Hitachi Senior Database Developer Interview Questions and Answers

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. Questions were mainly focused on cloud and testing field
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30 questions test of aptitide online

Q1. Explain microprocessor
Ans. 
A microprocessor is a small electronic device that functions as the central processing unit of a computer.
• Microprocessors are made up of millions of transistors that perform calculations and execute instructions.

• They are commonly found in computers, smartphones, and other electronic devices.

• Examples of popular microprocessors include Intel's Core series and AMD's Ryzen series.

• Microprocessors process data and perform ta...read more
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Q2. What do you mean by iot
Ans. 
IoT stands for Internet of Things, which refers to the network of physical devices connected to the internet, allowing them to collect and exchange data.
• IoT involves connecting everyday objects to the internet to enable them to send and receive data.

• Examples of IoT devices include smart thermostats, wearable fitness trackers, and connected appliances.

• IoT technology enables automation, remote monitoring, and data analyt
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30 min 30 ques and gaming ques

Q1. What is ML and AI in your project?
Ans. 
ML and AI are used in our project to analyze user behavior and provide personalized recommendations.
• ML algorithms are used to analyze user data and predict user preferences.

• AI is used to provide personalized recommendations based on the analysis of user behavior.

• Examples include recommendation systems for e-commerce websites and personalized content suggestions on streaming platforms.
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Q2. What is lagging concept and more?
Ans. 
Lagging concept refers to a concept or idea that is behind or not up to date compared to current standards or practices.
• Refers to outdated technology or methods in software development

• Can lead to inefficiencies, bugs, or security vulnerabilities

• Examples include using deprecated libraries or not following best practices for coding
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Q1. They asked me to write simple programs in c , python ,java I wrote finally it was good
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Q2. Write basic code
Ans. 
Basic code example using an array of strings
• Declare an array of strings in the preferred programming language

• Initialize the array with some string values

• Access and manipulate elements in the array as needed
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Q3. Write simple profram
Ans. 
A simple program to print 'Hello, World!'
• Create a new file with a .py extension

• Write 'print('Hello, World!')' inside the file

• Save the file and run it using a Python interpreter
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Q4. They aasked wts ur strenth and weakness So for that i teplied my strengthis my smartwork
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Q1. List and dictionary
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Q2. Django framework
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Create applications related to ekart applications applying design pattern and OOPS concept

Q1. Puzzles and C# Eelated questions
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Q2. What is new in C# 10
Ans. 
C# 10 introduces new features like file-scoped namespaces, global using directives, and interpolated string handlers.
• File-scoped namespaces allow defining namespaces at the file level instead of wrapping everything in a namespace block.

• Global using directives simplify the process of importing namespaces across the entire project.

• Interpolated string handlers provide a way to customize how interpolated strings are proces
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Q1. Just salary discussion
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Aptitude test, was quite easy. next was hr round.

Q1. What are your future goals?
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Q2. What are your future goals
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Q3. What are your future goalss
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Q4. Any questions for me?
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