DCB Bank Intern (any Position as PER the Requirement) Interview Questions and Answers

In my first round of the interview was an aptitude test. Some English, mathematics, reasoning and general knowledge questions were there.

In this 2nd round there was some English Multiple Choice Questions.

Q1. This round was my final round. Here I got some technical questions and situation Based questions and some reasoning questions also.
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Q2. What is the difference between React and JavaScript? ES6 features questions. What is React JS? What is Redux in React? Etc...
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Q3. What is Components in React?
Ans. 
Components in React are reusable, independent pieces of code that manage their own state and can be composed together to build complex user interfaces.
• Components are the building blocks of React applications

• They can be class components or functional components

• Components can have their own state and lifecycle methods

• Components can be reused throughout the application

• Example:

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Q4. Is functional components and class components both are same or not?
Ans. 
Functional components and class components are not the same in React. Functional components are simpler and more lightweight, while class components have additional features like state and lifecycle methods.
• Functional components are stateless and are just JavaScript functions that return JSX.

• Class components have access to state and lifecycle methods like componentDidMount and componentDidUpdate.

• Functional components a...read more
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Q5. Why React is reusable?
Ans. 
React is reusable because it allows developers to create components that can be easily reused throughout an application.
• React components can be easily reused in different parts of an application, saving time and effort.

• Components can be composed together to build complex UIs, promoting reusability.

• React's virtual DOM efficiently updates only the components that have changed, improving performance and reusability.
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React js, mcq, and basic js program like prime factor, unsort array

Q1. 1. How to Unsort array
Ans. 
To unsort an array, you can shuffle its elements randomly.
• Use a random number generator to generate random indices within the array length.

• Swap the elements at the randomly generated indices.

• Repeat the swapping process for a sufficient number of times to achieve randomness.
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Q2. Write a code Prime factor
Ans. 
Prime factor code finds the prime factors of a given number.
• Start with the smallest prime factor, 2.

• Divide the number by the prime factor until it is no longer divisible.

• Move on to the next prime factor until the number is reduced to 1.

• Return the list of prime factors.
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