Thinkitive Technologies Software Trainee Interview Questions and Answers

Two sections numerical and English consist of 200 questions in each in just 30 mins time each and difficulty is dead easy

Interviewer asked me to print this
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I have shown it to him but in return he asked me to print that if I give 5 as user input .He didn't give full clarity before starting the code .....worst experience

Test on js in googleform very simple i can attempt in just 10 min

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Q1. Palindrome code should design
Ans. 
Palindrome code should be designed to check if a given string is the same forwards and backwards.
• Create a function that takes a string as input

• Remove any spaces and punctuation from the string

• Reverse the string and compare it to the original string to check if it is a palindrome
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Q2. Regarding sql topics like joins and acid
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Q3. Project explain and domain
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Q4. Project explain and domain and internal working
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Q5. Oops concepts and coding
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Q1. Rate yourself in js, node js, react, MongoDB (separately)
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Q2. Typeof null, typeof undefined, typeof {}, typeof NaN
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Q3. What changes came in es6
Ans. 
ES6 introduced several new features and improvements to JavaScript, making it more powerful and efficient.
• Arrow functions for more concise syntax

• Let and const for block-scoped variables

• Classes for easier object-oriented programming

• Template literals for easier string interpolation

• Default parameters and rest parameters for function arguments

• Destructuring assignment for easier data extraction

• Promises for asynchronous prog
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Q4. This keyword, closures, hoisting
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Q5. Are let and cont variables hoisted?
Ans. 
Yes, let and const variables are hoisted but not initialized.
• let and const variables are hoisted to the top of their block scope, but they are not initialized until the actual line of code is executed.

• This means that you cannot access a let or const variable before it is declared in the code.

• For example, trying to access a let variable before it is declared will result in a ReferenceError.
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Q6. What is global context
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Global context refers to the overall environment or setting in which something exists or operates.
• Global context encompasses all variables, functions, and objects that are accessible throughout an entire program.

• It can be thought of as the 'big picture' view of a program's execution.

• In web development, global context includes the window object in JavaScript.
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Q7. What is temporal deadzone
Ans. 
Temporal dead zone is a period during the variable creation process where accessing the variable results in a ReferenceError.
• Occurs when trying to access a variable before it has been declared with let or const

• Happens due to the variable being in the temporal dead zone until it is declared

• Example: accessing a variable before its declaration will result in a ReferenceError
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Q8. What is modules? types of modules in nodejs
Ans. 
Modules in Node.js are reusable blocks of code that encapsulate related functionality.
• Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.

• Modules help in organizing code into separate files for better maintainability and reusability.

• Modules can be imported using the require() function in Node.js.
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Q9. Index in mongodb, why we need index, is index good or bad?
Ans. 
Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
• Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.

• Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.

• Indexes can be created on single fields or compound fields to ...read more
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Q10. What are hooks , use of useRef
Ans. 
Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
• Hooks are used to add state and lifecycle methods to functional components in React

• useRef is used to create a mutable reference that persists between renders

• useRef can be used to access DOM elements directl
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Q11. Fs module, http module, worker thread?
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Q12. Why we use mongoose not mongodb driver?
Ans. 
Mongoose is an Object Data Modeling (ODM) library for MongoDB that provides a higher level of abstraction and simplifies interactions with the database.
• Mongoose provides schema validation which helps maintain data integrity.

• Mongoose simplifies querying and data manipulation with built-in functions.

• Mongoose supports middleware functions for pre and post processing of data operations.
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Q1. Diff btw vite and webpack
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Q2. What is currying in js
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Q1. What is currying in javascript?
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Q2. Diff btw webpack and vite
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Basically It is a list of 25 questions having mix of Resoning,Aptitude &English. Each Queztion carries 2 marks and also there was a plus point that it doesn't have any negative marks

Q1. Basically it is about the Technical Subjects that U mention eariler in your coresponding CV's. Whatever Subject you meantioned their gonna answer about it for tge questions regarding to that subject
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Q1. Brief Description about Youself
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Q2. What is your goal in Life
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Q3. What do you know about tgis job Profile
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Q4. Why should we hire you instead of all achoknowledgable freshers sitting behind for this job role ?
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Q5. What are ur hobbies and strengths and weeknesses
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Q6. Why you want to do this job role
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Q7. Why you want to join us instead of other good companies.
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Q8. How you balance yourself in a fatal situation
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Q9. If you alredy working under a company but want to switch it then the questions will remain same but just add some 2 to 3 extra questions like i am meantioning it down👇
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Q10. What was ur job profile
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Q11. How do u know about our company
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Q12. Did u Resign by ur own or The comapny Resign you ??
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Q13. What was ur salary their
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Q14. Incase u alredy have an experience in a better company then interviewer ask this -* why joing us instead u have an magnificent well role on your comapny*
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The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
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Q1. What is the difference between== and === in javascript?
Ans. 
In JavaScript, == is used for loose equality comparison, while === is used for strict equality comparison.
• == checks for equality after type coercion, while === checks for equality without type coercion

• === is more strict and recommended for use to avoid unexpected behavior

• Example: 1 == '1' will return true, but 1 === '1' will return false
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Q2. == refers to only value comparison and === refers to both data type and value comparison
Ans. 
True. == compares only values, while === compares both values and data types.
• == is used for value comparison, while === is used for both value and data type comparison

• Example: 5 == '5' will return true, but 5 === '5' will return false

• Example: 5 === 5 will return true, as both value and data type are the same
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5 technical questions were asked out of which 3 tests are to be cleared

Q1. What is NVM?
Ans. 
NVM stands for Node Version Manager, a tool used to manage multiple versions of Node.js on a single machine.
• NVM allows developers to easily switch between different versions of Node.js for different projects.

• It helps in avoiding conflicts between different projects that require different versions of Node.js.

• NVM is commonly used in development environments where different projects have different Node.js version requirem
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Q2. Node version Manager where we can handle higher node js version in a lower node js version
Ans. 
Node Version Manager (NVM) allows managing multiple Node.js versions on the same machine.
• NVM allows you to easily switch between different Node.js versions on your machine.

• It helps in handling higher Node.js versions in a lower Node.js version environment.

• You can install, uninstall, and switch between Node.js versions using NVM.

• Example: 'nvm install 12.18.3' to install a specific Node.js version.
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