Rigved Technologies Interview Questions and Answers

Q1. What is promise
Ans. 
A promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used in JavaScript to handle asynchronous operations.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and failure callbacks.

• Example: Fetching data from an API returns a promise that resolves with the data or rejects with an error.
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Q2. What is hoisting
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.
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Q1. What is event loop
Ans. 
Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
• Event loop is commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.

• It allows for non-blocking I/O operations, ensuring that the program can continue running while waiting for I/O operations to complete.

• Event loop works by contin...read more
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Personal information, qualification,working or not

Q1. Job related questions
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Q2. Salary discussion and job description
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Q3. Role of the working and project discussion
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Q1. Criteria for staying in organisation
Ans. 
The criteria for staying in an organization as an IT System Administrator
• Demonstrating technical expertise and staying up-to-date with industry trends

• Being a team player and collaborating effectively with colleagues

• Showing strong problem-solving and troubleshooting skills

• Being adaptable and able to handle changing priorities and deadlines

• Having good communication and interpersonal skills

• Being proactive and taking initi...read more
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Q2. Stay away don't screw yourself
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Logical and English and pl/sql question

Q1. Basic genral question
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Q1. Example of database , why y switch career
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