Wings Infonet Interview Questions and Answers

Q1. Can you tell me about yourself?
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Q2. Why should we hire you?
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I have a strong technical background, a passion for problem-solving, and a proven track record of delivering high-quality software solutions.
• Extensive experience in software development, including proficiency in multiple programming languages such as Java, Python, and JavaScript.

• Strong problem-solving skills and ability to think critically to find innovative solutions to complex technical challenges.

• Proven track record...read more
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Q1. Find a point is inside a circle or not?
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To determine if a point is inside a circle, calculate the distance between the point and the center of the circle and compare it to the radius.
• Calculate the distance between the point and the center of the circle using the distance formula: sqrt((x2-x1)^2 + (y2-y1)^2)

• Compare the calculated distance to the radius of the circle. If the distance is less than the radius, the point is inside the circle.

• For example, if the c...read more
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Q1. Find the ratio of the radius of the inscribed and circumscribed circles of a square of side length a.
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Ratio of radius of inscribed and circumscribed circles of a square of side length a.
• The radius of the inscribed circle is half the length of the side of the square.

• The radius of the circumscribed circle is half the diagonal of the square.

• Ratio of radius of inscribed and circumscribed circles is 1:2.
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Q2. Find the coordinates of a point p1 with the distance of it from point p2 and the coordinates p2 and p3, given that all three points are collinear.
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To find the coordinates of point p1, use the distance formula and the collinearity of the three points.
• Use the distance formula to find the distance between p1 and p2.

• Use the slope formula to find the slope of the line passing through p2 and p3.

• Use the slope and distance to find the equation of the line passing through p2 and p3.

• Use the equation of the line and the coordinates of p2 to find the coordinates of p1.
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Q3. With the coordinates of the four points p1, p2, p3, and p4, where p1, p2, and p3 lie on a circle, find whether p4 lies inside or outside of the circle.
Ans. 
To determine if p4 lies inside or outside the circle with p1, p2, and p3 coordinates.
• Calculate the equation of the circle using p1, p2, and p3 coordinates.

• Check the distance between p4 and the center of the circle.

• If the distance is less than the radius of the circle, p4 lies inside the circle, otherwise outside.
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Q1. It was quite easy for me asked me about my roles and responsibilities basics question on testing and gave some scenarios how to deal with it.
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Q2. - stubbing - HSIT - unit testing
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Q1. - Salary discussion, why you want to join, strength and weekness
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Arithmetic, verbal, and verbal skills.

Please write a code for generating the Fibonacci sequence.

Q1. What are the key features and concepts of the C programming language?
Ans. 
C is a powerful and efficient programming language known for its low-level features and flexibility.
• Key features include: low-level memory access, efficient manipulation of pointers, strong support for procedural programming, and a rich library of built-in functions.

• Concepts include: data types, control structures (such as loops and conditionals), functions, arrays, and pointers.

• Example: In C, you can directly access a...read more
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Q2. What is an array
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An array is a data structure that stores a collection of elements of the same type in a contiguous memory location.
• Arrays have a fixed size determined at the time of declaration.

• Elements in an array are accessed using an index starting from 0.

• Example: string[] names = {"Alice", "Bob", "Charlie"};
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Q1. When would you be able to join?
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I can start within 2 weeks of receiving an offer.
• I can start within 2 weeks of receiving an offer.

• I need to give notice to my current employer.

• I may need time to relocate if necessary.
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Q1. Storage types, structures, padding
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Q2. Bit operations in C language
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Bit operations in C language involve manipulating individual bits within a data structure.
• Bitwise AND (&) - sets a bit to 1 only if both input bits are 1

• Bitwise OR (|) - sets a bit to 1 if either input bit is 1

• Bitwise XOR (^) - sets a bit to 1 if the input bits are different

• Bitwise NOT (~) - inverts all bits in a number

• Left shift (<<) - shifts bits to the left by a specified number of positions

• Right shift (>>) - shifts
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Q1. Resume based questions
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Q2. Event loop in nodejs
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Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute
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Q3. Javascript es6 questions
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Q1. Promises in javascript
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Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

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

• Promises can be chained using .then() to handle success and .catch() to handle errors.
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