Green Apex Technolabs Interview Questions and Answers

Q1. Storage types, structures, padding
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Q2. Bit operations in C language
Ans. 
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. 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?
Ans. 
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. Find the ratio of the radius of the inscribed and circumscribed circles of a square of side length a.
Ans. 
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.
Ans. 
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. Find a point is inside a circle or not?
Ans. 
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. Can you tell me about yourself?
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Q2. Why should we hire you?
Ans. 
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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Good communication skills

Understanding topics

Q1. Why you are good fit the job?
Ans. 
I have a strong background in data analysis, with experience in utilizing various tools and techniques to derive insights from data.
• Extensive experience in data analysis

• Proficient in using tools like SQL, Python, and Tableau

• Strong problem-solving skills

• Ability to communicate complex findings to non-technical stakeholders
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Q2. What is the salary expectation?
Ans. 
Salary expectations are based on experience, skills, location, and industry standards.
• Consider factors like your experience, skills, education, location, and the industry norms when determining your salary expectation.

• Research the average salary range for Data Analysts in your area and industry to have a realistic expectation.

• Be prepared to negotiate based on the job responsibilities and benefits offered by the employe
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