Ripplr Interview Questions and Answers

Q1. What is virtual DOM?
Ans. 
Virtual DOM is a lightweight copy of the actual DOM that helps in efficient rendering of web pages.
• Virtual DOM is a concept used in ReactJS.

• It is a lightweight copy of the actual DOM.

• It helps in efficient rendering of web pages by minimizing the number of updates to the actual DOM.

• When there is a change in the state of a component, the virtual DOM is updated instead of the actual DOM.

• The virtual DOM then calculates the...read more
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Q2. Diff b/w props and redux state
Ans. 
Props are used to pass data from parent to child components, while Redux state is a global state management system.
• Props are read-only and cannot be modified by the child component.

• Redux state can be modified using actions and reducers.

• Props are passed down the component tree, while Redux state is accessible from any component.

• Props are used for small-scale data sharing, while Redux is used for larger-scale state manag...read more
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Q3. Is javascript synchronous and why?
Ans. 
JavaScript is synchronous because it executes code line by line and waits for each line to finish before moving on.
• JavaScript is single-threaded, meaning it can only execute one task at a time.

• Code is executed in the order it appears in the program.

• If a line of code takes a long time to execute, it can block other code from running.

• Asynchronous programming can be used to avoid blocking code and improve performance.
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Q4. Diff b/w useMemo and useCallBack
Ans. 
useMemo is used to memoize a value, while useCallback is used to memoize a function.
• useMemo is used to optimize expensive calculations by caching the result

• useCallback is used to optimize expensive function creation by caching the function instance

• useMemo returns a memoized value, while useCallback returns a memoized function

• useMemo is used for any value that can be computed, while useCallback is used for functions tha...read more
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Create a Project to list detail from API and trigger server-side while paginating

Q1. Tell about yourself, Enquire about previous employment and package
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Q1. What a operations management
Ans. 
Operations management involves overseeing and optimizing business processes to ensure efficiency and effectiveness.
• Involves planning, organizing, and controlling resources to achieve organizational goals

• Focuses on improving processes, reducing costs, and increasing productivity

• Includes areas such as supply chain management, quality control, and inventory management

• Examples: scheduling production, managing inventory lev...read more
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Q2. How to progress my company
Ans. 
To progress your company, focus on innovation, efficiency, and customer satisfaction.
• Invest in research and development to stay ahead of competitors

• Streamline operations to reduce costs and improve productivity

• Listen to customer feedback and make improvements based on their needs

• Develop a strong company culture to attract and retain top talent
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Q3. If any vehicle break down how can do
Ans. 
Call for roadside assistance, assess the situation, and ensure the safety of passengers.
• Call for roadside assistance or a tow truck

• Assess the situation and location of the breakdown

• Ensure the safety of passengers by moving them to a safe location

• Communicate with passengers about the situation and estimated time for help to arrive
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Q4. How make to proper entries and mis
Ans. 
Proper entries and management information systems (MIS) ensure accurate data handling and decision-making in operations.
• Understand the data requirements: Identify what data is necessary for operations.

• Use standardized formats: Ensure consistency in data entry to avoid errors.

• Implement checks and balances: Regular audits can help catch discrepancies early.

• Utilize software tools: Leverage MIS software for efficient data ...read more
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Q5. What a operation executive responsibility
Ans. 
Operation executives are responsible for overseeing and managing the daily operations of a company.
• Developing and implementing operational policies and procedures

• Monitoring and analyzing operational performance

• Managing resources and budgets effectively

• Ensuring compliance with regulations and standards

• Leading and motivating a team of employees

• Identifying areas for improvement and implementing solutions
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Q1. About Handling team
Ans. 
Effective team handling involves clear communication, trust-building, and conflict resolution to achieve common goals.
• Establish clear roles and responsibilities to avoid confusion. For example, assign specific tasks based on team members' strengths.

• Encourage open communication by holding regular check-ins and feedback sessions, fostering a culture of transparency.

• Build trust through team-building activities, such as re...read more
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Q2. About previous experiences in depth
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Q1. No specific questions, just timepassers run this company
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Q2. Joined this company and spoilt my career
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Q1. Basic questions were asked
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Q2. Basic answers needed
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