Cera-chem Front Office Executive Interview Questions and Answers

Q1. What is the react
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They have their own platform

Take home assignment

Q1. Live coding round of CRUD based small app.
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Q1. More on HTML, CSS, JS
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Q1. Promises, async/await, settimeout etc.
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Q1. Basic interview questions only
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Q2. Basic coding questions only
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Q3. Besic Oops interview questions
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Q4. Basic data type questions
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Q5. Basic string coding question
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Q1. What are React lifecycle Method
Ans. 
React lifecycle methods are functions that are called at different stages of a component's life.
• Mounting: constructor(), render(), componentDidMount()

• Updating: render(), componentDidUpdate()

• Unmounting: componentWillUnmount()

• Error Handling: componentDidCatch()
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Q2. How would you optimize the api call on input change(Debouncing)
Ans. 
Debounce the API call on input change to optimize performance.
• Implement a debounce function to delay the API call until the user has finished typing.

• Set a time interval for the debounce function to wait before making the API call.

• Cancel the previous API call if a new input change occurs before the time interval is up.

• Use a loading spinner to indicate to the user that the API call is in progress.

• Consider using a caching...read more
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Q3. A code where I have to apply memoize
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Q4. Tell me about yourself
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Q5. What is usememo hook
Ans. 
useMemo is a hook in React that memoizes the result of a function and returns the cached value when the inputs don't change.
• useMemo is used to optimize performance by avoiding unnecessary re-renders.

• It takes two arguments: a function that returns a value and an array of dependencies.

• If any of the dependencies change, the function is re-executed and the new value is cached.

• Example: useMemo(() => expensiveFunction(a, b),...read more
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Given the task to complete page design.

Questions for dbms,os

Q1. How was your day today
Ans. 
My day was productive and busy, with a lot of coding and problem-solving.
• Completed a new feature for the website

• Fixed a bug in the existing codebase

• Attended a team meeting to discuss project updates
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Q2. Where do you see in 5 yrs
Ans. 
In 5 years, I see myself as a senior front end developer leading a team and working on cutting-edge technologies.
• Leading a team of developers on various projects

• Working on advanced technologies like AR/VR, AI, and machine learning

• Contributing to open source projects and attending tech conferences

• Continuing to learn and grow in the field of front end development
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I was asked 60 question with various snppits or problems to be solved within a time frame of 1 hour

3 dsa 2 medium 1 hard

To create a project in which i was asked to simply create a exact same page as given in design