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ThumbStack Technologies Interview Questions and Answers
ThumbStack Technologies Interview Experiences
1 interview found
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
They shared figma design of web page and ask to react that figma design using reactJS
(5 Questions)
- Q1. What is react js?
- Ans.
React JS is a JavaScript library for building user interfaces.
Declarative: React makes it easy to create interactive UIs by breaking them into reusable components.
Virtual DOM: React uses a virtual DOM to improve performance by only updating the necessary parts of the actual DOM.
Component-based: React follows a component-based architecture where UI is divided into independent components.
One-way data flow: React follows ...
- Q2. What is JSX in react js?
- Ans.
JSX is a syntax extension for JavaScript used in React to write HTML-like code within JavaScript.
JSX allows developers to write HTML elements and components in a syntax similar to HTML.
JSX gets transpiled into JavaScript by tools like Babel before being rendered by the browser.
JSX expressions must have a single parent element to be rendered properly.
- Q3. What difficulties do you face during the assignment ?
- Ans.
Some difficulties faced during assignments include unclear requirements, tight deadlines, technical challenges, and communication issues.
Unclear requirements can lead to misunderstandings and delays in completing the assignment.
Tight deadlines may cause stress and pressure to deliver quality work in a short amount of time.
Technical challenges such as bugs, compatibility issues, or lack of resources can hinder progress.
...
- Q4. What are react hooks? Explain any 5 or explain hooks which you used in your assignment
- Ans.
React hooks are functions that let you use state and other React features without writing a class.
useState() - allows functional components to have local state
useEffect() - performs side effects in function components
useContext() - allows you to subscribe to React context without introducing nesting
useReducer() - an alternative to useState for more complex state logic
useMemo() - memoizes the result of a function
- Q5. What is HOC in react js?
- Ans.
HOC stands for Higher Order Component in React.js.
HOC is a pattern where a function takes a component and returns a new component with additional props or functionality.
It is used for code reusability, logic abstraction, and separating concerns.
Example: WithAuthentication HOC can add authentication logic to a component.
Interview Preparation Tips
- React.Js
- Javascript
- HTML
- CSS
Skills evaluated in this interview
Reactjs Developer Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
Senior Associate Interview Questions & Answers
Contizant Technologies
Anonymous
posted on 28 Oct 2022
I applied via Recruitment Consulltant and was interviewed before Oct 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Normal introduction was asked
- Q2. Description of the previous role
- Q3. Roles and responsibilities
Not applicable , this was final round
Interview Preparation Tips
(1 Question)
- Q1. Tell me about yourself
Senior Associate Interview Questions & Answers
Contizant Technologies
Anonymous
posted on 12 Feb 2024
Selected
I applied via Walk-in and was interviewed in Jan 2024. There were 4 interview rounds.
They given some topic on gd
They gave some gd questions
(1 Question)
- Q1. Asking some technical questions
(3 Questions)
- Q1. Asking person data qnd techicql questions also
- Q2. Personal data of school and other things
- Q3. Some techinql questions on before worked Project
I applied via Referral and was interviewed in Feb 2020. There were 6 interview rounds.
Interview Questionnaire
1 Question
- Q1. I am not allowed to reveal
Interview Preparation Tips
Some tips for software engineer interview
1. Please prepare to do competitive programming like use leetcode algoexpert hacker rank
2. Some of the important areas are string problems dynamic programming stack based and tree based
3. There can be design round and interesting questions may be encountered
Harit Sharma
Good level question. I have qualified for the next round
Basic to intermediate question, Cleared the test
(1 Question)
- Q1. Tell me about yourself and introduce yourself
Interview Preparation Tips
Software Developer Interview Questions & Answers
Accucia Softwares Private Limited
Anonymous
posted on 22 Jul 2024
Selected
I applied via Walk-in and was interviewed before Jul 2023. There were 4 interview rounds.
Coding test duration is 30 to 40 min
on paper pen and topic is simple like related to string,pattern and number's
(2 Questions)
- Q1. Introduction about yourself
- Q2. Salary expectation
(2 Questions)
- Q1. Related to the basic of html css and js
- Q2. Ask run time short code and explanation
(2 Questions)
- Q1. About yourself and other
- Q2. All about company your expectation and salary disscuced
Interview Preparation Tips
Software Developer Interview Questions & Answers
Accucia Softwares Private Limited
Anonymous
posted on 6 Dec 2024
Selected
I applied via Referral and was interviewed before Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. Introduced Yourself
- Q2. About knowledge in Software Development
Interview Preparation Tips
Interview Questionnaire
8 Questions
- Q1. Implement queue with the help of two stacks
- Ans.
