Lenovo Web Developer Interview Questions and Answers

Round duration - 90 Minutes
Round difficulty - Medium

It was in the morning at our institute. There were technical and aptitude problems.

Q1. 
Star Pattern Generation
Develop a function to print star patterns based on the given number of rows 'N'. Each row in the pattern should follow the format demonstrated in the example.
The picture illustra...read more
Ans. 
Function to print star patterns based on the given number of rows 'N'.
• Iterate through each row from 1 to N

• For each row, print spaces (N-row) followed by stars (2*row-1)

• Repeat until all rows are printed
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Round duration - 30 Minutes
Round difficulty - Medium

It was actually a Techno HR round. I was asked some technical questions about OS, OOPS, COMPUTER NETWORKING, WEB DEVELOPMENT. He went through my whole resume, asked about all the projects and past working experiences. The interviewer was really good, we talked about so many other topics, from Women empowerment to Water Crises. I felt really confident while speaking because he made me so comfortable.

Q1. 
Selection Sort Algorithm
Selection sort is a sorting technique that works by repeatedly finding the minimum element (considering ascending order) from the unsorted part and placing it at the beginning of ...read more
Ans. 
Selection Sort Algorithm sorts an array by repeatedly finding the minimum element and placing it at the beginning of the unsorted part.
• Iterate through the array to find the minimum element and swap it with the first unsorted element.

• Repeat this process for each element in the array until it is fully sorted.

• Time complexity of Selection Sort is O(n^2) making it inefficient for large arrays.
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Colorful Knapsack Problem
You are given a set of 'N' stones, each with a specific weight and color. The goal is to fill a knapsack with exactly 'M' stones, choosing one stone of each color, so that the to...read more
Ans. 
The goal is to fill a knapsack with exactly 'M' stones, choosing one stone of each color, minimizing the unused capacity.
• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to keep track of the minimum unused capacity for each color and weight combination.

• Iterate through the stones and colors to update the array with the minimum unused capacity.

• Return the minimum unused capacity from the array a...read more
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Round duration - 24 hours
Round difficulty - Medium

Round duration - 25 minutes
Round difficulty - Easy

Q1. Tell me about your self
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Q2. What do you do before this job
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Q3. How you face Market competition as a fresher
Ans. 
As a fresher, I face market competition by focusing on my unique skills and strengths.
• I identify my unique selling points and highlight them in my resume and during interviews.

• I research the company and its competitors to understand their needs and how I can add value.

• I network with professionals in the industry to gain insights and build relationships.

• I continuously learn and improve my skills to stay competitive.

• For ...read more
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Q4. Which company smart phone you use and sell this phone to me
Ans. 
I use and recommend the iPhone for its sleek design, user-friendly interface, and advanced features.
• The iPhone has a premium look and feel, with a sleek and modern design.

• The user interface is intuitive and easy to navigate, making it accessible for all users.

• The iPhone offers advanced features such as facial recognition, high-quality camera, and seamless integration with other Apple products.

• The App Store offers a wid...read more
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Q5. Define your own Smart phone
Ans. 
My ideal smartphone is a sleek and powerful device that seamlessly integrates with my daily life.
• Large, high-resolution display for easy viewing and multitasking

• Fast and efficient processor for smooth performance

• Long-lasting battery life to keep up with my busy schedule

• Intuitive and user-friendly interface for easy navigation

• Advanced camera technology for capturing high-quality photos and videos

• Seamless integration wit...read more
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Q6. What about your academics
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Q7. What is your family background
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Round duration - 24 hours
Round difficulty - Easy

It was a hackathon we were given a problem statement and we had to solve that within 2 days. There were team of 4 people.

Q1. You had to build a chatbot. Can you describe the design process and the key considerations you took into account?
Ans. 
The design process for building a chatbot involves defining user goals, choosing a platform, designing conversation flow, implementing natural language processing, and testing for accuracy.
• Define user goals and objectives for the chatbot

• Choose a platform or framework for building the chatbot (e.g. Dialogflow, Microsoft Bot Framework)

• Design the conversation flow and user interactions

• Implement natural language processing...read more
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Round duration - 15 minutes
Round difficulty - Easy

HR round

I am read to test for round number one.

I also ready for this and this is so effective for me.

Difficult Coding question.

Q1. Architecture design
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Q2. Dont remember question
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Q3. Explained desig
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Coding test had two questions which we should solve using any of the programing language

Q1. Why do we use truncate in sql
Ans. 
Truncate is used in SQL to quickly delete all records from a table without logging individual row deletions.
• Truncate is faster than using DELETE statement as it does not log individual row deletions.

• Truncate resets the identity seed value of the table.

• Truncate cannot be rolled back and does not activate triggers.
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Q2. Memory management techniques in os.
Ans. 
Memory management techniques in operating systems involve allocation, deallocation, and optimization of memory usage.
• Memory partitioning: dividing memory into fixed-size or variable-size partitions for allocation to processes.

• Paging: dividing memory into fixed-size blocks and allocating them to processes as needed.

• Segmentation: dividing memory into logical segments based on program structure.

• Virtual memory: using disk ...read more
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Q1. Just gave description about the jd.
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