Perennial Systems Senior Associate Interview Questions and Answers

What is performance testing?

Q1. About load runner
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Prepare DSA and one language well.

General aptitude and logic questions.

Q1. What is your long term goal in field of AI/ML?
Ans. 
My long term goal in the field of AI/ML is to develop innovative solutions that can positively impact society and improve people's lives.
• Continuously learning and staying updated with the latest advancements in AI/ML technologies

• Collaborating with experts in the field to work on cutting-edge projects

• Applying AI/ML techniques to solve complex real-world problems

• Contributing to research and publications in the field of A
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Q2. Tell me about your previous experiences in this field?
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In apti test,there where 31 que some que carries negative marks , marks will be alloted accoring to that que .

I consist of 3 que if you clear one que you will be shortlisted

Q1. Difference between c and c++?
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, while C++ is a combination of procedural and object-oriented programming.

• C does not support classes and objects, while C++ does.

• C is a subset of C++, meaning C++ includes all of C's features and more.

• C++ has features like function overloading, templates, and exception handling which are no...read more
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Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
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Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
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Level of difficulty - Hard and very strong understanding in python required to clear this round.

Basically it consists of three questions - easy and 2 medium level questions. DSA concepts is required to clear this round.

Aptitude is fully based upon technical mcqs, code snippets. Only one or two aptitudes are from general topics.
Negative marking is also there for certain questions.

Coding was Little bit tough. You will be given 3 qns.

Round 1: Round 1 was an MCQ exam. The time allotted was 45 minutes and 30 questions had to be answered. There was negative marking for wrong answers(-1)

This was a programming round. We were given 4 questions that had to be solved in 1 hour. The coding questions were-

Matrix multiplication
Program to write linear convolution
A question based on graphs
Another question on the 2D array.