Queue can be implemented using two stacks by maintaining the order of elements in the stacks.
Create two stacks, let's call them stack1 and stack2
When an element is enqueued, push it to stack1
When an element is dequeued, pop all elements from stack1 and push them to stack2
Pop the top element from stack2 and return it as the dequeued element
If stack2 is empty, repeat step 3
To get the front element of the queue, peek the
- Q2. Iven a table “student” of with columns Name and Marks. You have to write a SQL query to get the 2nd highest marks from the table. Also write a query to find the nth highest marks, where n can be any number
- Q3. What is left join. Give example. And Full outer join?
- Ans.
Left join returns all records from left table and matching records from right table. Full outer join returns all records from both tables.
Left join is used to combine two tables based on a common column.
In left join, all records from the left table are returned along with matching records from the right table.
If there is no match in the right table, NULL values are returned.
Example: SELECT * FROM table1 LEFT JOIN table...
- Q4. What is magic functions and autoloading in PHP?
- Ans.
Magic functions are special methods in PHP that start with __. Autoloading is a way to automatically load classes.
Magic functions are used to handle certain events in PHP, such as object creation or property access.
Autoloading allows PHP to automatically load classes when they are needed, without requiring manual includes.
Magic functions can be used in conjunction with autoloading to dynamically load classes or handle
- Q5. Given three arrays sorted in non-decreasing order, print all common elements in these arrays. Examples: ar1[] = {1, 5, 10, 20, 40, 80} ar2[] = {6, 7, 20, 80, 100} ar3[] = {3, 4, 15, 20, 30, 70, 80, 120} Ou...
- Ans.
Given three sorted arrays, find common elements.
Create three pointers to traverse each array
Compare the elements at the pointers and move the pointer of the smallest element
If all pointers point to the same element, add it to the result and move all pointers
Repeat until any pointer reaches the end of its array
- Q6. A puzzle. You will be given with a 3 Litre container & a 7 Litre Container. Measure exactly 5 Litres of water
- Q7. Asked about one of my projects I mentioned in my resume?
- Q8. Find if a number is a power of 2 or not?
- Ans.
Check if a number is a power of 2 or not.
A power of 2 has only one bit set in its binary representation.
Use bitwise AND operator to check if the number is a power of 2.
If n is a power of 2, then n & (n-1) will be 0.
Interview Preparation Tips
College Name: na
Motivation: Overall it was a very good experience. They test you from every aspect. In the End I would like to say that Practo is one of the best companies to work for.
Skills evaluated in this interview
Agam Mahajan
Interview Preparation Tips
Experience: There was Pool Campus Placement of 4 Colleges together(NIT Jalandhar,NIT Hamirpur ,Candigarh University and CGC Landran ) at Chandigarh University.Written test was taken on Hacker Rank. There were 5 Coding Questions of Linklist , Dynamic Programming,Priority Queues etc .
You didn't have to do All the questions (3 can get you to the next round).
One thing that need to be beware of is that on Hacker Rank Your Draft is Saved every second(or so). So don't copy from the internet and just paste there(they will get to know).
Tips: Make sure you practice lot of Algorithms.
Duration: 120 minutes
Total Questions: 5
Round: Problem Statement
Experience: Only 8 Students were selected for this round
20 mins were given for it
and afterwards each student had personal discussion(10 mins) with them to explain their schema .
3-4 Questions were also asked related to your schema and how to perform a particular query
Tips: You should Be Through with DBMS
Make sure there is no redundant table and Primary keys are marked
Round: Technical Interview
Experience: 2 were selected for the Interview
Firstly they make you very Comfortable and ask how were the previous Rounds.
Then they asked about the two questions of First Round and my approach
Then couple of questions on The design that was made Earlier.
Then there were questions on How Internet Works ,gcc,Linux,git,sql.
Then the Interviewer asked if I have any question
I asked about (as the work on doctor's app) how they know the credibility of a doctor which is enlisted in their app.
Interviewer was really Impressed by the question and told me all about it with all details.
Both were selected
Tips: Be cool in the Interview
Think Loudly and Interact with them well.
If they want you to ask any question ,it should not be related to technical stuff ,it should be related to the company
College Name: NIT JALANDHAR
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