Gramener Translation Associate Interview Questions and Answers

Q1. What is overfitting in machine learning?
Ans. 
Overfitting occurs when a machine learning model learns the training data too well, including noise and outliers, leading to poor generalization on new data.
• Overfitting happens when a model is too complex and captures noise in the training data.

• It leads to poor performance on unseen data as the model fails to generalize well.

• Techniques to prevent overfitting include cross-validation, regularization, and early stopping.

• ...read more
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Q2. Overfitting accurs when a model learns the details.......etc
Ans. 
Overfitting occurs when a model learns the details and noise in the training data to the extent that it negatively impacts the model's performance on new data.
• Overfitting happens when a model is too complex and captures noise in the training data.

• It leads to poor generalization and high accuracy on training data but low accuracy on new data.

• Techniques to prevent overfitting include cross-validation, regularization, and...read more
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25 MCQ questions online with time limit

Create webapp . Frontend, Backend , data encryption

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions on DSA and DBMS mainly.

Q1. 
Maximum Sum Subarray Problem Statement
Given an array ARR consisting of N integers, determine the sum of the subarray with the maximum sum, including the possibility of an empty subarray.
A subarray is a...read more
Ans. 
Find the sum of the subarray with the maximum sum in a given array.
• Iterate through the array and keep track of the current sum and maximum sum.

• Update the maximum sum if the current sum becomes greater.

• Handle cases where the array has all negative numbers or empty subarray.

• Example: For input [-2, 1, -3, 4, -1], the maximum sum subarray is [4] with sum 4.
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Q2. 
Prime Numbers Identification
Given a positive integer N, your task is to identify all prime numbers less than or equal to N.
Explanation:
A prime number is a natural number greater than 1 that has no po...read more
Ans. 
Identify all prime numbers less than or equal to a given positive integer N.
• Iterate from 2 to N and check if each number is prime

• Use the Sieve of Eratosthenes algorithm for efficient prime number identification

• Optimize by only checking numbers up to square root of N for divisibility
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Q3. What are Joins in the context of databases?
Ans. 
Joins in databases are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right ta...read more
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Hackerrank Test

Q1. Questions related to NodeJS and Javascript Basics
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Q1. Technical questions based on past experience
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Q1. Company Culture related
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Q1. Expectations and Processes
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1st test was aptitude and a easy coding test

The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question

Q1. Round 3 was technical interview and asked from basics of computer programming and architecture
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Q1. What is your family background?
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Q2. Why are you looking for a change?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q1. Tell me about yourself
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Q1. What motivates you to join Zidio Development as opposed to other companies?
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Q2. How will your experience with Zidio development contribute to your career growth?
Ans. 
My experience with Zidio development will enhance my technical skills, teamwork, and problem-solving abilities, crucial for my career growth.
• Developed proficiency in programming languages like Java and Python, which are essential for software development roles.

• Collaborated with a diverse team, improving my communication skills and ability to work in a team-oriented environment.

• Gained hands-on experience with agile meth...read more
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