TOPS Technologies UI/UX Designer Interview Questions and Answers

Q1. Do you have any friends or relatives who went abroad for their education?
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Q2. Past Work Experience, etc. Basic stuffs.
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Q1. SQL queries , python pandas and numpy , power bi related questions
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Q1. Previous experience, skills and expertise
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Q1. What is latest technology you have worked on
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I have worked on React Native for mobile app development.
• Developed a mobile app for a client using React Native

• Used Redux for state management

• Integrated with Firebase for real-time database and authentication

• Implemented push notifications using Firebase Cloud Messaging
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Q1. Why you want to join us
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25 questions of quants and logical and 10 questions of coding, some were debugging some were coding

Q1. Discussion about my resume projects
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Q2. Return addition and subtraction of two numbers from the same function
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A function that returns the addition and subtraction of two numbers.
• Create a function that takes two numbers as input parameters.

• Inside the function, calculate the sum of the two numbers and store it in a variable.

• Calculate the difference of the two numbers and store it in another variable.

• Return an array of strings containing the sum and difference.
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Q3. Print leaf nodes of binary tree
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Print leaf nodes of binary tree
• Traverse the tree recursively

• If node is null, return

• If node is leaf node, print it

• Else, recursively traverse left and right subtrees
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Q4. What is the protocol used for communication over web pages
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HTTP is the protocol used for communication over web pages.
• HTTP stands for Hypertext Transfer Protocol

• It is the foundation of data communication on the World Wide Web

• HTTP uses a client-server model where the web browser acts as the client and sends requests to the web server

• The web server responds with the requested data in the form of HTML, images, videos, etc.
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Basic question of indiabix topics and 10 code questions

Q1. Resume based questions,coding questions,core subject questions
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Q2. What is indexing in dbms?
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Q3. Secondlargest element
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Find the second largest element in an array of integers efficiently.
• Iterate through the array while keeping track of the largest and second largest elements.

• Initialize two variables: largest and secondLargest to negative infinity.

• For each element, update largest if the current element is greater than largest.

• If the current element is less than largest but greater than secondLargest, update secondLargest.

• Example: For ar...read more
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Q4. Pascal triangle
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My name is amar reverse the string without using inbuilt method

Q1. What is nodejs and what is promise. What is closures
Ans. 
Node.js is a runtime environment for executing JavaScript code outside of a web browser. Promises are objects representing the eventual completion or failure of an asynchronous operation. Closures are functions that have access to their own scope, as well as the scope in which they were defined.
• Node.js is a runtime environment that allows you to run JavaScript on the server-side.

• Promises are used in asynchronous progra...read more
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So prepare good amout of aptitude , and try to solve at least 15 Questions

It was an Online coding test 2 questions were there. difficulty (Easy and Medium).

The third round was again an coding round but it was a pen and paper test , it was in offline mode they will tell you the center after you will complete 2nd round.
In pen and paper test there are 10 coding questions and from topics array , string , recursion , Bit manipulation , BST , Linked List. so you have to solve at least 6-7 questions.

Q1. Questions on HTML, CSS
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Q2. Permutations in string (Can you Backtracking approach). Always try to explain your approach
Ans. 
Generate all permutations of a string using a backtracking approach.
• Backtracking involves exploring all possible configurations and abandoning those that don't meet criteria.

• Start with an empty string and build permutations by adding one character at a time.

• Use a boolean array to track which characters are already included in the current permutation.

• Example: For the string 'abc', the permutations are 'abc', 'acb', 'bac...read more
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Q3. Explain your Project?
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Developed a web application for managing inventory and sales for a retail store.
• Used HTML, CSS, and JavaScript for front-end development.

• Implemented backend functionality using Node.js and MongoDB for database management.

• Incorporated user authentication and authorization features for secure access.

• Integrated payment gateway for online transactions.

• Utilized responsive design for mobile compatibility.
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Q1. Related to work experience and skills on Resume
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Q2. Formula to find midpoint and slope of a line
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Midpoint and slope formulas help determine key characteristics of a line in coordinate geometry.
• Midpoint formula: M = ((x1 + x2)/2, (y1 + y2)/2). Example: M = ((1 + 3)/2, (2 + 4)/2) = (2, 3).

• Slope formula: m = (y2 - y1) / (x2 - x1). Example: m = (4 - 2) / (3 - 1) = 1.

• Midpoint gives the center point between two coordinates.

• Slope indicates the steepness and direction of the line.
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