HP India Software Developer Intern Interview Questions and Answers

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

• Auto variables are local to the block they are declared in and are automatically destroyed when the block exits.

• 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 funct
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Q2. Name the storage classes and explain the uses
Ans. 
Storage classes in C are auto, register, static, and extern. They control the scope and lifetime of variables.
• Auto - default storage class for local variables, stored in stack memory

• Register - stored in CPU registers for faster access

• Static - retains its value between function calls, stored in data segment

• Extern - used to access global variables across multiple files
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Tell about AC industry

Q1. Move zeros to end?
Ans. 
Move all zeros in an array of strings to the end while maintaining the order of non-zero elements.
• Iterate through the array and move all zeros to the end while keeping the order of non-zero elements.

• Use two pointers approach to swap elements in-place.

• Example: Input: ['a', 'b', 'c', '0', 'd', '0'], Output: ['a', 'b', 'c', 'd', '0', '0']
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Q2. WHat are AWS services?
Ans. 
AWS services are cloud computing services provided by Amazon Web Services.
• Compute services (e.g. EC2, Lambda)

• Storage services (e.g. S3, EBS)

• Database services (e.g. RDS, DynamoDB)

• Networking services (e.g. VPC, Route 53)

• Machine learning services (e.g. SageMaker)

• Analytics services (e.g. Redshift, Athena)
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Q3. What is dynamodb?
Ans. 
DynamoDB is a fully managed NoSQL database service provided by AWS.
• Fully managed NoSQL database service

• Scalable and high-performance

• Supports key-value and document data models

• Automatically replicates data across multiple Availability Zones for high availability
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Q1. How good are you at stress handling situations?
Ans. 
I am very good at handling stress situations, remaining calm and focused under pressure.
• I have experience working on high-pressure projects with tight deadlines.

• I am able to prioritize tasks effectively and stay organized during stressful situations.

• I have developed strong problem-solving skills that help me navigate stressful scenarios.

• I am able to communicate effectively with team members and stakeholders to manage s...read more
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Q2. Why daikin eloaborate this?
Ans. 
Daikin may elaborate on a topic to provide more detailed information or explanation.
• To provide a better understanding of a complex concept or product

• To address potential questions or concerns from customers

• To showcase the company's expertise and knowledge in the industry
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3h test with 1question

Q1. Realted to oa and virtual function
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Q1. Normal hr and puzzle
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A collection of questions based on C/C++ programming language and Object-Oriented Programming (OOP) concepts.

Q1. Find the frequency of each digit or character in the given number or string and print each uniquely.
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Q2. Implement a linked list
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Q3. 5 to 10 oops questions
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Q4. 2-3 Basic OS questions
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Q1. Compilation stages of c++
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Q2. Coding good practices
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3hrs of test 1Question was given.

Q1. Question related to recurrsion and sudoku question.
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C programming
Cpp programs
Embedded c
Aptitude

Q1. Difference between macro and functions
Ans. 
Macros are preprocessor directives that are replaced before compilation, while functions are blocks of code that are executed at runtime.
• Macros are defined using #define directive, while functions are defined using function keyword.

• Macros are expanded by the preprocessor before compilation, while functions are executed at runtime.

• Macros can be used for simple text replacement, while functions can perform complex operat...read more
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Q2. Difference between exec and fork
Ans. 
exec replaces the current process with a new one, while fork creates a new process.
• exec replaces the current process with a new one, while fork creates a new process

• exec system call loads a new program into the current process's memory space and starts its execution

• fork system call creates a new process by duplicating the existing process
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Q1. About yourself in 200 words
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Q2. Tell about our company
Ans. 
Your company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of experienced developers

• Provides excellent customer support
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