitude test
Tips: Go through the basics of each subject in your respective branch.
Duration: 1 hour 30 minutes
Total Questions: 100
Round: Group Discussion
Experience: We were given 5 minutes for preparation and then discussion started. I made a mistake by cross questioning the people in my group, but still i got selected
Tips: Try to start the discussion or try to give the conclusion.
Duration: 10 minutes
Round: Technical Interview
Experience: I did not get selected for next round
College Name: Sinhgad College Of Engineering (SCOE)
I was interviewed in Sep 2017.
Interview Questionnaire
2 Questions
- Q1. Sorting algorithm
- Ans.
A sorting algorithm is a method of arranging elements in a specific order.
Sorting algorithms can be categorized as comparison-based or non-comparison-based.
Common sorting algorithms include bubble sort, insertion sort, selection sort, merge sort, quicksort, and heapsort.
Efficiency of sorting algorithms is measured by their time complexity, space complexity, and stability.
Example: Sorting an array of strings in alphabet
- Q2. Intro, why should i hire you?, inspiration from?
Interview Preparation Tips
Experience: An online aptitude test was taken.
Tips: Should have the knowledge regarding technical.
Duration: 1 hour
Total Questions: 45
Round: Technical Interview
Experience: Should explain the interviewer each and every detail regarding that algorithm.
Tips: Should have basic knowledge about the subject mentioned in the Area of interest column.
Round: HR Interview
Experience: Just be confident. And always praise yourself.
Skills: Technical Skill, Inter Person Communication Skills
College Name: Mody University Of Science And Technology, Sikar
Skills evaluated in this interview
Suraj Pawar
(2 Questions)
- Q1. Project based questions?
- Q2. Why to Join Emerson?
- Ans.
Emerson offers a dynamic work environment, opportunities for growth, and a commitment to innovation.
Emerson provides a collaborative work culture that encourages creativity and problem-solving.
The company offers various training and development programs to help interns enhance their skills.
Emerson is known for its cutting-edge technology and commitment to sustainability.
Interns at Emerson have the opportunity to work o...
I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.
(1 Question)
- Q1. How well do you work with a team?
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.
It was a combination of Maths and Electronics basics.
(2 Questions)
- Q1. Introduce yourself?
- Ans.
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
Recent graduate with a degree in Computer Science
Passionate about coding and problem-solving
Strong communication and teamwork skills
- Q2. Tell me about your projects?
- Ans.
I have worked on various projects including a web development project, a data analysis project, and a machine learning project.
Developed a website for a local business using HTML, CSS, and JavaScript.
Conducted data analysis on customer feedback data to identify trends and make recommendations for improvement.
Implemented a machine learning algorithm to predict customer churn for a telecom company.
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed before May 2023. There was 1 interview round.
(1 Question)
- Q1. Tell me about your college experience
Interview Preparation Tips
I applied via LinkedIn and was interviewed before Sep 2021. There were 2 interview rounds.
Conversation about my experience
Interview Preparation Tips
It was easy and few topics related to communication
(2 Questions)
- Q1. Moderate questions
- Q2. About projects and analog questions
(2 Questions)
- Q1. Was moderate and some technical questions
- Q2. Technical and hr questions
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