Hitachi Home & Life Solutions Interview Questions, Process, and Tips

My degree and
Degree related question

Q1. Self intro CV checking
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Q1. Self introduction family background
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Q2. Degree related question cat industry question
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Q3. Company related question
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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

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
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Q2. What is polymorphism
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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.
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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
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30 question of c code snippet 5 question of aptitude and 2 coding question

Q1. Storage class in c
Ans. 
Storage classes in C define the scope and lifetime of variables.
• There are 4 storage classes in C: auto, register, static, and extern.

• Auto variables are stored in memory and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed by other files.
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Q2. Mutex and semaphore
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Q1. About you and about work
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Q1. About experience
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Q2. About work details
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Q1. About way of working
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Q2. About daily basis report and working
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Q1. Automobile type
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Q2. Gear machine types
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Q3. Production productivity type
Ans. 
Production productivity type refers to the method or approach used to measure and improve productivity in a manufacturing setting.
• Different types include labor productivity, machine productivity, and overall equipment effectiveness (OEE).

• Labor productivity measures the output per worker or per labor hour.

• Machine productivity measures the output per machine or equipment.

• OEE measures the overall efficiency of a productio...read more
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Q4. Organization type
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Q1. Production productivity type
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Production productivity type refers to the method used to measure and improve efficiency in manufacturing processes.
• Different types include OEE (Overall Equipment Effectiveness), Takt time, and Cycle time

• OEE measures the percentage of planned production time that is truly productive

• Takt time is the rate at which a product must be produced to meet customer demand

• Cycle time is the total time it takes to complete a proces
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Q1. About your self
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Q2. Why should hiring you
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Q3. What is your salary expectation
Ans. 
My salary expectation is competitive and reflective of my experience and skills.
• Research industry standards for Planning Manager salaries

• Consider cost of living in the area

• Factor in my years of experience and relevant skills

• Be open to negotiation based on benefits package
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Q4. What are the data base and primary key
Ans. 
A database is a collection of organized data, and a primary key is a unique identifier for each record in a database table.
• A database is a structured collection of data that is organized for easy access, management, and retrieval.

• A primary key is a unique identifier for each record in a database table, ensuring that each record can be uniquely identified.

• For example, in a table of employee records, the employee ID coul...read more
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Q5. What is programming language
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A programming language is a formal language used to communicate instructions to a computer.
• Programming languages are used to write code that tells a computer how to perform specific tasks.

• Examples of programming languages include Java, Python, C++, and JavaScript.

• Each programming language has its own syntax and rules for writing code.

• Programmers use programming languages to create software, websites, and applications.
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Q1. Background verification
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Q2. Explain your experience in different company
Ans. 
I have over 10 years of experience working in various companies, ranging from startups to multinational corporations.
• Started my career at a small startup where I learned the importance of agility and adaptability

• Moved on to a mid-sized company where I honed my leadership skills and managed cross-functional teams

• Currently working at a multinational corporation where I have gained experience in global operations and stra
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