Helios The Watch Store HR Executive Interview Questions and Answers

Q1. Tell me smthng about yourself
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Q2. Why did u left your last job
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Q1. Specific to the study and daily life
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Q1. Be well-versed with C, SDLC and protocol standards
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Q1. Storage classes, Volatile, Programs on arrays
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Q2. Describe my project
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Q3. SDLC in general
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SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• SDLC consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables to ensure the software meets the requirements and quality standards.

• Examples of SDLC models include...read more
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Q4. CAN protocol functionality
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CAN protocol is a communication standard used in automotive and industrial applications.
• CAN protocol stands for Controller Area Network

• It is a message-based protocol used for communication between electronic control units (ECUs)

• CAN protocol allows for high-speed communication and real-time data transmission

• It is commonly used in automotive applications for functions such as engine control, transmission control, and bod...read more
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Intermediate Aptitude Questions

Q1. SQL Question on JOINS
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Q2. OOPS Definitions
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Q1. Self introduction
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3 Coding questions none from leetcode or any standard question, all competitive programming questions

Q1. Given n-nary tree, find the number of pairs of nodes such that neither of the nodes in the formed pair are each others ancestors.
Ans. 
Count the number of pairs of nodes in an n-nary tree where neither node is the ancestor of the other.
• Traverse the tree and for each node, find the number of descendants in its subtree.

• For each node, the total pairs excluding its descendants will be the product of the number of descendants in its subtree.

• Sum up the total pairs for all nodes in the tree to get the final count.
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Q1. How indexing works internally?
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Indexing in databases is a way to optimize search queries by creating a data structure that allows for faster retrieval of data.
• Indexing creates a data structure (like B-trees or hash tables) that maps keys to the locations of corresponding data entries.

• When a query is made, the database engine uses the index to quickly locate the relevant data entries instead of scanning the entire database.

• Indexes can be created on o...read more
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Q1. Intoduce yourself
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I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java and Python programming languages

• Proficient in web development technologies such as HTML, CSS, and JavaScript

• Strong problem-solving skills and ability to work in a team environment
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Q2. Your Projects
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Developed a web application for tracking personal fitness goals
• Used React.js for front-end development

• Implemented RESTful APIs for data retrieval and storage

• Utilized MongoDB for database management
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